Games like Eternal Siege
Games like Eternal Siege include Aliens: Dark Descent, Kingdom Rush - Tower Defense, Thronefall, Kingdom Rush Origins - Tower Defense, and DG2: Defense Grid 2. We matched them by the tags players give Eternal Siege on Steam (Tower Defense, Action, Strategy, Replay Value, and Singleplayer): closest matches first, and among equally close ones the better-known games.
Aliens: Dark Descent
Shared: Strategy · Action · Tactical
Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Singleplayer
Thronefall
Shared: Tower Defense · Strategy · Action
Kingdom Rush Origins - Tower Defense
Shared: Tower Defense · Strategy · Singleplayer
DG2: Defense Grid 2
Shared: Tower Defense · Action · Strategy
Door Kickers
Shared: Strategy · Action · Tactical
Starship Troopers: Terran Command
Shared: Strategy · Singleplayer · Tactical
Cities: Skylines
Shared: Strategy · Building · Singleplayer
GemCraft - Chasing Shadows
Shared: Tower Defense · Strategy · Action
Bloons TD 6
Shared: Tower Defense · Strategy · Singleplayer
Dome Keeper
Shared: Action · Singleplayer · Tower Defense
Artisan TD
Shared: Tower Defense · Strategy · Building
Infested Planet
Shared: Tower Defense · Strategy · Action
Dungeon Defenders
Shared: Tower Defense · Strategy · Singleplayer
Kingdom Rush 5: Alliance TD
Shared: Tower Defense · Strategy · Singleplayer
Creeper World 4
Shared: Tower Defense · Building · Strategy
Kingdom Two Crowns
Shared: Tower Defense · Building · Singleplayer
Jurassic World Evolution
Shared: Building · Strategy · Singleplayer
Taur
Shared: Tower Defense · Action · Strategy
Dungeon Warfare
Shared: Tower Defense · Strategy · Singleplayer
XCOM: Enemy Unknown
Shared: Strategy · Tactical · Singleplayer
Defense Grid: The Awakening
Shared: Tower Defense · Strategy · Singleplayer
Mindustry
Shared: Tower Defense · Strategy · Resource Management
FTL: Faster Than Light
Shared: Strategy · Singleplayer · Replay Value