9 similar games
Games like Theory
Browser games that play like Theory, closest match first. Lime means it runs right here.

(This project was made in 48 hours for Ludum Dare 49, "Unstable".) You are Erwin, a cat that has been captured by a race of alien robots, the Drexl'erin. The games below have the most in common with it — stealth, pixel art, platform — ranked by how closely they match, favouring the ones you can play right here in your browser.
Top picks
The 9 closest to Theory
- Whiskers in the DarkPlays on natashadev.itch.io
Lurk through the underground tunnels as you stealthily make your way through them in Whiskers in the Dark. In common: stealth, 2d, pixel art.
- Agent PyxelPlays on xiris.itch.io
Do what secret agents do best - set off for a dangerous mission and silence high importance target. In common: stealth, 2d, pixel art.
- Digger: Goblin CavesPlays on panzer911.itch.io
Go to the gloomy dungeons in search of treasures. In common: stealth, 2d, pixel art.
- Prince of PrussiaPlays on adamatomic.itch.io
In Prince of Prussia, you sneak up on a whole bunch of nazis. In common: stealth, pixel art, platform.
- Red HandedPlays on badpiggy.itch.io
A stealth game where you have to get caught Made in under 3 days for the Wowie game jam where the theme was " Failure is progress " In common: stealth, pixel art.
- Project ChameleonPlays on anonymousking.itch.io
Project Chameleon is a stealth game where you must shape-shift into objects to go unnoticed by your enemies. In common: stealth, platform.
- Money Movers 2Plays here
By working together, the brothers are visiting the prison again to help their father escape! In common: stealth, platform.
- Money Movers
Help the duo escape the prison by relying on each character's strengths. In common: stealth, platform.
- Money Movers 3: Guard Duty
You and your dog need to help each other in order to capture the criminals! In common: stealth, platform.
All matches
Every game like Theory
PlayableBetaWhiskers in the Dark
Physics · 2023
PlayableAgent Pyxel
2D
PlayableDigger: Goblin Caves
Retro · 2026
PlayablePrince of Prussia
Pixel Art · 2025
PlayableRed Handed
Pixel Art · 2021
PlayableBetaProject Chameleon
Female Protagonist · 2023
PlayableMoney Movers 2
Local Co Op · 2015

Money Movers
Local Co Op · 2013

Money Movers 3: Guard Duty
Action