Games like Alien Marauder - Field Manual
Games like Alien Marauder - Field Manual include Oxygen Not Included, RimWorld, Banished, Frostpunk, and This War of Mine. We matched them by the tags players give Alien Marauder - Field Manual on Steam (Strategy, Indie, Simulation, Survival, and RTS): closest matches first, and among equally close ones the better-known games.

Oxygen Not Included
Shared: Survival · Base Building · Colony Sim

RimWorld
Shared: Strategy · Survival · Base Building

Banished
Shared: Strategy · Simulation · Indie

Frostpunk
Shared: Strategy · Survival · Resource Management

This War of Mine
Shared: Survival · Strategy · Singleplayer

They Are Billions
Shared: Strategy · Base Building · Survival

Dawn of Man
Shared: Strategy · Survival · Simulation

Going Medieval
Shared: Strategy · Survival · Base Building

Manor Lords
Shared: Strategy · Simulation · Base Building

Endzone - A World Apart
Shared: Strategy · Survival · Simulation

Kingdoms and Castles
Shared: Strategy · Simulation · Resource Management

Infection Free Zone
Shared: Strategy · Base Building · Survival

Frostpunk 2
Shared: Strategy · Survival · Simulation

Planetbase
Shared: Strategy · Survival · Simulation

Against the Storm
Shared: Strategy · Simulation · Base Building

Dwarf Fortress
Shared: Strategy · Simulation · Base Building

IXION
Shared: Strategy · Survival · Simulation

Creeper World 3: Arc Eternal
Shared: Strategy · Indie · RTS

Space Haven
Shared: Strategy · Survival · Base Building

Workers & Resources: Soviet Republic
Shared: Strategy · Simulation · Base Building

The Last Haven
Shared: Strategy · Indie · Simulation

Empires of the Undergrowth
Shared: Strategy · Simulation · Base Building

Rise to Ruins
Shared: Strategy · Survival · Colony Sim

Ostriv
Shared: Strategy · Simulation · Colony Sim