Games like Orbital Tower Defence
Games like Orbital Tower Defence include Rogue Tower, FTL: Faster Than Light, Vampire Survivors, Plants vs. Zombies GOTY Edition, and Balatro. We matched them by the tags players give Orbital Tower Defence on Steam (Casual, Strategy, Arcade, Roguelike, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Rogue Tower
Shared: Strategy · Casual · Tower Defense

FTL: Faster Than Light
Shared: Strategy · Roguelike · Sci-fi

Vampire Survivors
Shared: Roguelite · Casual · 2D

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

Balatro
Shared: Roguelike · Strategy · Casual

RACCOIN: Coin Pusher Roguelike
Shared: Strategy · Roguelike · Casual

Slots & Daggers
Shared: Casual · Strategy · Roguelike

Nubby's Number Factory
Shared: Strategy · Roguelike · Arcade

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

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

Nodebuster
Shared: Casual · Strategy · Arcade

Outhold
Shared: Strategy · Tower Defense · Casual

SHOOPER NOVA
Shared: Strategy · Casual · Roguelite

Ninja Kiwi Archive
Shared: Casual · Strategy · Arcade

Heretic's Fork
Shared: Strategy · Tower Defense · 2D

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

A Game About Feeding A Black Hole
Shared: Casual · Strategy · 2D

Cluckmech Oasis
Shared: Strategy · Roguelike · Tower Defense

How Many Dudes? The Roguelike Autobattler
Shared: Strategy · Casual · Roguelike

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · 2D

Dungeon of the ENDLESS™
Shared: Strategy · Roguelike · Tower Defense

Crying Suns
Shared: Strategy · Roguelite · Roguelike

Wall World
Shared: Roguelite · Strategy · Roguelike

Bloons TD 5
Shared: Strategy · Tower Defense · Casual