Games like Earth Liberation
Games like Earth Liberation include Aliens: Dark Descent, Natural Selection 2, Infested Planet, Battle Realms: Zen Edition, and Silica. We matched them by the tags players give Earth Liberation on Steam (Strategy, Early Access, Action, RTS, and Aliens): closest matches first, and among equally close ones the better-known games.

Aliens: Dark Descent
Shared: Strategy · Action · RTS

Natural Selection 2
Shared: Strategy · Action · RTS

Infested Planet
Shared: Strategy · Action · RTS

Battle Realms: Zen Edition
Shared: Strategy · Action · RTS

Silica
Shared: Strategy · RTS · Action

Freeman: Guerrilla Warfare
Shared: Strategy · Action · Indie

Iron Marines
Shared: Strategy · RTS · Action

Call to Arms
Shared: Strategy · Action · RTS

Total War: WARHAMMER II
Shared: Strategy · RTS · Action

Total War: WARHAMMER III
Shared: Strategy · RTS · Action

ShellShock Live
Shared: Strategy · Action · Early Access

Men of War: Assault Squad 2
Shared: Strategy · RTS · Action

Tooth and Tail
Shared: Strategy · RTS · Action

Command & Conquer Red Alert™ 2 and Yuri’s Revenge™
Shared: Strategy · Action · RTS

Warhammer 40,000: Dawn of War III
Shared: Strategy · RTS · Action

Halo Wars: Definitive Edition
Shared: Strategy · RTS · Action

WARSHIFT
Shared: Strategy · Action · RTS

Anomaly Warzone Earth
Shared: Strategy · Action · Indie

Defense Grid: The Awakening
Shared: Strategy · Aliens · Indie

RIOT: Civil Unrest
Shared: Strategy · Action · Indie

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Indie · Action

Battle of Empires : 1914-1918
Shared: Strategy · RTS · Action

X-Morph: Defense
Shared: Strategy · Action · Indie

EmergeNYC
Shared: Early Access · Action · Strategy