zm_port_cso — Counter-Strike 1.6 Zombie Mod
Free Zombie Mod · No download · No install · Instant play
zm_port_cso is a Zombie Mod map for Counter-Strike 1.6. As a zm_* map, it joins 697 other zombie-survival maps in that family that we host with a real overview. Over March–July 2026, zm_port_cso showed up on 7 public CS 1.6 servers. This page carries the full zm_port_cso overview image — play it free in your browser, no download, no install.
Play zm_port_cso nowBrowse serversAbout zm_port_cso
“I hope you will enjoy this map! Good luck!”
| Author | Hiubert |
|---|---|
| Category | Zombie Mod |
| Released | June 23, 2013 |
| Downloads | 2,946 |
| File size | 5.4 MB |
| License | CC BY-NC-ND 4.0 |
| Download | zm_port_cso on GameBanana |
| Source | GameBanana |
How zm_port_cso plays
zm_port_cso 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_port_cso
During our March–July 2026 scan of the public master list, zm_port_cso was seen on 7 Counter-Strike 1.6 servers. The servers below ran zm_port_cso 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_port_cso | |
|---|---|---|---|
| ~> [Zombie Engine][Карантин] CSO+LVL+BALANCE <~ | — | July 21, 2026 | Play → |
| Counter-Strike 1.6 server | — | July 20, 2026 | Play → |
| [ZP] Zombie Outbreak Server [CSO+LVL] | — | July 15, 2026 | Play → |
| Zombie [CSO + LvL] | — | July 12, 2026 | Play → |
| [ZM][CSO] Зомби Наступление [LVL + MONEY] | — | June 16, 2026 | Play → |
| [JF]~ZM CSO~ СТАРЫЙ ДОБРЫЙ CSO [18+] © | — | May 11, 2026 | Play → |
| [ZM] ═══НАШЕСТВИЕ ЗОМБИ═══ [CSO+LVL+MONEY] | — | April 20, 2026 | Play → |
See who's playing zm_port_cso right now → — a live list, updated continuously.