Games like Get Off My Space!
Games like Get Off My Space! include BALL x PIT, Aliens: Dark Descent, Creeper World 4, Bloons TD 6, and Infested Planet. We matched them by the tags players give Get Off My Space! on Steam (Action, Casual, Strategy, Arcade, and RTS): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Action · Arcade · Bullet Hell

Aliens: Dark Descent
Shared: Action · Strategy · RTS

Creeper World 4
Shared: Tower Defense · RTS · Strategy

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Infested Planet
Shared: Action · Strategy · Tower Defense

SHOOPER NOVA
Shared: Strategy · Casual · Action

Thronefall
Shared: Strategy · Action · Tower Defense

Goobies
Shared: Casual · Action · Bullet Hell

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

Cluckmech Oasis
Shared: Strategy · Tower Defense · Action

Deep Rock Galactic: Survivor
Shared: Bullet Hell · Action · Top-Down Shooter

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

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

Bloons TD 5
Shared: Strategy · Action · Tower Defense

Anomaly Warzone Earth
Shared: Strategy · Action · Tower Defense

Monsters are Coming!
Shared: Action · Tower Defense · Bullet Hell

Rock 'N' Roll Defense
Shared: Casual · Strategy · Action

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

Vampire Survivors
Shared: Bullet Hell · Casual · Action

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

Taur
Shared: Action · Strategy · Tower Defense

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

Bee Island
Shared: Strategy · Tower Defense · Action

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade