Underplayed Gems

Regex Game (2025)

Regex Game cover
Developer
ZeroBitCode
Platforms
Windows, macOS, Linux
Genres
Casual, Indie, Strategy
Rating
3.8 of 5, 16 player ratings
Typical playtime
about 24 minutes
Where to get it
Steam

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The 3D catalog: game boxes on wooden shelves, with the cat sitting at the counter next to its greeting.

The catalog in 3D

The same catalog has a room you can walk around in. The cat behind the counter is the AI Catbot, and they pick real games from it when you tell them what you feel like playing. Nothing is for sale, here or in there. Go in from here and this game is already out on the counter, with more like it waiting on the shelf next to it.

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How it feels

A calm, methodical puzzle game where you solve text-matching challenges by building increasingly complex regular expressions.

educationalpuzzlemethodicalincrementallogic-basedfocusedlow stakes

What players say

Players split on whether this is a fun puzzle game or a frustrating teaching tool. Some say it helps learn regex, while others find the explanations wrong and the test cases misleading. The game assumes you already understand regex basics.

Screenshots

Regex Game screenshot 1Regex Game screenshot 2Regex Game screenshot 3Regex Game screenshot 4Regex Game screenshot 5

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More by ZeroBitCode

This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? You can browse by platform and genre, or take this one into the 3D catalog and ask the Catbot for something closer.