zm_lambda — Counter-Strike 1.6 Zombie Mod
Free Zombie Mod · No download · No install · Instant play
zm_lambda is a Counter-Strike 1.6 Zombie Mod map. It belongs to the zm_* zombie-survival family; we carry 1073 zm_* maps in all, each with a genuine overview. Our March–July 2026 sweep of public CS 1.6 servers found zm_lambda live on 4 of them, peaking at 6 players at once. The full zm_lambda overview is on this page; play it free right in your browser, no install needed.
Play zm_lambda nowBrowse serversAbout zm_lambda
“This map is from the campaign of Half-Life 1 we have decied to take the .rmf and make some changes for Zombie Plague, its pretty suitable for ZP mods with Sandbags to block zombies.”
| Author | Nymph18 |
|---|---|
| Category | Zombie Mod |
| Released | July 16, 2024 |
| Downloads | 130 |
| File size | 2.8 MB |
| License | CC BY-NC-ND 4.0 |
| Download | zm_lambda on GameBanana |
| Source | GameBanana |
How zm_lambda plays
zm_lambda 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_lambda
In our 2026 scan of the public master list, zm_lambda was seen on 4 Counter-Strike 1.6 server(s), with as many as 6 players on at once. The servers below ran zm_lambda 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 | |
|---|---|---|---|
| [ZM] Zombie Plague Classic | — | July 20, 2026 | Play → |
| # [ZM] RUSSIAN ZOMBIE CLASSIC ©2026 | CS-DREAM | up to 6 | July 16, 2026 | Play → |
| Zombie Plague Classic | — | July 8, 2026 | Play → |
| ZOMBIE CLASSIC | up to 5 | March 18, 2026 | Play → |
See who's playing zm_lambda right now → — a live list, updated continuously.
More on this: whether anyone still plays, zombie mod and why this is not a "browser game".