Index: Core/Gui/src/Core.Gui/Core.Gui.csproj
===================================================================
diff -u -rcf6a8a632e8f790a5bf3f25ab54d80ca0c91bc74 -r90e6ceb054e3c6826246e33aa9fe19f7aeedc444
--- Core/Gui/src/Core.Gui/Core.Gui.csproj	(.../Core.Gui.csproj)	(revision cf6a8a632e8f790a5bf3f25ab54d80ca0c91bc74)
+++ Core/Gui/src/Core.Gui/Core.Gui.csproj	(.../Core.Gui.csproj)	(revision 90e6ceb054e3c6826246e33aa9fe19f7aeedc444)
@@ -45,15 +45,11 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
-    <Page Include="Forms\MainWindow\StartScreen.xaml">
-      <Generator>MSBuild:Compile</Generator>
-      <SubType>Designer</SubType>
-    </Page>
     <Page Include="Forms\MainWindow\MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
-    <Page Include="Forms\SplashScreen\SplashScreen.xaml">
+    <Page Include="Forms\StartScreen\StartScreen.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
Fisheye: Tag 90e6ceb054e3c6826246e33aa9fe19f7aeedc444 refers to a dead (removed) revision in file `Core/Gui/src/Core.Gui/Forms/MainWindow/StartScreen.xaml'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag 90e6ceb054e3c6826246e33aa9fe19f7aeedc444 refers to a dead (removed) revision in file `Core/Gui/src/Core.Gui/Forms/MainWindow/StartScreen.xaml.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag 90e6ceb054e3c6826246e33aa9fe19f7aeedc444 refers to a dead (removed) revision in file `Core/Gui/src/Core.Gui/Forms/MainWindow/StartScreenViewModel.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag 90e6ceb054e3c6826246e33aa9fe19f7aeedc444 refers to a dead (removed) revision in file `Core/Gui/src/Core.Gui/Forms/SplashScreen/SplashScreen.xaml'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag 90e6ceb054e3c6826246e33aa9fe19f7aeedc444 refers to a dead (removed) revision in file `Core/Gui/src/Core.Gui/Forms/SplashScreen/SplashScreen.xaml.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreen.xaml
===================================================================
diff -u
--- Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreen.xaml	(revision 0)
+++ Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreen.xaml	(revision 90e6ceb054e3c6826246e33aa9fe19f7aeedc444)
@@ -0,0 +1,171 @@
+<!--
+Copyright (C) Stichting Deltares 2021. All rights reserved.
+
+This file is part of Riskeer.
+
+Riskeer is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+All names, logos, and references to "Deltares" are registered trademarks of
+Stichting Deltares and remain full property of Stichting Deltares at all times.
+All rights reserved.
+-->
+<metro:MetroWindow x:Class="Core.Gui.Forms.StartScreen.StartScreen" 
+                   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
+                   xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+                   xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+                   xmlns:metro="http://metro.mahapps.com/winfx/xaml/controls"
+                   xmlns:properties="clr-namespace:Core.Gui.Properties"
+                   xmlns:startScreen="clr-namespace:Core.Gui.Forms.StartScreen"
+                   mc:Ignorable="d"
+                   MinWidth="1366"
+                   MinHeight="768"
+                   Width="1366"
+                   Height="768"
+                   d:DataContext="{d:DesignInstance IsDesignTimeCreatable=False, Type={x:Type startScreen:StartScreenViewModel}}">
+
+    <metro:MetroWindow.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="pack://application:,,,/Core.Gui;component/Style/DeltaresStyle.xaml" /> 
+                <ResourceDictionary Source="pack://application:,,,/Core.Gui;component/Style/DeltaresBackstageStyle.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/Core.Gui;component/Style/Symbols/RiskeerSymbols.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+
+            <Style x:Key="BigButtonStyle" TargetType="{x:Type Button}">
+                <Setter Property="Margin" Value="0 0 4 4" />
+                <Setter Property="Width" Value="128" />
+                <Setter Property="Height" Value="128" />
+                <Setter Property="Foreground" Value="White" />
+                <Setter Property="BorderBrush" Value="{StaticResource StartScreenBigButtonMouseOverBrush}" />
+                <Setter Property="Background" Value="{StaticResource TransparentBrush}" />
+                <Setter Property="Template">
+                    <Setter.Value>
+                        <ControlTemplate TargetType="{x:Type Button}">
+                            <Border x:Name="Border" Background="{TemplateBinding Background}"
+                                    BorderThickness="1"
