Free games like SYSTEM 21
Below are 8 free-to-play Steam games similar to SYSTEM 21, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like SYSTEM 21 page.
Ranked picks
- 1
Helltaker
Free-to-play alternative to SYSTEM 21 — no purchase or trial window. Shares Indie with SYSTEM 21.
Helltaker is a short game about sharply dressed demon girls.
- 2
Travellin Cats in Paris
Free-to-play alternative to SYSTEM 21 — no purchase or trial window. Shares Indie with SYSTEM 21.
Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!
- 3
Star Fetchers
Free-to-play alternative to SYSTEM 21 — no purchase or trial window. Shares Indie with SYSTEM 21.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 4
Coloring Pixels
Free-to-play alternative to SYSTEM 21 — no purchase or trial window. Shares Indie with SYSTEM 21.
A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.
- 5
Eternal Senia
Free-to-play alternative to SYSTEM 21 — no purchase or trial window. Shares Indie with SYSTEM 21.
Thoughts and expectations ARPG
- 6
There Is No Game: Jam Edition 2015
Free-to-play alternative to SYSTEM 21 — no purchase or trial window. Shares Indie with SYSTEM 21.
A little game that’s not a game, winner of an old game jam that nobody’s ever heard of. So DON'T INSTALL IT!
- 7
100 Asian Cats
Free-to-play alternative to SYSTEM 21 — no purchase or trial window. Shares Strategy and Indie with SYSTEM 21.
🏮🐈 100 Asian Cats - Join the cutest adventure in the Asia! 😻 🌸 Explore the charming hand-drawn artwork of Asian temples 🏯 as you embark on a quest to find 100 adorable cats hidden throughout the game. 🕵️♂️❌ Can you find them all? 🕵️♂️🐈✅
- 8
Cube Escape: Paradox
Free-to-play alternative to SYSTEM 21 — no purchase or trial window. Shares Indie with SYSTEM 21.
The tenth Cube Escape follows the story of detective Dale Vandermeer who finds himself trapped in two different universes and needs to escape. Cube Escape: Paradox will be released together with the accompanying Paradox: A Rusty Lake Film.