Garrys Mod 1v1 is niche FPS game create in Source

GMod 1v1 – The ultimate test of aim, reflexes, and strategy in Garry's Mod. Jump into fast-paced 1v1 battles with custom maps and mechanics designed for precise movement, perfect strafing, and intense shootouts. Whether you're perfecting your bhop, outplaying opponents with skillful strafes, or going for insane headshots, GMod 1v1 delivers pure PvP action for competitive players and sharpshooters alike.