Games like Horizon Idle
If Horizon Idle is your kind of game, the closest matches are Idle Fleet, Hamstr Protocol and Cosmic Ascent — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Horizon Idle: A space-themed idle RPG of skilling and crafting. Mine, refine, research, and automate your way from a lone ship to an industrial empire. Level skills to 100, engineer your fleet for auto-battler combat, and Warp to prestige. No energy gates, just numbers that climb forever.
Players who liked Horizon Idle also play
Steam players who put hours into Horizon Idle also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Idle Fleet
WHY THIS
Top pick for Horizon Idle fans by collaborative filtering across millions of Steam libraries. Shares Simulation and RPG with Horizon Idle.
Command a mining fleet that never clocks out. Train 7 skills, automate them with drones, trade on a player-driven market, and forge the legendary Vanguard hull — all server-side, so your fleet keeps working while you sleep. Log in to progress you actually earned.
Hamstr Protocol
WHY THIS
Second-strongest match for Horizon Idle fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Horizon Idle.
Build a hamster-powered bio-mining operation from the ground up. Assemble rigs by hand, manage heat, feed your runners, and keep production moving. Start in a garage, optimize every part of your operation, and scale into a full-scale industrial operation.
Cosmic Ascent
WHY THIS
Third-strongest match for Horizon Idle fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Horizon Idle.
Build and expand an orbital station in this idle/incremental space colony sim. Manage crew, resources, refinery chains, research and ship expeditions as you progress from Earth orbit toward new planets.
Mine & Forge!
WHY THIS
Ranked #4 for Horizon Idle fans by collaborative filtering across millions of Steam libraries. Shares Simulation and RPG with Horizon Idle.
A fantasy incremental game where you mine resources, forge and sell weapons, hire skilled workers, unlock abilities, and automate your growing operation.
Singularity Simulator: Click Is All You Need
WHY THIS
Ranked #5 for Horizon Idle fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Horizon Idle.
A clicker/incremental game where you run an AI development company and aim for the technological singularity. Click to write code, hire researchers, build data centers, and turn the galaxy into computing resources.
Cosmic Clicker
WHY THIS
Ranked #6 for Horizon Idle fans by collaborative filtering across millions of Steam libraries. Shares Simulation and Early Access with Horizon Idle.
Build a cosmic energy empire in this colorful incremental sci-fi game. Click, automate production, unlock technologies, explore distant planets, collect artifacts, raise cosmic pets, and ascend to unlock permanent upgrades.
Mining and Dwarves
WHY THIS
Ranked #7 for Horizon Idle fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Horizon Idle.
An incremental game where you mine rocks, gather ore, and recruit dwarves. Play actively for maximum gains, or idle and let the dwarves do the work.
F.A.R.M.S.: Chill Factory
WHY THIS
Ranked #8 for Horizon Idle fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Horizon Idle.
F.A.R.M.S.: Chill Factory is a relaxed automation sim where you build at your own pace. Design complex lines with the intuitive Link System and Relays. Unlock new tech via the Tech Tree, boost production with your clicks, and manufacture everything from iron to sushi in your ultimate factory!
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. 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?
NGU IDLE
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. 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!
Magic Archery
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. 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.
Outpath: First Journey
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
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!
South Scrimshaw, Part One
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
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.
The Riftbreaker: Prologue
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
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.
The Last Sovereign
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. 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.
DFHack - Dwarf Fortress Modding Engine
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation and RPG with Horizon Idle.
Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.
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Head-to-head comparisons
Frequently asked about Horizon Idle
- What games are most similar to Horizon Idle?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Horizon Idle are Idle Fleet, Hamstr Protocol, Cosmic Ascent.
- Who developed Horizon Idle?
- Horizon Idle was developed by haides.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Horizon Idle.
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