Free games like Primordialis
Below are 8 free-to-play Steam games similar to Primordialis, 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 Primordialis page.
Ranked picks
- 1

Ultimate Custom Night
Free-to-play alternative to Primordialis — no purchase or trial window. Shares Action and Indie with Primordialis.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2

Awaria
Free-to-play alternative to Primordialis — no purchase or trial window. Shares Action and Indie with Primordialis.
Awaria is a short game about working in haunted maintenance tunnels.
- 3

Steam Engine Simulator
Free-to-play alternative to Primordialis — no purchase or trial window. Shares Simulation with Primordialis.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 4

Iron Snout
Free-to-play alternative to Primordialis — no purchase or trial window. Shares Action and Indie with Primordialis.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
- 5

Disfigure
Free-to-play alternative to Primordialis — no purchase or trial window. Shares Action and Indie with Primordialis.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
- 6

The Lab
Free-to-play alternative to Primordialis — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 7

Landfall Archives
Free-to-play alternative to Primordialis — no purchase or trial window. Shares Action and Indie with Primordialis.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 8

SuchArt: Creative Space
Free-to-play alternative to Primordialis — no purchase or trial window. Shares Action and Indie with Primordialis.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!