zm_anthrax — Counter-Strike 1.6 Zombie Mod
Free Zombie Mod · No download · No install · Instant play
zm_anthrax is a Counter-Strike 1.6 Zombie Mod map. It sits in the zm_* family of zombie-survival maps — one of 698 zm_* maps here with a real overview. Over March–July 2026, zm_anthrax showed up on 9 public CS 1.6 servers, and player counts reached 19 at their busiest. You'll find the full zm_anthrax overview here — play it free in the browser, nothing to download or install.
Play zm_anthrax nowBrowse serversHow zm_anthrax plays
zm_anthrax is a Zombie Mod map. Humans 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. On Combat Skirmish it runs directly in your browser through WebAssembly — click Play and you are dropped straight onto a live public server, no Steam account or download required.
Counter-Strike 1.6 servers that play zm_anthrax
During our March–July 2026 scan of the public master list, zm_anthrax was seen on 9 Counter-Strike 1.6 servers, with as many as 19 players on at once. The servers below ran zm_anthrax at some point in that window — ordered by how recently we last saw them on it (shown in Last seen). A server may be on another map right now; clicking Play connects you to it as it is, straight from your browser — no Steam, no download.
| Server | Peak players | Last seen on zm_anthrax | |
|---|---|---|---|
| Counter-Strike 1.6 server | up to 19 | July 21, 2026 | Play → |
| Counter-Strike 1.6 server | — | July 21, 2026 | Play → |
| Zombie Plague UltimateX | — | July 19, 2026 | Play → |
| Zombie Plague UltimateX | up to 10 | July 14, 2026 | Play → |
| OSCAR.LEGENDARY-GAMING 亗 KINGS-AREA » PUBLIC | up to 19 | July 9, 2026 | Play → |
| OSCAR.LEGENDARY-GAMING 亗 KINGS-AREA » PUBLIC | up to 11 | July 2, 2026 | Play → |
See who's playing zm_anthrax right now → — a live list, updated continuously.