Games like Inbound UFO
Games like Inbound UFO include Starship Troopers: Terran Command, Aliens: Dark Descent, Defense Grid: The Awakening, XCOM: Enemy Unknown, and Bloons TD 6. We matched them by the tags players give Inbound UFO on Steam (Tower Defense, Real Time Tactics, Strategy, Aliens, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
Starship Troopers: Terran Command
Shared: Strategy · Military · Singleplayer
Aliens: Dark Descent
Shared: Strategy · Real Time Tactics · Aliens
Defense Grid: The Awakening
Shared: Tower Defense · Strategy · Aliens
XCOM: Enemy Unknown
Shared: Strategy · Aliens · Difficult
Bloons TD 6
Shared: Tower Defense · Strategy · Singleplayer
Men of War: Assault Squad 2
Shared: Strategy · Real Time Tactics · Military
Wargame: Red Dragon
Shared: Strategy · Military · Real Time Tactics
Arma Reforger
Shared: Military · Strategy · Realistic
Plague Inc: Evolved
Shared: Strategy · Singleplayer · Indie
FTL: Faster Than Light
Shared: Strategy · Singleplayer · Difficult
Shadow Tactics: Blades of the Shogun
Shared: Strategy · Real Time Tactics · Singleplayer
Call to Arms - Gates of Hell: Ostfront
Shared: Real Time Tactics · Strategy · Singleplayer
X-Morph: Defense
Shared: Tower Defense · Strategy · Aliens
Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Singleplayer
Arma 3
Shared: Military · Action · Realistic
Door Kickers
Shared: Strategy · Singleplayer · Real Time Tactics
DG2: Defense Grid 2
Shared: Tower Defense · Strategy · Real Time Tactics
Door Kickers 2: Task Force North
Shared: Real Time Tactics · Military · Strategy
Sea Power : Naval Combat in the Missile Age
Shared: Strategy · Real Time Tactics · Military
Infested Planet
Shared: Tower Defense · Strategy · Aliens
Taur
Shared: Tower Defense · Strategy · Real Time Tactics
GemCraft - Chasing Shadows
Shared: Tower Defense · Strategy · Singleplayer
911 Operator
Shared: Strategy · Singleplayer · Real Time Tactics
Kingdom Rush Origins - Tower Defense
Shared: Tower Defense · Strategy · Difficult