Free games like Experiment 73
Below are 8 free-to-play Steam games similar to Experiment 73, 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 Experiment 73 page.
Ranked picks
- 1
The Murder of Sonic the Hedgehog
Free-to-play alternative to Experiment 73 — no purchase or trial window. Shares Casual with Experiment 73.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 2
Indigo Park: Chapter 1
Free-to-play alternative to Experiment 73 — no purchase or trial window.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 3
Sheepy: A Short Adventure
Free-to-play alternative to Experiment 73 — no purchase or trial window. Shares Casual with Experiment 73.
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
- 4
Grimm's Hollow
Free-to-play alternative to Experiment 73 — no purchase or trial window.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
- 5
The Expendabros
Free-to-play alternative to Experiment 73 — no purchase or trial window.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 6
Star Fetchers
Free-to-play alternative to Experiment 73 — no purchase or trial window.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 7
Magic Archery
Free-to-play alternative to Experiment 73 — no purchase or trial window.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 8
Coloring Pixels
Free-to-play alternative to Experiment 73 — no purchase or trial window. Shares Casual with Experiment 73.
A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.