Games like Project Martians
Games like Project Martians include Total War: WARHAMMER, Kenshi, Kingdom Heroes 8, Amazing Cultivation Simulator, and The Scroll of Taiwu : Beyond The Dome. We matched them by the tags players give Project Martians on Steam (Colony Sim, Mars, Strategy RPG, Tactical RPG, and Real Time Tactics): closest matches first, and among equally close ones the better-known games.

Total War: WARHAMMER
Shared: Strategy RPG · Strategy · RPG

Kenshi
Shared: Strategy RPG · RPG · Post-apocalyptic

Kingdom Heroes 8
Shared: Tactical RPG · Strategy RPG · Real Time Tactics

Amazing Cultivation Simulator
Shared: Martial Arts · Colony Sim · Strategy

The Scroll of Taiwu : Beyond The Dome
Shared: Martial Arts · RPG · Strategy

觅长生
Shared: Martial Arts · Strategy · RPG

The Banner Saga
Shared: Tactical RPG · Strategy RPG · Strategy

SPORE™
Shared: Colony Sim · God Game · Strategy

RimWorld
Shared: Colony Sim · Strategy · Base Building

Survivalist: Invisible Strain
Shared: Colony Sim · RPG · Post-apocalyptic

Crown and Adventure
Shared: Tactical RPG · Real Time Tactics · Strategy RPG

Heroes' Vow: Three Kingdoms
Shared: Strategy · Strategy RPG · Tactical RPG

JIANGHU CHRONICLES
Shared: Martial Arts · Real Time Tactics · Action-Adventure

The Last Spell
Shared: Strategy · Tactical RPG · Strategy RPG

Symphony of War: The Nephilim Saga
Shared: Tactical RPG · Strategy RPG · RPG

下一站江湖Ⅱ
Shared: Martial Arts · RPG · Colony Sim

SpellForce: Conquest of Eo
Shared: Tactical RPG · Strategy · Strategy RPG

They Are Billions
Shared: Colony Sim · Strategy · Post-apocalyptic

Punch Club 2: Fast Forward
Shared: Martial Arts · Strategy RPG · Tactical RPG

Infection Free Zone
Shared: Post-apocalyptic · Strategy · Colony Sim

Three Kingdoms Mushouden
Shared: Strategy RPG · Tactical RPG · Strategy

Frostpunk
Shared: Colony Sim · Strategy · Post-apocalyptic

Going Medieval
Shared: Colony Sim · Strategy · Base Building

The Walking Dead: No Man's Land
Shared: Tactical RPG · Real Time Tactics · Strategy RPG