+                                    BorderBrush="{TemplateBinding BorderBrush}">
+                                <DockPanel Margin="8">
+                                    <TextBlock FontSize="13" DockPanel.Dock="Bottom" HorizontalAlignment="Center">
+                                        <ContentPresenter Content="{TemplateBinding Tag}" />
+                                    </TextBlock>
+                                    <ContentPresenter />
+                                </DockPanel>
+                            </Border>
+                            <ControlTemplate.Triggers>
+                                <Trigger Property="IsMouseOver" Value="True">
+                                    <Setter Property="Background"
+                                            Value="{StaticResource StartScreenBigButtonMouseOverBrush}" />
+                                </Trigger>
+                                <Trigger Property="IsPressed" Value="True">
+                                    <Setter Property="Background"
+                                            Value="{StaticResource StartScreenBigButtonMouseDownBrush}" />
+                                    <Setter Property="BorderBrush"
+                                            TargetName="Border"
+                                            Value="{StaticResource StartScreenBigButtonMouseDownBrush}" />
+                                </Trigger>
+                            </ControlTemplate.Triggers>
+                        </ControlTemplate>
+                    </Setter.Value>
+                </Setter>
+            </Style>
+            
+            <Style x:Key="RecentFileListBorder" TargetType="{x:Type ScrollViewer}">
+                <Setter Property="BorderThickness" Value="0 0 0 1" />
+                <Setter Property="BorderBrush" Value="White" />
+            </Style>
+            
+            <Style x:Key="StartScreenStyle" TargetType="{x:Type Grid}">
+                <Setter Property="Background" Value="{StaticResource DeltaresBlueBrush}" />
+                <Style.Triggers>
+                    <DataTrigger
+                        Binding="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type metro:MetroWindow}}, Path=IsActive}"
+                        Value="False">
+                        <Setter Property="Background"
+                                Value="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type metro:MetroWindow}}, Path=NonActiveBorderBrush}" />
+                    </DataTrigger>
+                </Style.Triggers>
+            </Style>
+            
+        </ResourceDictionary>
+    </metro:MetroWindow.Resources>
+
+    <Grid Style="{StaticResource StartScreenStyle}">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="Auto" />
+            <ColumnDefinition Width="*" />
+        </Grid.ColumnDefinitions>
+            
+         <Grid VerticalAlignment="Stretch">
+            <Border Padding="0 0 0 50">
+                <Border BorderThickness="0 0 1 0" Padding="25 0"
+                        BorderBrush="White">
+                    <Grid Width="500">
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="Auto" />
+                            <RowDefinition Height="Auto" />
+                            <RowDefinition Height="*" />
+                            <RowDefinition Height="Auto" />
+                        </Grid.RowDefinitions>
+                        <TextBlock Grid.Row="0" FontSize="35"
+                                   Foreground="{StaticResource WhiteBrush}"
+                                   Text="Riskeer" />
+                        
+                        <TextBlock Grid.Row="1" FontSize="28" Margin="0 16 0 8"
+                                   Foreground="{StaticResource WhiteBrush}"
+                                   Text="Recent" />
+                        <Grid Grid.Row="2">
+                            <ScrollViewer Style="{StaticResource RecentFileListBorder}"
+                                          VerticalScrollBarVisibility="Auto">
+                                <!-- <controls:RecentFileList -->
+                                <!--     DataContext="{Binding DataContext.RecentFiles, ElementName=StartScreenParent}" /> -->
+                            </ScrollViewer>
+                        </Grid>
+                        <Grid Grid.Row="3" Margin="0 8 0 0" VerticalAlignment="Top">
+                            <Button Padding="4 8" FontSize="16" Command="{Binding OpenProjectCommand}">Browse</Button>
+                            <!-- <controls:IconButton -->
+                            <!--     x:Name="BrowseButton" -->
