Omnichess - Chess Variants!

Contains adsIn-app purchases
2.6
718 reviews
50K+
Downloads
Content rating
PEGI 3
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About this game

Omnichess is the game that allows you to design and play your very own chess variants! With AI and online play there are a huge variety of options including:

👫 2 - 8 players. All against all or team based play.

⭐ Square, hexagonal, or triangular tiled chess boards.

🥇 Win conditions including Checkmate, Play for points, Tile capture, and Annihilation.

⌛ Interval, Bronstein, and Hour Glass timer options.

🕓 Asymmetric move timers. Give yourself extra move time against a more experienced player to even the odds.

♟ Rule alterations like enabling en passant on bishops or castling on any pair of pieces!

👾 Define how a chess piece moves and choose from over 40 piece icons
Updated on
Jun 2, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity and App info and performance
This app may collect these data types
Personal info, Messages, and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

2.6
640 reviews
Curly From The Swirly
September 14, 2025
Since it won't let me see any changes without signing up I can't say if it's good. It also makes it annoying putting so much info on each page that isn't needed. We don't need know basic chess rules when trying to edit.
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Scarlet Winter
August 31, 2025
The bots on hard and higher are literally impossible to defeat. They use the same moves everytime and it feels like it's a literal cheat engine. It doesn't make mistakes, like, ever, which is literally just a cheat engine cause how do you expect people to win against bots if they always counter EVERYTHING? It's impossible to play without playing with other people instead of a fun game with bots.
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ethan lacasse
September 20, 2022
Y'all this is a genuinely wonderful concept for an app, but it straight up doesn't work. It's quite a chore to try using it to create a chess variant, but once you successfully create your game and watch your confirmation ad (or else lose all of the work you just did) you can get into a game, and it doesn't work at all. I mean it's actually really cool that you got the chess ai to work with the variants, but the pieces duplicate or break constantly, and the graphics fail to update frequently.
19 people found this review helpful
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What’s new

Bug fixes and performance improvements