Games like Space War Machine
Games like Space War Machine include Plebby Quest: The Crusades, Mount & Blade II: Bannerlord, The Scroll of Taiwu : Beyond The Dome, Dead Age, and Caster. We matched them by the tags players give Space War Machine on Steam (Indie, Action, Casual, Strategy, and Simulation): closest matches first, and among equally close ones the better-known games.

Plebby Quest: The Crusades
Shared: Indie · Casual · Strategy

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Action

The Scroll of Taiwu : Beyond The Dome
Shared: Indie · RPG · Strategy

Dead Age
Shared: Strategy · RPG · Casual

Caster
Shared: Indie · Action · Casual

Home Behind
Shared: Indie · Adventure · Casual

Touhou Big Big Battle
Shared: Indie · Strategy · Casual

Achievement Clicker
Shared: Indie · Casual · Action

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie

Idle Champions of the Forgotten Realms
Shared: Strategy · Indie · Adventure

Space Pirates And Zombies 2
Shared: Action · Indie · Strategy

Between the Stars
Shared: Action · Indie · Simulation

Plague Inc: Evolved
Shared: Indie · Strategy · Simulation

Game Dev Tycoon
Shared: Indie · Simulation · Strategy

Notes of Soul
Shared: Action · Indie · Adventure

SPORE™
Shared: Simulation · Casual · Action

Juicy Realm
Shared: Indie · Action · Casual

OMON Simulator
Shared: Action · Indie · Simulation

UFO 50
Shared: Indie · Action · Strategy

RADical ROACH Remastered
Shared: Indie · Action · Casual

Dragon Cliff
Shared: Strategy · RPG · Casual

The Escapists
Shared: Strategy · Indie · Action

Cat Quest
Shared: Action · Adventure · Indie

Wobbly Life
Shared: Adventure · Simulation · Casual