Humans barricade, zombies infect · No download · Instant play
Zombie Mod is CS 1.6's most beloved custom mode. A few players spawn as zombies and hunt the humans; every human killed turns into a zombie. Survivors barricade doorways with movable props, stack in defensible spots, and try to outlast the timer. zm_ survival maps and ze_ escape maps each play completely differently.
Play Zombie Mod nowBrowse serversHumans buy weapons and weld or block chokepoints to hold off the horde; zombies use speed and knockback-resistant health to break the line. Survive to the end of the round as a human, or infect everyone as a zombie. Every Combat Skirmish server runs in your browser via WebAssembly — no download, no install, no account. Hit Play to join a live Zombie Mod match in seconds.
We carry 1599 Zombie Mod maps, each with a real overview. Across the public Counter-Strike 1.6 servers we scanned in 2026, the busiest Zombie Mod map reached 32 players online at once. These are the most-played of them.
| Map | Servers seen | Peak players |
|---|---|---|
| zm_dust_world | 139 | 30 |
| zm_deko2 | 133 | 32 |
| zm_foda | 119 | 32 |
| zm_cross | 116 | 31 |
| zm_ice_attack3 | 112 | 32 |
| zm_3rooms | 112 | 31 |
| zm_battleground_foda | 94 | 30 |
| zm_vendetta | 77 | 32 |












Related reading: zombie mod, beginner tips, how a 1999 game runs on a web page and the crosshair generator.