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Games like Unholy Heights | IndieDex

Unholy Heights
Games like Unholy Heights

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like Unholy Heights

A light sim combining monster apartments and tower defense, starring a devil landlord, with a day/night rhythm and slow-burn pacing.

Deck of Haunts
Play as a malevolent haunted house in this strategy sim, building and expanding your mansion to lure, terrify, and drain humans.
2025-05-07
- Adventure
- Horror

Strategy

Bird view / Isometric

Indie

Simulator

Spirits of the Hellements - TD cover art

Spirits of the Hellements - TD

A single-player tower defense game where you shape the battlefield with Fire, Lightning, and Wind tiles to build mazes and trap Hell hordes, with strategic depth and roughly 12 hours of play.

2022-04-28

Action
Strategy
Fantasy
Bird view / Isometric
Tactical
Indie
Sandbox

Touhou Monster TD ~ 幻想乡妖怪塔防 cover art

Touhou Monster TD ~ 幻想乡妖怪塔防

A single-player Touhou fangame tower defense in Gensokyo with repositionable towers, character leveling, and a compact campaign (median ~8 hours among sampled reviewers).

2021-10-01

Action
Strategy
Fantasy
Bird view / Isometric
Indie
Real Time Strategy (RTS)

Abyss Manager Idle cover art

Abyss Manager Idle

A short, addictive idle tower defense game about assigning character jobs and excavating floors, typically finished in about three hours.

2026-01-26

Strategy
Indie
Simulator

Dungeon Tycoon: Prologue cover art

Dungeon Tycoon: Prologue

A free strategy/simulation prologue about building an evil dungeon to attract heroes and profit from their exploration, offering a fun and compact introductory slice.

2024-07-29

Rogue Monster Rush cover art

Rogue Monster Rush

A monster-collecting roguelite tower defense where you command upgraded defenders and cast spells against robot hordes, balancing grind with rewarding progression.

2026-03-07

Strategy
Bird view / Isometric
Indie

Endgame of Devil cover art

Endgame of Devil

A casual roguelike strategy RPG about commanding minions and auto-battling adventurers through replayable, short-burst runs.

2023-04-08

Strategy
Fantasy
Indie
Role-playing (RPG)

Mob Factory cover art

Mob Factory

A laid-back tower-defense automation game where you smelt loot to build turrets and factories and automate dungeon expansion, offering a compact ~3-hour experience.

2023-11-09

Strategy
Fantasy
Bird view / Isometric
Simulator
Sandbox

Heretic's Fork cover art

Heretic's Fork

A single-player deck-building tower defense set in Hell, where you build towers to punish waves of sinners—clever and darkly humorous, though reviews note repetition over a 20+ hour playthrough.

2023-09-13

Action
Comedy
Strategy
Bird view / Isometric
Indie
Arcade
Card & Board Game

Islets Defense cover art

Islets Defense

A turn-based tower defense and village-builder that rewards careful planning and card play, with a moderate-length campaign.

2025-06-18

Comedy
Strategy
Bird view / Isometric
Turn-based strategy (TBS)

Naheulbeuk's Dungeon Master cover art

Naheulbeuk's Dungeon Master

A satirical single-player strategy sim about building and defending a dungeon tower, with a funny, voice-acted story and a moderately long campaign (median ~27 hours among reviewers).

2023-11-15

Strategy
Bird view / Isometric
Simulator
Sandbox

Demon Castle Story cover art

Demon Castle Story

A casual single-player dungeon-management sim centered on building and running a demon castle, with light strategy and reviewer playtimes typically spanning 16–28 hours.

2026-02-08

Strategy
Bird view / Isometric
Indie
Simulator
Role-playing (RPG)