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

NadekoBot.Core/Modules/Games/HangmanCommands.cs

@@ -0,0 +1,135 @@
+using Discord.Commands;
+using NadekoBot.Extensions;
+using System;
+using System.Threading.Tasks;
+using Discord;
+using Discord.WebSocket;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Modules.Games.Common.Hangman;
+using NadekoBot.Modules.Games.Services;
+
+namespace NadekoBot.Modules.Games
+{
+    public partial class Games
+    {
+        [Group]
+        public class HangmanCommands : NadekoSubmodule<GamesService>
+        {
+            private readonly DiscordSocketClient _client;
+
+            public HangmanCommands(DiscordSocketClient client)
+            {
+                _client = client;
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task Hangmanlist()
+            {
+                await Context.Channel.SendConfirmAsync(Format.Code(GetText("hangman_types", Prefix)) + "\n" + string.Join("\n", _service.TermPool.Data.Keys));
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task Hangman([Remainder]string type = "random")
+            {
+                var hm = new Hangman(type, _service.TermPool);
+
+                if (!_service.HangmanGames.TryAdd(Context.Channel.Id, hm))
+                {
+                    hm.Dispose();
+                    await ReplyErrorLocalized("hangman_running").ConfigureAwait(false);
+                    return;
+                }
+                hm.OnGameEnded += Hm_OnGameEnded;
+                hm.OnGuessFailed += Hm_OnGuessFailed;
+                hm.OnGuessSucceeded += Hm_OnGuessSucceeded;
+                hm.OnLetterAlreadyUsed += Hm_OnLetterAlreadyUsed;
+                _client.MessageReceived += _client_MessageReceived;
+
+                try
+                {
+                    await Context.Channel.SendConfirmAsync(GetText("hangman_game_started") + $" ({hm.TermType})",
+                        hm.ScrambledWord + "\n" + hm.GetHangman())
+                        .ConfigureAwait(false);
+                }
+                catch { }
+
+                await hm.EndedTask.ConfigureAwait(false);
+
+                _client.MessageReceived -= _client_MessageReceived;
+                _service.HangmanGames.TryRemove(Context.Channel.Id, out _);
+                hm.Dispose();
+
+                Task _client_MessageReceived(SocketMessage msg)
+                {
+                    var _ = Task.Run(() =>
+                    {
+                        if (Context.Channel.Id == msg.Channel.Id)
+                            return hm.Input(msg.Author.Id, msg.Author.ToString(), msg.Content);
+                        else
+                            return Task.CompletedTask;
+                    });
+                    return Task.CompletedTask;
+                }
+            }
+
+            Task Hm_OnGameEnded(Hangman game, string winner)
+            {
+                if (winner == null)
+                {
+                    var loseEmbed = new EmbedBuilder().WithTitle($"Hangman Game ({game.TermType}) - Ended")
+                                             .WithDescription(Format.Bold("You lose."))
+                                             .AddField(efb => efb.WithName("It was").WithValue(game.Term.Word.ToTitleCase()))
+                                             .WithFooter(efb => efb.WithText(string.Join(" ", game.PreviousGuesses)))
+                                             .WithErrorColor();
+
+                    if (Uri.IsWellFormedUriString(game.Term.ImageUrl, UriKind.Absolute))
+                        loseEmbed.WithImageUrl(game.Term.ImageUrl);
+
+                    return Context.Channel.EmbedAsync(loseEmbed);
+                }
+
+                var winEmbed = new EmbedBuilder().WithTitle($"Hangman Game ({game.TermType}) - Ended")
+                                             .WithDescription(Format.Bold($"{winner} Won."))
+                                             .AddField(efb => efb.WithName("It was").WithValue(game.Term.Word.ToTitleCase()))
+                                             .WithFooter(efb => efb.WithText(string.Join(" ", game.PreviousGuesses)))
+                                             .WithOkColor();
+
+                if (Uri.IsWellFormedUriString(game.Term.ImageUrl, UriKind.Absolute))
+                    winEmbed.WithImageUrl(game.Term.ImageUrl);
+
+                return Context.Channel.EmbedAsync(winEmbed);
+            }
+
+            private Task Hm_OnLetterAlreadyUsed(Hangman game, string user, char guess)
+            {
+                return Context.Channel.SendErrorAsync($"Hangman Game ({game.TermType})", $"{user} Letter `{guess}` has already been used. You can guess again in 3 seconds.\n" + game.ScrambledWord + "\n" + game.GetHangman(),
+                                    footer: string.Join(" ", game.PreviousGuesses));
+            }
+
+            private Task Hm_OnGuessSucceeded(Hangman game, string user, char guess)
+            {
+                return Context.Channel.SendConfirmAsync($"Hangman Game ({game.TermType})", $"{user} guessed a letter `{guess}`!\n" + game.ScrambledWord + "\n" + game.GetHangman(),
+                    footer: string.Join(" ", game.PreviousGuesses));
+            }
+
+            private Task Hm_OnGuessFailed(Hangman game, string user, char guess)
+            {
+                return Context.Channel.SendErrorAsync($"Hangman Game ({game.TermType})", $"{user} Letter `{guess}` does not exist. You can guess again in 3 seconds.\n" + game.ScrambledWord + "\n" + game.GetHangman(),
+                                    footer: string.Join(" ", game.PreviousGuesses));
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task HangmanStop()
+            {
+                if (_service.HangmanGames.TryRemove(Context.Channel.Id, out var removed))
+                {
+                    await removed.Stop().ConfigureAwait(false);
+                    await ReplyConfirmLocalized("hangman_stopped").ConfigureAwait(false);
+                }
+            }
+        }
+    }
+}