Urban Terror is a free, multiplayer, first person tactical shooter video game. Known for its fast-paced gameplay, diverse game modes, and realistic weapons, it emphasizes teamwork, strategy, and player skill over simple run and gun game tactics. Urban Terror is a cross platform game made available for Windows, Mac, and Linux, and can also be run as a portable game direct from a USB drive.
Alien Arena is a free online first person shooter (FPS) game that can be made completely portable by running it from a USB flash drive. This lightweight, standalone arena shooter combines elements of classic FPS games like Quake III Arena and Unreal Tournament, while introducing its own original features, retro sci-fi style, and unique alien themed gameplay. With its blend of fast-paced multiplayer action, futuristic settings, and portability, Alien Arena is perfect for gamers who want to enjoy a classic deathmatch experience anywhere without needing to install large modern shooters.
Nexuiz is a lightweight and portable arena shooter that combines classic FPS gameplay with surprisingly solid visuals. Unlike many modern shooters that demand high end hardware, this first person shooter game runs smoothly even on older systems, and best of all, it's completely free and open source.
Warsow is a free and fast-paced first-person shooter (FPS) game that emphasizes skill-based movement and competitive multiplayer action. With its lightweight design, portable install, and cel-shaded visuals, it's a standout choice for fans of classic arena shooters like Xonotic, Quake, or Doom.