diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f0438ac
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,25 @@
+# Build outputs
+bin/
+obj/
+out/
+publish/
+
+# IDE
+.vs/
+.vscode/
+
+# User secrets / configs
+appsettings.Development.json
+*.user
+*.suo
+
+# Logs
+*.log
+
+# SQLite data
+App_Data/
+*.db
+
+# OS cruft
+Thumbs.db
+Desktop.ini
diff --git a/AGENTS.md b/AGENTS.md
index 7fa581b..e859503 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -7,7 +7,7 @@ This repo is a tiny, purpose-built web app for a closed Discord group to:
 4) reveal totals sorted by score
 
 Tech constraints:
-- .NET 8
+- .NET 10
 - ASP.NET Core Minimal API
 - Static HTML/CSS/JS (no Razor Pages, no Blazor, no HTMX)
 - SQLite via EF Core
@@ -76,3 +76,4 @@ Do not introduce MVC controllers, Razor Pages, Blazor, or SPA frameworks.
 - Implement API first, UI second
 - Keep changes small and testable
 - Prefer clarity over abstraction
+- After every iteration, do a git commit with a brief summary of the changes as a commit message.
\ No newline at end of file
diff --git a/Data/AppDbContext.cs b/Data/AppDbContext.cs
new file mode 100644
index 0000000..8d01707
--- /dev/null
+++ b/Data/AppDbContext.cs
@@ -0,0 +1,61 @@
+using GameList.Domain;
+using Microsoft.EntityFrameworkCore;
+
+namespace GameList.Data;
+
+public class AppDbContext : DbContext
+{
+    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options)
+    {
+    }
+
+    public DbSet<Player> Players => Set<Player>();
+    public DbSet<Suggestion> Suggestions => Set<Suggestion>();
+    public DbSet<Vote> Votes => Set<Vote>();
+    public DbSet<AppState> AppState => Set<AppState>();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<Player>(builder =>
+        {
+            builder.HasKey(p => p.Id);
+            builder.Property(p => p.DisplayName).HasMaxLength(64);
+            builder.HasMany(p => p.Suggestions)
+                   .WithOne(s => s.Player!)
+                   .HasForeignKey(s => s.PlayerId)
+                   .OnDelete(DeleteBehavior.Cascade);
+            builder.HasMany(p => p.Votes)
+                   .WithOne(v => v.Player!)
+                   .HasForeignKey(v => v.PlayerId)
+                   .OnDelete(DeleteBehavior.Cascade);
+        });
+
+        modelBuilder.Entity<Suggestion>(builder =>
+        {
+            builder.HasKey(s => s.Id);
+            builder.Property(s => s.Name).IsRequired().HasMaxLength(100);
+            builder.Property(s => s.Genre).HasMaxLength(50);
+            builder.Property(s => s.Description).HasMaxLength(500);
+            builder.Property(s => s.ScreenshotUrl).HasMaxLength(2048);
+            builder.Property(s => s.YoutubeUrl).HasMaxLength(2048);
+        });
+
+        modelBuilder.Entity<Vote>(builder =>
+        {
+            builder.HasKey(v => v.Id);
+            builder.Property(v => v.Score).IsRequired();
+            builder.HasIndex(v => new { v.PlayerId, v.SuggestionId }).IsUnique();
+        });
+
+        modelBuilder.Entity<AppState>(builder =>
+        {
+            builder.HasKey(s => s.Id);
+            builder.HasData(new AppState
+            {
+                Id = 1,
+                CurrentPhase = Phase.Suggest,
+                UpdatedAt = DateTimeOffset.UtcNow
+            });
+        });
+    }
+}
diff --git a/Domain/AppState.cs b/Domain/AppState.cs
new file mode 100644
index 0000000..3363e53
--- /dev/null
+++ b/Domain/AppState.cs
@@ -0,0 +1,8 @@
+namespace GameList.Domain;
+
+public class AppState
+{
+    public int Id { get; set; } = 1;
+    public Phase CurrentPhase { get; set; } = Phase.Suggest;
+    public DateTimeOffset UpdatedAt { get; set; } = DateTimeOffset.UtcNow;
+}
diff --git a/Domain/Phase.cs b/Domain/Phase.cs
new file mode 100644
index 0000000..d611688
--- /dev/null
+++ b/Domain/Phase.cs
@@ -0,0 +1,9 @@
+namespace GameList.Domain;
+
+public enum Phase
+{
+    Suggest = 0,
+    Reveal = 1,
+    Vote = 2,
+    Results = 3
+}
diff --git a/Domain/Player.cs b/Domain/Player.cs
new file mode 100644
index 0000000..b13a95b
--- /dev/null
+++ b/Domain/Player.cs
@@ -0,0 +1,16 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace GameList.Domain;
+
+public class Player
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    [MaxLength(64)]
