IsoChess: Practice and Play Chess with Customizable AI

9/9/2026, 3:05:12 PM

Release date: 7/17/2023

Tags: #chess #artificial-intelligence #retro #turn-based-tactics #strategy #2.5d #board-game #turn-based-strategy

Reference prices

Japan

¥ 655 (JPY)

Steam JP

$4.99 (USD)

Steam Global

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 655
Global Price: $4.99
Price in Your Region: ¥ 655Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 17 Sept 2026
Sale Status: Regular pricing
Price Checked At: 9/16/2026, 12:30:54 PM

Key highlight

IsoChess is a chess game by Bit Twiddle Games, featuring customizable AI opponents including Stockfish and UCI engine support. Play and practice chess in a retro 2.5D style.

Who this is for

Recommended for players looking to improve their chess skills and experiment with various AI opponents. The extensibility with UCI-compatible engines is a significant plus.

Details

Overview

IsoChess offers a straightforward yet engaging chess experience, designed to be accessible for both newcomers and seasoned players. Developed and published by Bit Twiddle Games, this title focuses on providing a robust platform for honing your chess skills against a variety of artificial intelligence opponents.

Highlights

Versatile AI Opponents: Play against a diverse range of community-developed chess engines, including the powerful and adaptable Stockfish, which can be tuned for various difficulty levels.
Extensible Engine Support: Beyond the included engines, IsoChess supports most Universal Chess Interface (UCI) compatible AIs, allowing players to easily integrate their favorite engines by placing them in the game's 'ai/' directory.
Core Chess Gameplay: The game centers on traditional chess rules, providing a solid foundation for strategic thinking and tactical execution in a turn-based format.

Who It's For

This game is ideal for chess enthusiasts looking to improve their game through practice. Whether you're a beginner wanting to learn the ropes or an experienced player seeking to refine your strategies against different AI strengths, IsoChess provides the tools you need. Its compatibility with custom engines also appeals to those who enjoy experimenting with various chess AI technologies.

Game Info

IsoChess is a single-player and multiplayer game that falls under the Strategy and Turn-Based Tactics genres, with a distinct Retro and 2.5D aesthetic. It was released on July 17, 2023, by Bit Twiddle Games. The game supports English language and is a paid title on Steam.