Warhammer 40,000: Kill Team is an Action, Co-op, Shooter, Single-player, and Multiplayer video game developed by Sega. Throughout the game, the player has to complete a vital mission of assaulting a gigantic Ork commanded by an imperial force. The player chooses a space marine and some weapon class to battle the enemies.

The game has two playable modes, such as solo mode and team mode. In the solo mode, the player has to battle alone, but in the team mode, the player has to form a co-op team of two players. In this mode, the player shares the same screen to help the partner survive in the battle. While playing the game, the player views the environment from an isometric angle.

Four Space Marine classes are playable in this adventure, such as Sternguard Veteran, Techmarine, Vanguard Veteran, and Librarian. Each of the classes has many strengths, and the player can upgrade their skills after progression. The game has core features such as Four Classes, Team Mode, Upgrades, Isometric Angle, and Weapons.