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Warhammer 40,000: Space Marine (also known as WH40k: Space Marine) is a third-person action video game developed by Relic Entertainment and published by THQ. The gameplay experience focuses on a hybrid shooting and melee combat model.

As a Space Marine, you are given enhanced regenerative abilities and an Iron Halo shield. When health gets low, performing sync kills can allow Titus to get a portion of his health back. You are accompanied by Sidonus and Leandros for most of the missions, though in some instances you will have to go on solo missions.

Sanctum is a 2011 video game that combines the game styles of tower defence and first person shooter. The game runs on the Unreal 3 engine. Coffee Stain Studios was one of the main contestants in the 'Make Something Unreal Contest' by Epic Games in 2009 with the title Sanctum, at that time unreleased.They were among the top runners in the categories of: "Best FPS-game mod", "Best game mod" and the educational category.

Laser Squad Nemesis is a multiplayer turn-based tactics video game.
Players issue orders to a squad of soldiers or aliens. Each turn, the player gives orders to their troops, previews probable effects of those orders, and submits them to the LSN server via the web interface, or through email. Orders are resolved simultaneously after both players have submitted their orders, and the consequences of the round are sent back to both players. The result of the previous turn is viewed in a real time ten-second video, with pause, slow motion and rewind (multiple turns) options.

Nevermore is a third-person slasher that can (well, must) be completed in less than five minutes. It's a freebie that was designed and produced by students of Dadiu, the Danish National Academy of Digital Interactive Entertainement.

Played from an isometric-like perspective, this 3D action/adventure game combines platform, combat and puzzles through the jungles and not-quite-abandoned aztec temples of Yucatan. The game features local and online 2-player coop, but slight differences in gameplay and level design make it possible to play the whole game solo.

An open-source "first-person ego-shooter" (which means Quake-like, and not "self-inflicted shooting simulator" as one may think).

Need for Speed: Undercover is the 12th installment of the popular racing video game series Need for Speed. Undercover features a new open world map consisting of 109 miles (175 km) of road and a large highway system, making it the largest Need for Speed "world" EA had created to date.