+    public string? DisplayName { get; set; }
+
+    public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;
+
+    public ICollection<Suggestion> Suggestions { get; set; } = new List<Suggestion>();
+    public ICollection<Vote> Votes { get; set; } = new List<Vote>();
+}
diff --git a/Domain/Suggestion.cs b/Domain/Suggestion.cs
new file mode 100644
index 0000000..4d3f925
--- /dev/null
+++ b/Domain/Suggestion.cs
@@ -0,0 +1,32 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace GameList.Domain;
+
+public class Suggestion
+{
+    public int Id { get; set; }
+
+    [Required]
+    public Guid PlayerId { get; set; }
+    public Player? Player { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string Name { get; set; } = string.Empty;
+
+    [MaxLength(50)]
+    public string? Genre { get; set; }
+
+    [MaxLength(500)]
+    public string? Description { get; set; }
+
+    [MaxLength(2048)]
+    public string? ScreenshotUrl { get; set; }
+
+    [MaxLength(2048)]
+    public string? YoutubeUrl { get; set; }
+
+    public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;
+
+    public ICollection<Vote> Votes { get; set; } = new List<Vote>();
+}
diff --git a/Domain/Vote.cs b/Domain/Vote.cs
new file mode 100644
index 0000000..cf263aa
--- /dev/null
+++ b/Domain/Vote.cs
@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace GameList.Domain;
+
+public class Vote
+{
+    public int Id { get; set; }
+
+    [Required]
+    public Guid PlayerId { get; set; }
+    public Player? Player { get; set; }
+
+    [Required]
+    public int SuggestionId { get; set; }
+    public Suggestion? Suggestion { get; set; }
+
+    [Range(0, 10)]
+    public int Score { get; set; }
+
+    public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;
+}
diff --git a/GameList.csproj b/GameList.csproj
new file mode 100644
index 0000000..3e5e966
--- /dev/null
+++ b/GameList.csproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.2">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.2" />
+  </ItemGroup>
+
+</Project>
diff --git a/Program.cs b/Program.cs
new file mode 100644
index 0000000..7cbdc20
--- /dev/null
+++ b/Program.cs
@@ -0,0 +1,45 @@
+using GameList.Data;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+
+var builder = WebApplication.CreateBuilder(args);
+
+var dataDirectory = Path.Combine(builder.Environment.ContentRootPath, "App_Data");
+Directory.CreateDirectory(dataDirectory);
+
+var configuredConnection = builder.Configuration.GetConnectionString("Default");
+var dbPath = Path.Combine(dataDirectory, "gamelist.db");
+var connectionBuilder = new SqliteConnectionStringBuilder();
+
+if (string.IsNullOrWhiteSpace(configuredConnection))
+{
+    connectionBuilder.DataSource = dbPath;
+}
+else
+{
+    connectionBuilder = new SqliteConnectionStringBuilder(configuredConnection);
+
+    if (connectionBuilder.DataSource.Contains("App_Data", StringComparison.OrdinalIgnoreCase))
+    {
+        var fileName = Path.GetFileName(connectionBuilder.DataSource);
+        connectionBuilder.DataSource = Path.Combine(dataDirectory, fileName);
+    }
+    else if (!Path.IsPathRooted(connectionBuilder.DataSource))
+    {
+        connectionBuilder.DataSource = Path.GetFullPath(connectionBuilder.DataSource, dataDirectory);
+    }
+}
+
+var connectionString = connectionBuilder.ToString();
+
+builder.Services.AddDbContext<AppDbContext>(options =>
+    options.UseSqlite(connectionString));
+
+var app = builder.Build();
+
+app.UseDefaultFiles();
+app.UseStaticFiles();
+
+app.MapGet("/health", () => Results.Ok(new { status = "ok" }));
+
+app.Run();
diff --git a/Properties/launchSettings.json b/Properties/launchSettings.json
new file mode 100644
index 0000000..66312e8
--- /dev/null
+++ b/Properties/launchSettings.json
@@ -0,0 +1,38 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:42257",
+      "sslPort": 44362
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5116",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7103;http://localhost:5116",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}
diff --git a/TASKS.md b/TASKS.md
index 96e9e8d..6bfb556 100644
--- a/TASKS.md
+++ b/TASKS.md
@@ -3,11 +3,11 @@
 - [x] Initialize git repository.
