Free games like Horizon
Below are 8 free-to-play Steam games similar to Horizon, 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 Horizon page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Horizon — no purchase or trial window. Shares Indie and Free To Play with Horizon.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
NGU IDLE
Free-to-play alternative to Horizon — no purchase or trial window. Shares Indie and Adventure with Horizon.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 3
Grimm's Hollow
Free-to-play alternative to Horizon — no purchase or trial window. Shares Indie and Adventure with Horizon.
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.
- 4
The Lab
Free-to-play alternative to Horizon — no purchase or trial window. Shares Free To Play with Horizon.
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!
- 5
Z.A.T.O. // I Love the World and Everything In It
Free-to-play alternative to Horizon — no purchase or trial window. Shares Indie and Adventure with Horizon.
USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.
- 6
Cinderella Phenomenon - Otome/Visual Novel
Free-to-play alternative to Horizon — no purchase or trial window. Shares Indie and Simulation with Horizon.
The Fairytale Curse was only the beginning...
- 7
Landfall Archives
Free-to-play alternative to Horizon — no purchase or trial window. Shares Strategy and Indie with Horizon.
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 Horizon — no purchase or trial window. Shares Indie and Adventure with Horizon.
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!