Games like Idle Towers
Games like Idle Towers include RimWorld, Oxygen Not Included, They Are Billions, Manor Lords, and The Riftbreaker. We matched them by the tags players give Idle Towers on Steam (Idler, Tower Defense, Auto Battler, Survival, and Perma Death): closest matches first, and among equally close ones the better-known games.
RimWorld
Shared: Survival · Base Building · Management
Oxygen Not Included
Shared: Survival · Base Building · Management
They Are Billions
Shared: Survival · Tower Defense · Base Building
Manor Lords
Shared: Base Building · Strategy · Simulation
The Riftbreaker
Shared: Tower Defense · Survival · Base Building
Frostpunk
Shared: Survival · Strategy · Base Building
This War of Mine
Shared: Survival · Strategy · Base Building
Space Engineers
Shared: Survival · Physics · Simulation
Rise to Ruins
Shared: Tower Defense · Survival · Strategy
Stranded: Alien Dawn
Shared: Survival · Base Building · Simulation
Until We Die
Shared: Survival · Tower Defense · Base Building
Cookie Clicker
Shared: Idler · Management · Indie
Infection Free Zone
Shared: Base Building · Survival · Management
Kenshi
Shared: Survival · Simulation · Management
Dwarf Fortress
Shared: Base Building · Survival · Simulation
Kingdoms and Castles
Shared: Management · Simulation · Strategy
Factorio
Shared: Base Building · Survival · Management
Grim Nights
Shared: Tower Defense · Survival · Base Building
Going Medieval
Shared: Survival · Base Building · Management
Sheltered
Shared: Survival · Base Building · Management
Space Haven
Shared: Survival · Base Building · Management
Against the Storm
Shared: Simulation · Base Building · Strategy
Kingdom Two Crowns
Shared: Tower Defense · Base Building · Survival
Endzone - A World Apart
Shared: Survival · Base Building · Strategy