+                            <!--     Padding="4 8" -->
+                            <!--     Foreground="White" -->
+                            <!--     IconSize="36" HeaderSize="16" -->
+                            <!--     Icon="&#xE90C;" Header="{x:Static p:Resources.BackstageTabItem_Header_Browse}" -->
+                            <!--     Command="{x:Static controls:RibbonCommands.Open}" /> -->
+                        </Grid>
+                    </Grid>
+                </Border>
+            </Border>
+        </Grid>
+
+        <Grid Height="Auto" Grid.Column="1">
+            <Border Padding="33,16">
+                <Grid>
+                    <DockPanel LastChildFill="False">
+                        <StackPanel VerticalAlignment="Top" Margin="8 20"
+                                    Orientation="Horizontal" DockPanel.Dock="Left">
+                            <Button Style="{StaticResource BigButtonStyle}"
+                                           Tag="{x:Static properties:Resources.StartScreen_NewProject_DisplayName}"
+                                           Command="{Binding NewProjectCommand}"
+                                           IsDefault="True">
+                                <TextBlock Text="&#xE90B;"
+                                           FontFamily="{StaticResource RiskeerFont}"
+                                           HorizontalAlignment="Center"
+                                           VerticalAlignment="Center" FontSize="56" />
+                            </Button>
+                        </StackPanel>
+                    </DockPanel>
+                </Grid>
+            </Border>
+        </Grid>
+    </Grid>
+</metro:MetroWindow>
\ No newline at end of file
Index: Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreen.xaml.cs
===================================================================
diff -u
--- Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreen.xaml.cs	(revision 0)
+++ Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreen.xaml.cs	(revision 90e6ceb054e3c6826246e33aa9fe19f7aeedc444)
@@ -0,0 +1,50 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using MahApps.Metro.Controls;
+
+namespace Core.Gui.Forms.StartScreen
+{
+    /// <summary>
+    /// Interaction logic for <see cref="StartScreen"/>.
+    /// </summary>
+    public partial class StartScreen : MetroWindow
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="StartScreen"/>.
+        /// </summary>
+        /// <param name="viewModel">The view model of the <see cref="StartScreen"/>.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="viewModel"/>
+        /// is <c>null</c>.</exception>
+        public StartScreen(StartScreenViewModel viewModel)
+        {
+            if (viewModel == null)
+            {
+                throw new ArgumentNullException(nameof(viewModel));
+            }
+
+            InitializeComponent();
+
+            DataContext = viewModel;
+        }
+    }
+}
\ No newline at end of file
Index: Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreenViewModel.cs
===================================================================
diff -u
--- Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreenViewModel.cs	(revision 0)
+++ Core/Gui/src/Core.Gui/Forms/StartScreen/StartScreenViewModel.cs	(revision 90e6ceb054e3c6826246e33aa9fe19f7aeedc444)
@@ -0,0 +1,65 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Windows.Input;
+using Core.Gui.Commands;
+
+namespace Core.Gui.Forms.StartScreen
+{
+    /// <summary>
+    /// ViewModel for <see cref="StartScreen"/>.
+    /// </summary>
+    public class StartScreenViewModel
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="StartScreenViewModel"/>.
+        /// </summary>
+        /// <param name="newProjectAction">The action to perform to create a new project.</param>
+        /// <param name="openProjectAction">The action to perform to open a project.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
+        public StartScreenViewModel(Action newProjectAction, Action openProjectAction)
+        {
+            if (newProjectAction == null)
+            {
+                throw new ArgumentNullException(nameof(newProjectAction));
+            }
+
+            if (openProjectAction == null)
+            {
+                throw new ArgumentNullException(nameof(openProjectAction));
+            }
+            
+            NewProjectCommand = new RelayCommand(o => newProjectAction());
+            OpenProjectCommand = new RelayCommand(o => openProjectAction());
+        }
+
+        /// <summary>
+        /// Gets the command to create a new project.
