Alienation is an isometric shooter with RPG elements, employing a futuristic setting where the planet Earth is under siege by alien forces. The game aims to offer the players an equally satisfying experience of both single-player campaign and a cooperative multiplayer, where up to 4 players can join together on the field of battle.
The game features 3 playable classes of soldiers, each with their set of weapons, traits, and tactics to work around. Different enemies fight players through every level, with rewarding loot to help the characters, such as new weaponry, which can be further upgraded with individual cores. With the progression in the story, new content becomes available, such as loot hunts and PvP arena for competitive play.
The in-game graphics and physics provide the players with a great deal of immersion on the futuristic battlefield, with explosions trembling the earth, the surroundings crumbling around, stunning the eye with every little detail.