 
 ## Foundation
-- [ ] Add `.gitignore` for .NET / IIS publish artifacts.
-- [ ] Scaffold .NET 8 minimal API project with static file hosting (`wwwroot`).
-- [ ] Configure SQLite connection pointing to `App_Data` with EF Core migrations folder under `Data/`.
-- [ ] Define domain models in `Domain/`: `Player`, `Suggestion`, `Vote`, `AppState`, `Phase` enum.
-- [ ] Implement `AppDbContext` in `Data/` with DbSets and simple seeding of `AppState`.
+- [x] Add `.gitignore` for .NET / IIS publish artifacts.
+- [x] Scaffold .NET 10 minimal API project with static file hosting (`wwwroot`).
+- [x] Configure SQLite connection pointing to `App_Data` with EF Core migrations folder under `Data/`.
+- [x] Define domain models in `Domain/`: `Player`, `Suggestion`, `Vote`, `AppState`, `Phase` enum.
+- [x] Implement `AppDbContext` in `Data/` with DbSets and simple seeding of `AppState`.
 
 ## Identity & Middleware
 - [ ] Middleware to issue/read HttpOnly `player` cookie with Guid; SameSite=Strict; secure in production.
diff --git a/appsettings.json b/appsettings.json
new file mode 100644
index 0000000..3ffe25c
--- /dev/null
+++ b/appsettings.json
@@ -0,0 +1,12 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+    "Default": "Data Source=App_Data/gamelist.db"
+  }
+}
diff --git a/wwwroot/app.js b/wwwroot/app.js
new file mode 100644
index 0000000..fcde689
--- /dev/null
+++ b/wwwroot/app.js
@@ -0,0 +1 @@
+console.log("CoopGameChooser client placeholder");
diff --git a/wwwroot/index.html b/wwwroot/index.html
new file mode 100644
index 0000000..fb5c2cc
--- /dev/null
+++ b/wwwroot/index.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <title>CoopGameChooser</title>
+  <link rel="stylesheet" href="styles.css">
+</head>
+<body>
+  <main class="container">
+    <h1>CoopGameChooser</h1>
+    <p>MVP is on the way. API and UI will land here.</p>
+  </main>
+  <script src="app.js"></script>
+</body>
+</html>
diff --git a/wwwroot/styles.css b/wwwroot/styles.css
new file mode 100644
index 0000000..9fd4e90
--- /dev/null
+++ b/wwwroot/styles.css
@@ -0,0 +1,20 @@
+:root {
+  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
+  background: #0f172a;
+  color: #e2e8f0;
+}
+
+.container {
+  max-width: 720px;
+  margin: 10vh auto;
+  padding: 24px;
+  background: rgba(15, 23, 42, 0.7);
+  border-radius: 12px;
+  border: 1px solid #1e293b;
+  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
+}
+
+h1 {
+  margin-top: 0;
+  letter-spacing: 0.5px;
+}