diff --git a/SVSim.EmulatedEntrypoint/Controllers/ArenaTwoPickController.cs b/SVSim.EmulatedEntrypoint/Controllers/ArenaTwoPickController.cs
new file mode 100644
index 0000000..109b1c8
--- /dev/null
+++ b/SVSim.EmulatedEntrypoint/Controllers/ArenaTwoPickController.cs
@@ -0,0 +1,60 @@
+using Microsoft.AspNetCore.Mvc;
+using SVSim.EmulatedEntrypoint.Models.Dtos.Requests.ArenaTwoPick;
+using SVSim.EmulatedEntrypoint.Services;
+
+namespace SVSim.EmulatedEntrypoint.Controllers;
+
+[Route("arena_two_pick")]
+public class ArenaTwoPickController : SVSimController
+{
+    private readonly IArenaTwoPickService _svc;
+    public ArenaTwoPickController(IArenaTwoPickService svc) => _svc = svc;
+
+    [HttpPost("top")]
+    public async Task<IActionResult> Top([FromBody] TopRequest _)
+    {
+        if (!TryGetViewerId(out var vid)) return Unauthorized();
+        return Ok(await _svc.GetTopAsync(vid));
+    }
+
+    [HttpPost("entry")]
+    public async Task<IActionResult> Entry([FromBody] EntryRequest req)
+    {
+        if (!TryGetViewerId(out var vid)) return Unauthorized();
+        return await GuardAsync(() => _svc.EntryAsync(vid, req.ConsumeItemType));
+    }
+
+    [HttpPost("class_choose")]
+    public async Task<IActionResult> ClassChoose([FromBody] ClassChooseRequest req)
+    {
+        if (!TryGetViewerId(out var vid)) return Unauthorized();
+        return await GuardAsync(() => _svc.ChooseClassAsync(vid, req.ClassId));
+    }
+
+    [HttpPost("card_choose")]
+    public async Task<IActionResult> CardChoose([FromBody] CardChooseRequest req)
+    {
+        if (!TryGetViewerId(out var vid)) return Unauthorized();
+        return await GuardAsync(() => _svc.ChooseCardAsync(vid, req.SelectedId));
+    }
+
+    [HttpPost("retire")]
+    public async Task<IActionResult> Retire([FromBody] RetireRequest _)
+    {
+        if (!TryGetViewerId(out var vid)) return Unauthorized();
+        return await GuardAsync(() => _svc.RetireAsync(vid));
+    }
+
+    [HttpPost("finish")]
+    public async Task<IActionResult> Finish([FromBody] FinishRequest _)
+    {
+        if (!TryGetViewerId(out var vid)) return Unauthorized();
+        return await GuardAsync(() => _svc.FinishAsync(vid));
+    }
+
+    private async Task<IActionResult> GuardAsync<T>(Func<Task<T>> action)
+    {
+        try { return Ok(await action()); }
+        catch (ArenaTwoPickException ex) { return BadRequest(new { error_code = ex.ErrorCode }); }
+    }
+}
diff --git a/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/CardChooseRequest.cs b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/CardChooseRequest.cs
new file mode 100644
index 0000000..f31def4
--- /dev/null
+++ b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/CardChooseRequest.cs
@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+using MessagePack;
+
+namespace SVSim.EmulatedEntrypoint.Models.Dtos.Requests.ArenaTwoPick;
+
+[MessagePackObject]
+public class CardChooseRequest
+{
+    [JsonPropertyName("selected_id")] [Key("selected_id")] public long SelectedId { get; set; }
+}
diff --git a/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/ClassChooseRequest.cs b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/ClassChooseRequest.cs
new file mode 100644
index 0000000..03a3650
--- /dev/null
+++ b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/ClassChooseRequest.cs
@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+using MessagePack;
+
+namespace SVSim.EmulatedEntrypoint.Models.Dtos.Requests.ArenaTwoPick;
+
+[MessagePackObject]
+public class ClassChooseRequest
+{
+    [JsonPropertyName("class_id")] [Key("class_id")] public int ClassId { get; set; }
+}
diff --git a/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/EntryRequest.cs b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/EntryRequest.cs
new file mode 100644
index 0000000..86ef614
--- /dev/null
+++ b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/EntryRequest.cs
@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+using MessagePack;
+
+namespace SVSim.EmulatedEntrypoint.Models.Dtos.Requests.ArenaTwoPick;
+
+[MessagePackObject]
+public class EntryRequest
+{
+    [JsonPropertyName("consume_item_type")] [Key("consume_item_type")] public int ConsumeItemType { get; set; }
+}
diff --git a/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/FinishRequest.cs b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/FinishRequest.cs
new file mode 100644
index 0000000..eb8b528
--- /dev/null
+++ b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/FinishRequest.cs
@@ -0,0 +1,6 @@
+using MessagePack;
+
+namespace SVSim.EmulatedEntrypoint.Models.Dtos.Requests.ArenaTwoPick;
+
+[MessagePackObject]
+public class FinishRequest { }
diff --git a/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/RetireRequest.cs b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/RetireRequest.cs
new file mode 100644
index 0000000..c808a9f
--- /dev/null
+++ b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/RetireRequest.cs
@@ -0,0 +1,6 @@
+using MessagePack;
+
+namespace SVSim.EmulatedEntrypoint.Models.Dtos.Requests.ArenaTwoPick;
+
+[MessagePackObject]
+public class RetireRequest { }
diff --git a/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/TopRequest.cs b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/TopRequest.cs
new file mode 100644
index 0000000..adc13be
--- /dev/null
+++ b/SVSim.EmulatedEntrypoint/Models/Dtos/Requests/ArenaTwoPick/TopRequest.cs
@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+using MessagePack;
+
+namespace SVSim.EmulatedEntrypoint.Models.Dtos.Requests.ArenaTwoPick;
+
+[MessagePackObject]
+public class TopRequest
+{
+    [JsonPropertyName("mode")] [Key("mode")] public int Mode { get; set; }
+}
diff --git a/SVSim.UnitTests/Controllers/ArenaTwoPickControllerTests.cs b/SVSim.UnitTests/Controllers/ArenaTwoPickControllerTests.cs
new file mode 100644
index 0000000..2e33383
--- /dev/null
+++ b/SVSim.UnitTests/Controllers/ArenaTwoPickControllerTests.cs
@@ -0,0 +1,29 @@
+using System.Net;
+using System.Net.Http.Json;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Controllers;
+
+public class ArenaTwoPickControllerTests
+{
+    [Test]
+    public async Task Top_unauthenticated_returns_401()
+    {
+        using var factory = new SVSimTestFactory();
+        using var client = factory.CreateClient();
+        var resp = await client.PostAsync("/arena_two_pick/top", JsonContent.Create(new { mode = 0 }));
+        Assert.That(resp.StatusCode, Is.EqualTo(HttpStatusCode.Unauthorized));
+    }
+
+    [Test]
+    public async Task Top_authed_with_no_run_returns_entry_info_null()
+    {
+        using var factory = new SVSimTestFactory();
+        var viewerId = await factory.SeedViewerAsync();
+        using var client = factory.CreateAuthenticatedClient(viewerId);
+        var resp = await client.PostAsync("/arena_two_pick/top", JsonContent.Create(new { mode = 0 }));
+        Assert.That(resp.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var body = await resp.Content.ReadAsStringAsync();
+        StringAssert.Contains("\"entry_info\":null", body);
+    }
+}