+        /// </summary>
+        public ICommand NewProjectCommand { get; }
+        
+        /// <summary>
+        /// Gets the command to open a project.
+        /// </summary>
+        public ICommand OpenProjectCommand { get; }
+    }
+}
\ No newline at end of file
Index: Core/Gui/src/Core.Gui/GuiCore.cs
===================================================================
diff -u -r7942f0626806a8075b1ea3808668a20e2df2b197 -r90e6ceb054e3c6826246e33aa9fe19f7aeedc444
--- Core/Gui/src/Core.Gui/GuiCore.cs	(.../GuiCore.cs)	(revision 7942f0626806a8075b1ea3808668a20e2df2b197)
+++ Core/Gui/src/Core.Gui/GuiCore.cs	(.../GuiCore.cs)	(revision 90e6ceb054e3c6826246e33aa9fe19f7aeedc444)
@@ -40,6 +40,7 @@
 using Core.Gui.Forms.MainWindow;
 using Core.Gui.Forms.MessageWindow;
 using Core.Gui.Forms.PropertyGridView;
+using Core.Gui.Forms.StartScreen;
 using Core.Gui.Forms.ViewHost;
 using Core.Gui.Helpers;
 using Core.Gui.Plugin;
Index: Core/Gui/src/Core.Gui/Style/DeltaresGeneralStyle.xaml
===================================================================
diff -u -rcf6a8a632e8f790a5bf3f25ab54d80ca0c91bc74 -r90e6ceb054e3c6826246e33aa9fe19f7aeedc444
--- Core/Gui/src/Core.Gui/Style/DeltaresGeneralStyle.xaml	(.../DeltaresGeneralStyle.xaml)	(revision cf6a8a632e8f790a5bf3f25ab54d80ca0c91bc74)
+++ Core/Gui/src/Core.Gui/Style/DeltaresGeneralStyle.xaml	(.../DeltaresGeneralStyle.xaml)	(revision 90e6ceb054e3c6826246e33aa9fe19f7aeedc444)
@@ -24,7 +24,8 @@
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:options="http://schemas.microsoft.com/winfx/2006/xaml/presentation/options"
                     xmlns:mainWindow="clr-namespace:Core.Gui.Forms.MainWindow"
-                    xmlns:metro="http://metro.mahapps.com/winfx/xaml/controls">
+                    xmlns:metro="http://metro.mahapps.com/winfx/xaml/controls"
+                    xmlns:startScreen="clr-namespace:Core.Gui.Forms.StartScreen">
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/Core.Gui;component/Style/Symbols/RiskeerSymbols.xaml" />
     </ResourceDictionary.MergedDictionaries>
@@ -70,7 +71,7 @@
     <SolidColorBrush x:Key="BackstageBigButtonMouseDownBrush" Color="{StaticResource DeltaresBlue}" Opacity="0.1" />
     <SolidColorBrush x:Key="BackstageBigButtonMouseOverBrush" Color="{StaticResource DeltaresBlue}" Opacity="0.1" />
 
-    <Style TargetType="mainWindow:StartScreen">
+    <Style TargetType="startScreen:StartScreen">
         <Setter Property="GlowBrush" Value="{StaticResource WindowGlowBrush}" />
         <Setter Property="OverlayBrush" Value="{StaticResource WindowOverlayBrush}" />
         <Setter Property="WindowTitleBrush" Value="{StaticResource DeltaresBlueBrush}" />
Fisheye: Tag 90e6ceb054e3c6826246e33aa9fe19f7aeedc444 refers to a dead (removed) revision in file `Core/Gui/test/Core.Gui.Test/Forms/MainWindow/StartScreenTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag 90e6ceb054e3c6826246e33aa9fe19f7aeedc444 refers to a dead (removed) revision in file `Core/Gui/test/Core.Gui.Test/Forms/MainWindow/StartScreenViewModelTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag 90e6ceb054e3c6826246e33aa9fe19f7aeedc444 refers to a dead (removed) revision in file `Core/Gui/test/Core.Gui.Test/Forms/SplashScreen/SplashScreenTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Core/Gui/test/Core.Gui.Test/Forms/StartScreen/StartScreenTest.cs
===================================================================
diff -u
--- Core/Gui/test/Core.Gui.Test/Forms/StartScreen/StartScreenTest.cs	(revision 0)
+++ Core/Gui/test/Core.Gui.Test/Forms/StartScreen/StartScreenTest.cs	(revision 90e6ceb054e3c6826246e33aa9fe19f7aeedc444)
