Games like Deep Among the Swarm
Games like Deep Among the Swarm include They Are Billions, Frostpunk, Tower Dominion, Oxygen Not Included, and The King is Watching. We matched them by the tags players give Deep Among the Swarm on Steam (RTS, Base Building, Tower Defense, Survival, and Roguelite): closest matches first, and among equally close ones the better-known games.

They Are Billions
Shared: Base Building · RTS · Survival

Frostpunk
Shared: Survival · Strategy · Resource Management

Tower Dominion
Shared: Tower Defense · Base Building · RTS

Oxygen Not Included
Shared: Base Building · Survival · Resource Management

The King is Watching
Shared: Base Building · RTS · Tower Defense

Creeper World 3: Arc Eternal
Shared: Tower Defense · RTS · Strategy

Mindustry
Shared: Base Building · Tower Defense · RTS

This War of Mine
Shared: Survival · Base Building · Strategy

RimWorld
Shared: Base Building · Survival · Strategy

Infection Free Zone
Shared: Base Building · RTS · Strategy

From Glory To Goo
Shared: RTS · Tower Defense · Base Building

Against the Storm
Shared: Base Building · Strategy · Simulation

The Riftbreaker
Shared: Base Building · Tower Defense · Survival

Manor Lords
Shared: Base Building · Strategy · Simulation

Factorio
Shared: Base Building · Resource Management · Strategy

Frostpunk 2
Shared: Survival · Strategy · Resource Management

Diplomacy is Not an Option
Shared: Base Building · RTS · Resource Management

Endzone - A World Apart
Shared: Survival · Base Building · Strategy

Kingdom: New Lands
Shared: Base Building · Tower Defense · Survival

Tower Factory
Shared: Tower Defense · RTS · Strategy

IXION
Shared: Survival · Strategy · Base Building

Dwarf Fortress
Shared: Base Building · Strategy · Simulation

Kingdom Two Crowns
Shared: Tower Defense · Base Building · Strategy

Rise to Ruins
Shared: Tower Defense · Survival · Base Building