zm_underworld2k — Counter-Strike 1.6 Zombie Mod
Free Zombie Mod · No download · No install · Instant play
zm_underworld2k is a Zombie Mod map for Counter-Strike 1.6. It belongs to the zm_* zombie-survival family; we carry 698 zm_* maps in all, each with a genuine overview. Over March–July 2026, zm_underworld2k showed up on 2 public CS 1.6 servers. This page carries the full zm_underworld2k overview image — play it free in your browser, no download, no install.
Play zm_underworld2k nowBrowse serversAbout zm_underworld2k
“Map made by me based on underworld movie, thanks for download it”
| Author | D2U2 |
|---|---|
| Category | Zombie Mod |
| Released | April 2, 2016 |
| Downloads | 2,541 |
| File size | 374 KB |
| License | CC BY-NC-ND 4.0 |
| Download | zm_underworld2k on GameBanana |
| Source | GameBanana |
How zm_underworld2k plays
zm_underworld2k 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_underworld2k
During our March–July 2026 scan of the public master list, zm_underworld2k was seen on 2 Counter-Strike 1.6 servers. The servers below ran zm_underworld2k 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_underworld2k | |
|---|---|---|---|
| [ZM] Counter-Strike Online (CSO MOD) | — | July 21, 2026 | Play → |
| [ZP] Zombie Outbreak Server [CSO+LVL] | — | July 21, 2026 | Play → |
See who's playing zm_underworld2k right now → — a live list, updated continuously.