Single-player games like Unholy Heights
Below are 10 single-player Steam games similar to Unholy Heights, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Unholy Heights page.
Ranked picks
- 1

Towers & Goblins: The Last Stand
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Strategy and Indie with Unholy Heights.
Build towers, manage resources, and lead units to defend your kingdom against goblins. Every decision you make determines your kingdom's fate.
- 2

MARS
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Strategy and Simulation with Unholy Heights.
Survival is temporary. Legacy is forever. Rule the last colony on Mars in this RTS x Colony Sim. Build domes for colonists as they harvest crops to survive, and command Mech armies against endless Marsect swarms. With hostile enemies and climate threatening your expedition, every choice matters.
- 3

ExoColony: Planet Survival
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Strategy and Indie with Unholy Heights.
Challenging space-colony sim. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply. Maintain a breathable atmosphere, tackle pollution, and refine materials to build essential structures. Terraform planet and build ecosystem to make it your new home.
- 4

GUILDMAKER
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Strategy and Indie with Unholy Heights.
Run a guild of valiant, procedurally generated adventurers who fight, trade, craft, and do quests on their own. Do your best as their guildmaster to provide them a place to rest and thrive, and restore an old guild to its former glory.
- 5

Cozy Garden
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Strategy and Simulation with Unholy Heights.
A relaxing farming sim where you manage adorable creatures that grow crops, gather resources, and build your cozy garden right at the bottom of your screen.
- 6

MuMu get to Work
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Strategy and Indie with Unholy Heights.
This is a simulation management and home-building game where you can raise all sorts of slimes. These slimes will cultivate farmland, bake bread, and produce various unique goods. Plan your shops to sell goods to customers and earn plenty of coins. As your wealth accumulates, build your own town.
- 7

Alien Land
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Strategy and Indie with Unholy Heights.
This is a special simulation tower defense game, where you need to command each citizen to build a base. To produce food, one also needs to resist monsters from the night.if you want to pass the level, it has a certain difficulty and requires you to have a certain strategy and observation rules.
- 8

Dubai Builder
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Strategy and Indie with Unholy Heights.
Dubai Builder is a strategy game in which you build, develop and manage a city in the desert and are responsible for all aspects related to it and struggle with difficult climatic conditions.
- 9

Terraria
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Indie with Unholy Heights.
Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!
- 10

GNOSIA
Single-player alternative to Unholy Heights — playable solo, no multiplayer required. Shares Indie and Simulation with Unholy Heights.
The Gnosia lie. Pretending to be human, they’ll get in close, trick and deceive, and then eliminate one victim at a time...