Free games like Horizon Idle
Below are 8 free-to-play Steam games similar to Horizon Idle, 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 Idle page.
Ranked picks
- 1
Bongo Cat
Free-to-play alternative to Horizon Idle — no purchase or trial window. Shares Simulation with Horizon Idle.
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?
- 2
NGU IDLE
Free-to-play alternative to Horizon Idle — no purchase or trial window. Shares Simulation with Horizon Idle.
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
Magic Archery
Free-to-play alternative to Horizon Idle — no purchase or trial window. Shares Simulation and RPG with Horizon Idle.
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.
- 4
Outpath: First Journey
Free-to-play alternative to Horizon Idle — no purchase or trial window.
Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
- 5
South Scrimshaw, Part One
Free-to-play alternative to Horizon Idle — no purchase or trial window.
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
- 6
The Riftbreaker: Prologue
Free-to-play alternative to Horizon Idle — no purchase or trial window.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 7
The Last Sovereign
Free-to-play alternative to Horizon Idle — no purchase or trial window. Shares RPG with Horizon Idle.
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
- 8
Warframe
Free-to-play alternative to Horizon Idle — no purchase or trial window. Shares RPG with Horizon Idle.
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game