@@ -0,0 +1,59 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Threading;
+using Core.Gui.Forms.StartScreen;
+using MahApps.Metro.Controls;
+using NUnit.Framework;
+
+namespace Core.Gui.Test.Forms.StartScreen
+{
+    [TestFixture]
+    [Apartment(ApartmentState.STA)]
+    public class StartScreenTest
+    {
+        [Test]
+        public void Constructor_ViewModelNull_ThrowsArgumentNullException()
+        {
+            // Call
+            void Call() => new Gui.Forms.StartScreen.StartScreen(null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("viewModel", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Setup
+            var viewModel = new StartScreenViewModel(() => {}, () => {});
+
+            // Call
+            var startScreen = new Gui.Forms.StartScreen.StartScreen(viewModel);
+
+            // Assert
+            Assert.IsInstanceOf<MetroWindow>(startScreen);
+            Assert.AreSame(viewModel, startScreen.DataContext);
+        }
+    }
+}
\ No newline at end of file
Index: Core/Gui/test/Core.Gui.Test/Forms/StartScreen/StartScreenViewModelTest.cs
===================================================================
diff -u
--- Core/Gui/test/Core.Gui.Test/Forms/StartScreen/StartScreenViewModelTest.cs	(revision 0)
+++ Core/Gui/test/Core.Gui.Test/Forms/StartScreen/StartScreenViewModelTest.cs	(revision 90e6ceb054e3c6826246e33aa9fe19f7aeedc444)
@@ -0,0 +1,104 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using Core.Gui.Forms.StartScreen;
+using NUnit.Framework;
+
+namespace Core.Gui.Test.Forms.StartScreen
+{
+    [TestFixture]
+    public class StartScreenViewModelTest
+    {
+        [Test]
+        public void Constructor_NewProjectActionNull_ThrowsArgumentNullException()
+        {
+            // Call
+            void Call() => new StartScreenViewModel(null, () => {});
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("newProjectAction", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_OpenProjectActionNull_ThrowsArgumentNullException()
+        {
+            // Call
+            void Call() => new StartScreenViewModel(() => {}, null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("openProjectAction", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Call
+            var viewModel = new StartScreenViewModel(() => {}, () => {});
+
+            // Assert
+            Assert.IsNotNull(viewModel.NewProjectCommand);
+            Assert.IsNotNull(viewModel.OpenProjectCommand);
+        }
+
+        [Test]
+        public void GivenViewModel_WhenNewProjectCommandExecuted_ThenGivenActionExecuted()
+        {
+            // Given
+            var newProjectActionCalled = 0;
+
+            void NewProjectAction()
+            {
+                newProjectActionCalled++;
+            }
+
+            var viewModel = new StartScreenViewModel(NewProjectAction, () => {});
+
+            // When
+            viewModel.NewProjectCommand.Execute(null);
+
+            // Then
+            Assert.AreEqual(1, newProjectActionCalled);
+        }
+
+        [Test]
+        public void GivenViewModel_WhenOpenProjectCommandExecuted_ThenGivenActionExecuted()
+        {
+            // Given
+            var openProjectActionCalled = 0;
+
+            void OpenProjectAction()
+            {
+                openProjectActionCalled++;
+            }
+
+            var viewModel = new StartScreenViewModel(() => {}, OpenProjectAction);
+
+            // When
+            viewModel.OpenProjectCommand.Execute(null);
+
+            // Then
+            Assert.AreEqual(1, openProjectActionCalled);
+        }
+    }
+}
\ No newline at end of file