Best Serious Sam: The First Encounter Alternatives & Competitors

Hawken is an Action, Free-to-play, FPS, Robots, Science-fiction, Tactical, Futuristic, MMO, Co-Op and Multiplayer video game created and published by Reloaded Games.

Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience.

Unreal is a series of first-person shooter video games developed by Epic Games.

Warface - is a free online shooter with diverse PVP modes, exciting PVE missions, outstanding arsenal and millions of fans around the world!

Rise of the Triad is an Action-Adventure, Role-playing, FPS (First-person Shooter), Open World, Female Protagonist, Science-fiction, Single and Multiplayer video game created by Interceptor Entertainment and Apogee Software.

Call of Duty: Advanced Warfare created by the Sledgehammer Games is a wonderful Action and Thrill packed First Person Shooter and Militaristic thematic.

Sniper Elite V2 is a Fantastic, Action-Adventure, Stealth, Co-op, WWII, First and Third-person Shooter, Tactical, Single and Multiplayer video game created and published by Rebellion.

Deus Ex: Invisible War is an Action-Adventure, Role-playing, FPS (First-person Shooter), Science-Fiction, Stealth, Dystopian, Female Protagonist, and Single-player video game developed by Ion Storm and published by Square Enix.

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Sudden Attack is an Action, Role-playing, Science-fiction, Co-op, FPS (First-person Shooting), and Multiplayer video game created and published by Nexon GT.

Duke Nukem Forever is an Action-Adventure, First-person Shooter, Single and Multiplayer video game developed by 3D Realms and published by 2K Games.

Duke Nukem 3D is an Amazing, Action-Adventure, FPS (First-person Shooter), Single and Multiplayer video game developed by 3D Realms and published by GT Interactive Software.

Perfect Dark is an Awesome, Action-Adventure, Stealth, FPS (First-person Shooter), Single and Multiplayer video game developed by Rare and published by Nintendo.