Games like Anomaly 2
Games like Anomaly 2 include Infested Planet, STAR WARS™ Empire at War - Gold Pack, Warhammer 40,000: Dawn of War III, Bloons TD 6, and Aliens: Dark Descent. We matched them by the tags players give Anomaly 2 on Steam (Strategy, Action, Indie, Tower Defense, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Infested Planet
Shared: Strategy · Action · Tower Defense

STAR WARS™ Empire at War - Gold Pack
Shared: Strategy · Sci-fi · RTS

Warhammer 40,000: Dawn of War III
Shared: Strategy · Action · Sci-fi

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Aliens: Dark Descent
Shared: Strategy · Action · Sci-fi

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

Anomaly Warzone Earth
Shared: Strategy · Indie · Action

Taur
Shared: Strategy · Action · Tower Defense

Sanctum 2
Shared: Strategy · Tower Defense · Action

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Indie

Warhammer 40,000: Dawn of War II - Anniversary Edition (Classic)
Shared: Strategy · Sci-fi · RTS

Dota 2
Shared: Strategy · Multiplayer · Action

Natural Selection 2
Shared: Strategy · Action · Multiplayer

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

Warhammer 40,000: Dawn of War - Anniversary Edition (Classic)
Shared: Strategy · Sci-fi · RTS

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

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

Door Kickers
Shared: Strategy · Action · Indie

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

Orcs Must Die! 2
Shared: Action · Strategy · Tower Defense

Halo Wars: Definitive Edition
Shared: Strategy · RTS · Sci-fi

Company of Heroes 2
Shared: Strategy · Multiplayer · RTS

Dungeon Defenders
Shared: Strategy · Tower Defense · Multiplayer

DG2: Defense Grid 2
Shared: Strategy · Action · Tower Defense