Free games like Horizon Sandbox
Below are 10 free-to-play Steam games similar to Horizon Sandbox, 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 Sandbox page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Indie and Casual with Horizon Sandbox.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Life is Strange - Episode 1
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Action with Horizon Sandbox.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 3
Ultimate Custom Night
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Action and Indie with Horizon Sandbox.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 4
Bongo Cat
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Indie and Simulation with Horizon Sandbox.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 5
The Murder of Sonic the Hedgehog
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Indie and Simulation with Horizon Sandbox.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 6
Indigo Park: Chapter 1
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Action and Indie with Horizon Sandbox.
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.
- 7
STRAFTAT
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Action with Horizon Sandbox.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 8
Our Life: Beginnings & Always
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Indie and Casual with Horizon Sandbox.
A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.
- 9
30 Days On Ship: Castaway – The First Days
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Action and Indie with Horizon Sandbox.
Take on the role of a castaway on a wrecked container ship. Survive for 3 days, battle storms, hunt animals, build shelter, and maintain your hunger and thirst, attempting to endure isolation and pirates in the middle of the Pacific. Can you stay alive?
- 10
Respawn | 2022
Free-to-play alternative to Horizon Sandbox — no purchase or trial window. Shares Action and Indie with Horizon Sandbox.
Come join us at Respawn where you can play with friends, make friends, create whole worlds, become a content creator, become an artist and so much more all at Respawn!