Removed module projects because it can't work like that atm. Commented out package commands.

NadekoBot.Core/Modules/Games/TicTacToeCommands.cs

@@ -0,0 +1,62 @@
+using Discord;
+using Discord.Commands;
+using Discord.WebSocket;
+using NadekoBot.Extensions;
+using System;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Core.Services.Impl;
+using NadekoBot.Modules.Games.Services;
+using NadekoBot.Modules.Games.Common;
+
+namespace NadekoBot.Modules.Games
+{
+    public partial class Games
+    {
+        [Group]
+        public class TicTacToeCommands : NadekoSubmodule<GamesService>
+        {
+            private readonly SemaphoreSlim _sem = new SemaphoreSlim(1, 1);
+            private readonly DiscordSocketClient _client;
+
+            public TicTacToeCommands(DiscordSocketClient client)
+            {
+                _client = client;
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task TicTacToe()
+            {
+                var channel = (ITextChannel)Context.Channel;
+
+                await _sem.WaitAsync(1000);
+                try
+                {
+                    if (_service.TicTacToeGames.TryGetValue(channel.Id, out TicTacToe game))
+                    {
+                        var _ = Task.Run(async () =>
+                        {
+                            await game.Start((IGuildUser)Context.User);
+                        });
+                        return;
+                    }
+                    game = new TicTacToe(base._strings, this._client, channel, (IGuildUser)Context.User);
+                    _service.TicTacToeGames.Add(channel.Id, game);
+                    await ReplyConfirmLocalized("ttt_created").ConfigureAwait(false);
+
+                    game.OnEnded += (g) =>
+                    {
+                        _service.TicTacToeGames.Remove(channel.Id);
+                    };
+                }
+                finally
+                {
+                    _sem.Release();
+                }
+            }
+        }
+    }
+}