Games like Planetary Defense Force
Games like Planetary Defense Force include Thronefall, Kingdom Two Crowns, They Are Billions, Bloons TD 6, and Bee Island. We matched them by the tags players give Planetary Defense Force on Steam (Action, Strategy, Tower Defense, Twin Stick Shooter, and Singleplayer): closest matches first, and among equally close ones the better-known games.
Thronefall
Shared: Strategy · Tower Defense · Action
Kingdom Two Crowns
Shared: Tower Defense · Strategy · Singleplayer
They Are Billions
Shared: Strategy · Base Building · Tower Defense
Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer
Bee Island
Shared: Strategy · Tower Defense · Action
Taur
Shared: Strategy · Action · Tower Defense
Mindustry
Shared: Tower Defense · Strategy · Base Building
X-Morph: Defense
Shared: Strategy · Action · Tower Defense
DG2: Defense Grid 2
Shared: Strategy · Action · Tower Defense
Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer
Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Singleplayer
Infested Planet
Shared: Strategy · Action · Tower Defense
Border Pioneer
Shared: Strategy · Tower Defense · Action
Monsters are Coming!
Shared: Action · Tower Defense · Top-Down
Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer
Halo: Spartan Assault
Shared: Action · Singleplayer · Strategy
Age of Empires III: Definitive Edition
Shared: Strategy · Base Building · Singleplayer
Bloons TD 5
Shared: Strategy · Tower Defense · Action
Cities: Skylines
Shared: Strategy · Building · Singleplayer
GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Action
Prison Architect
Shared: Strategy · Building · Base Building
Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer
Creeper World 3: Arc Eternal
Shared: Strategy · Tower Defense · Singleplayer
Rogue Tower
Shared: Strategy · Tower Defense · Casual