Alternatives
Products that do what Rule Referee does
Instant board game rules — no more mid-game arguments
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- 2PA
Thought I would post in celebration of 1 year of my website being online. I've been working on it on and off and currently the website allows users to play Hex, Tumbleweed, Amazons, and Connect 6 against friends or against practice bots. I've been a long time player of some of these games and I felt for a long time that the world could use a few more popular abstract strategy games compared to Chess or Go. If you try it, let me know what you think. I'm always looking for new games or new features to add :)
Oct 2025 · abstractboardgames.com
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Chess pattern training. No timers, no streaks, no ratings.
Jun 2026 · boxwoodchess.com
- 5PP
I was curious to see how some of the latest models behaved and played no limit texas holdem. I built this website which allows you to: Spectate: Watch different models play against each other. Play: Create your own table and play hands against the agents directly.
Jan 2026 · llmholdem.com
- 6BN
blunderchess.net is an open source, peer-to-peer chess app where every five moves, players each get to make one blunder-move for their opponent
2025 · blunderchess.net
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- 9OC
My personal project: https://github.com/leonidasdeim/chasse Goal was to build session based chessboard game without any rules - to play just like oldschool over the board. Just create new board and share link with a friend. I would appreciate any feedback and github star. Thanks!
2023 · chasse.fun
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- 11CTChess Twist▲29
I continue my experiment of transposing classic games onto an irregular grid. I've previously released variants of minesweeper and checkers. And now I'd like to share my variant of Chess. Chess can be a pretty punishing game, but I thought this was nevertheless a way to make it even more challenging by making it trickier to anticipate your opponent, even though both players still have the same information. From the playtests I've done, that challenge is pretty compelling. It also seems to be more fun at 2 people, where both players keep surprising one another.
2024 · polyreplay.com
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- 13MC
Hey, it's been a long time in the making, but we're finally ready with our public BETA version of our Android application. We're anxiously (and nervously) awaiting your feedback, so please lay it on us. Our biggest fear is hearing nothing. The game is called Super Tic Tac Toe. It's a new take on the old, boring tic tac toe that more often than not ended in a cat's game. The game board is a large tic tac toe board with each square comprised of a smaller tic tac toe board. You and an opponent place your marks on the smaller boards, each move dictating where your opponent may move next (and…
2012
- 14IM
ExplainGame (explaingame.com) is a mobile-friendly party game that runs in the browser. The goal of the game is to get your teammates to say the words on your card before the timer runs out, using only word association clues. For example, if you get a term like “Michael Schumacher,” you can say “F1 driver, Ferrari, ski accident” but not “Michael” or “Schumacher.” You can think of it as charades or Pictionary, but instead of acting or drawing, you have to use your words. ExplainGame is a clone of a popular board game in South Africa called 30 Seconds, or Articulate in the UK. It is meant to…
2024 · explaingame.com
- 15IT
I built 1e4.ai - a chess web app where you play against neural networks trained to mimic human Lichess players at specific Elo ranges. There's a separate model for each 100-point rating bucket from ~800 to 2200+, and the bots not only choose human-like moves but also burn clock time, play worse under time pressure, and blunder in human-like ways. Live demo: https://1e4.ai Code: https://github.com/thomasj02/1e4_ai A few things that might be interesting: - Trained on almost a full year of Lichess blitz games, around 1B total games - Architecture is an a small…
May 2026
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- 17PA
What PokerBattle.ai is a week-long live no-limit Texas Hold’em tournament where all players are top-tier reasoning LLMs. We’re testing how different models handle imperfect information and whether they can sustain consistent, math-driven poker without tool use or custom code. Why - In poker you can do well with basic math + consistent logic. - Superhuman poker AIs exist, but they rely on massive simulation/game-theory solvers and are effectively black boxes. - We want a rough, apples-to-apples comparison of LLM reasoning on poker decisions, and to collect public reasoning summaries that…
Sep 2025 · pokerbattle.ai
- 18IM
Also inspired by this HN submission: https://www.chiark.greenend.org.uk/~sgtatham/quasiblog/findl... The model is gpt-4o-mini-2024-07-18.
2024 · app4.hc11.org
- 198B
I had a lot of fun with this one. She's used it several times, and I watch, to see what subtle bugs or ux issues there may be. And when she gets on the bus I fix them quickly before work. It's been a fun game to create where it gives here immediate feedback and she's willing to study more. Her test is this Friday. fingers crossed that it helped her!
2025 · kbr.sh
- 20FA
Hey everyone, I'm Fabio, a very long time lurker here. Today I want to celebrate and share with you, again, a game that I conceived more than 8 years ago. I shared it last week with all its history (if you're curious) [1], but it just stayed in the "shownew" and never reached the main "show" page, hopefully this time it'll do better (:crossed_fingers:)! What changed since last week? Today I've also published the mobile apps for both iOS and Android (last week it was just web), which are also my first mobile apps ever. So I believe it's still a worthwhile post and something to show :) I'd…
2024 · fiftygame.com
- 21SA
Hello! I created SpicyChess(https://spicychess.com) because I wanted a tactics training app that would have the following features: - Spaced Repetition. - Countdown time to simulate blitz Chess where you have to find the best move quickly. - The ability to save puzzles for later review. I'd love to hear any feedback that you may have !
2023 · spicychess.com
- 22AC
Hello, This is something I've wanted to build for awhile (first bought the domain in 2020 (then lost it for a year+)). It's a tactics solver on each new tab page. There are 5 modes of play: Easy (<1200 elo) Medium (1200-1800) Hard (1800-2400) Expert (2400+) Speedrun (solve as many puzzles as possible in 60 seconds). I'm having a ton of fun with it, and definitely noticing improvements with actual games (definitely solved the most puzzles in my life while developing this extension). If you check it out, please let me know what you think. Any feedback is good!
Apr 2026 · leetchess.com
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Free chess analyzer to find blunders and master your game
Jan 2026 · chessmoveexpert.com
- 24BG
Tl;dr: Would like to hear thoughts on board games platform prototype (https://bordga.me/games/7) We are building an online board games platform which lets you create & play any board game online while video chatting with your co-players. Game play resembles the real world where users have to do everything from moving the pieces to enforcing the rules. We are quite early in our journey. We prototyped Chess to see if people would be interested in this direction. Please try it here! (https://bordga.me/games/7) You can enter your name that creates a new…
2021
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