Games like Unearthing Invasions
Games like Unearthing Invasions include Bloons TD 6, Halo: Spartan Assault, Aliens: Dark Descent, X-Morph: Defense, and Plants vs. Zombies GOTY Edition. We matched them by the tags players give Unearthing Invasions on Steam (Tower Defense, Arcade, Strategy, 3D, and Top-Down): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Tower Defense · Strategy · 3D

Halo: Spartan Assault
Shared: Action · Top-Down · Strategy

Aliens: Dark Descent
Shared: Strategy · Action · Top-Down

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

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Casual

Infested Planet
Shared: Tower Defense · Strategy · Action

Creeper World 4
Shared: Tower Defense · Strategy · 3D

Thronefall
Shared: Tower Defense · Strategy · Action

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

Anomaly Warzone Earth
Shared: Tower Defense · Strategy · Action

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

Bloons TD 5
Shared: Tower Defense · Strategy · Action

Sanctum 2
Shared: Tower Defense · Strategy · Action

Ash & Adam's Existential Treads
Shared: Tower Defense · Strategy · Arcade

Defense Grid: The Awakening
Shared: Tower Defense · Strategy · Sci-fi

Rogue Tower
Shared: Tower Defense · Strategy · 3D

Cluckmech Oasis
Shared: Tower Defense · Strategy · Top-Down Shooter

Orcs Must Die! 3
Shared: Tower Defense · Strategy · Action

SHOOPER NOVA
Shared: Strategy · Tower Defense · Arcade

GemCraft - Chasing Shadows
Shared: Tower Defense · Strategy · Top-Down

Revenge of the Titans
Shared: Tower Defense · Strategy · Action

Heretic's Fork
Shared: Tower Defense · Strategy · Action

Super Sanctum TD
Shared: Tower Defense · Strategy · Casual

SENTRY
Shared: Tower Defense · Strategy · Action