Join co-op
The host keeps their tab open. Everyone plays the same arsenal.
Options
Required to play. Up to 16 characters.
Choose Performance if the game feels slow. Applies next game.
Controls & co-op
WASD move · Mouse aim · Left click fire · Right click aim/zoom · V cycle sniper zoom while scoped · R reload · F interact/revive · V melee · G grenade · Space jump · C crouch · Shift sprint · 1 or scroll switch weapons · Esc pause/release controls.
T opens chat. Host or solo: start with / for commands such as /points 5000, /give needler or /tp. Tab completes, ↑ recalls, /help lists them all.
The host keeps their game tab open. Send friends the Copy invite link; everyone needs the same arsenal. Use desktop Chrome or Edge with hardware acceleration enabled.
Halo balance is experimental. Some animations and effects are adapted from Black Ops.