Games like Deeper Underground
Games like Deeper Underground include RimWorld, Idle Champions of the Forgotten Realms, Oxygen Not Included, Crusader Kings II, and Tower Wizard. We matched them by the tags players give Deeper Underground on Steam (Strategy, Colony Sim, Grand Strategy, Incremental, and 2D): closest matches first, and among equally close ones the better-known games.
RimWorld
Shared: Colony Sim · Strategy · 2D
Idle Champions of the Forgotten Realms
Shared: Strategy · Incremental · Free to Play
Oxygen Not Included
Shared: Colony Sim · 2D · Strategy
Crusader Kings II
Shared: Strategy · Grand Strategy · Singleplayer
Tower Wizard
Shared: Strategy · Incremental · 2D
Manor Lords
Shared: Strategy · Grand Strategy · Colony Sim
Sid Meier’s Civilization® VI
Shared: Strategy · Grand Strategy · Singleplayer
Nodebuster
Shared: Strategy · Incremental · 2D
Crusader Kings III
Shared: Strategy · Grand Strategy · Choices Matter
Songs of Syx
Shared: Colony Sim · Strategy · Grand Strategy
Hearts of Iron IV
Shared: Strategy · Grand Strategy · Singleplayer
Empires of the Undergrowth
Shared: Strategy · Grand Strategy · Colony Sim
Against the Storm
Shared: Strategy · Grand Strategy · Colony Sim
Total War: WARHAMMER III
Shared: Strategy · Grand Strategy · Colorful
FEED THE QUEEN
Shared: Strategy · Colony Sim · Incremental
Kingdom Rush Vengeance - Tower Defense
Shared: Strategy · 2D · Singleplayer
Craft The World
Shared: Colony Sim · Strategy · Crafting
Workers & Resources: Soviet Republic
Shared: Strategy · Grand Strategy · Colony Sim
A Game About Feeding A Black Hole
Shared: Strategy · Incremental · 2D
Age of Conquest IV
Shared: Strategy · Grand Strategy · Free to Play
The Escapists
Shared: Strategy · 2D · Crafting
Prison Architect
Shared: Colony Sim · Strategy · 2D
Stellaris
Shared: Strategy · Grand Strategy · Singleplayer
Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · 2D · Choices Matter