Top Alternatives to Cube 2: Sauerbraten

Counter-Strike is a globally recognized series of multiplayer first-person shooter games. Players engage in strategic team-based combat, with either terrorist or counter-terrorist objectives like bomb defusal or hostage rescue. Known for its competitive esports scene and precise gameplay.

Unreal Tournament is a classic arena first-person shooter series emphasizing fast-paced multiplayer combat. Known for its intense gameplay, diverse weaponry, and iconic maps, it offers a pure and adrenaline-fueled gaming experience in both online and offline modes.

Quake is a landmark series of fast-paced, first-person shooter video games known for its pioneering 3D graphics, intense multiplayer deathmatch, and distinctive dark sci-fi/fantasy blend. It emphasizes speed, skill, and movement.

Call of Duty is a long-running, highly successful first-person shooter video game franchise known for its intense multiplayer action, cinematic single-player campaigns, and diverse settings ranging from historical conflicts to futuristic warfare.

Xonotic is a fast-paced, arena-style first-person shooter with a focus on pure competitive gameplay. It is free, open-source, and offers both single-player and robust multiplayer modes with a variety of weapons and game types.

OpenArena is a free and open-source standalone 3D first-person shooter game. It is a community-developed clone of Quake III Arena, offering fast-paced multiplayer and single-player combat with a variety of weapons and game modes.

Red Eclipse is a fast-paced, free and open-source arena first-person shooter built on the Cube Engine 2. It emphasizes parkour-style movement and mutiplayer action across various game modes, offering a refreshing take on the genre with a sci-fi aesthetic.

AssaultCube is a free, fast-paced, first-person shooter game built on the Cube engine. It offers both online multiplayer and single-player modes, emphasizing tactical gameplay and high performance on various hardware.

Warsow is a fast-paced, open-source arena first-person shooter designed for competitive play. It emphasizes movement, aiming, and strategic gameplay in futuristic environments.

Tremulous is a unique free and open source team-based first-person shooter that seamlessly blends FPS action with real-time strategy elements. Players join one of two opposing teams, Humans or Aliens, each with distinct capabilities and objectives, engaging in fast-paced combat while managing resources and building structures to gain an advantage.

Unvanquished is a fast-paced, open-source, science fiction themed first-person strategy shooter. Players can choose to fight as technologically advanced humans or adaptable alien lifeforms, engaging in intense multiplayer battles where both strategic base building and skilled combat are essential for victory.

Alien Arena is a fast-paced, free-to-play deathmatch style first-person shooter set in a futuristic, science-fiction universe. It emphasizes classic arena combat with a variety of weapons, maps, and game modes, offering both online multiplayer and single-player bot matches for intense action.

TrueCombat: Elite & CQB is a free and open-source tactical first-person shooter mod for the game Enemy Territory, emphasizing realistic combat simulation and intense team-based gameplay in modern-day scenarios.

AU Modern FPS is a free-to-play, browser-based first-person shooter game developed with Unity3D, offering fast-paced multiplayer action directly in your web browser.