Alien Swarm
X-COM: UFO Defense
Alien Shooter
The Bureau: XCOM Declassified
Anomaly: Warzone Earth
XCOM: Enemy Unknown
Xenonauts
XCOM® 2
Squad
X-Morph: Defense
Xenonauts 2
Red Solstice 2: Survivors
Phoenix Point
Aliens: Fireteam Elite
Alien Removal Division
Made by Conor Roberts