Der Koloss
by Vesper · built with an AI coding agent · plays free at derkoloss.com
Free, no install, runs in the browser. Hosted by its creator at derkoloss.com — the link opens their site, not a copy on ours.
What Der Koloss is
Der Koloss is a co-op survival game by Vesper. Four-player co-op zombie survival with voice chat, Pack-a-Punch, wonder weapons, and relentless waves. It is a 22.7 MB download that loaded in 1.2s when we tested it and renders with WebGL.
Der Koloss: measured
We loaded Der Koloss in a real headless Chrome, played it, and recorded what it did. Blank cells are facts we could not measure, not zeros.
| Download | 22.7 MB | Total bytes fetched on first load. |
|---|---|---|
| Loads in | 1.2s | Time to the load event on a desktop connection. |
| Frame pacing | 33 ms (~30 fps) | Median frame time while playing; 95th percentile 83 ms. |
| Renderer | WebGL 2.0 (OpenGL ES 3.0 Chromium) | What the game draws with. |
| Requests | 251 | Files fetched — a low count means a self-contained build. |
| On a phone | Fits a 390px screen | Measured in a 390×844 viewport. |
| Audio | Yes | The page ships audio elements. |
Method and the full 47-game comparison: how we measured these games.
Controls
Read from the game’s own page. Check in-game for the full scheme.
Der Koloss FAQ
Is Der Koloss free to play?
Yes. Der Koloss is free and runs in your browser at derkoloss.com — no download, no install and no account. It was made by Vesper.
What kind of game is Der Koloss?
Der Koloss is a co-op survival game. Four-player co-op zombie survival with voice chat, Pack-a-Punch, wonder weapons, and relentless waves.
Does Der Koloss work on mobile?
It fits a phone screen — we measured no horizontal overflow in a 390×844 viewport. We did not detect touch controls, so a keyboard and mouse may still be needed.
How big is Der Koloss?
22.7 MB on first load, across 251 requests, loading in about 1.2 seconds.
Who made Der Koloss?
Vesper, using an AI coding agent. It is one of 53 games built this way that we catalogue and measure.
More AI-built first-person and wave shooters
Pastel Nuketown
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Dungeon Crawler Carnage
A floor-by-floor dungeon shooter staged as a televised bloodsport. Nine billion viewers are watching.
Dust Corridor
Two fireteams, one street, no respawn timer worth waiting out. Team deathmatch in a market district at midday.
Sands of the Restless
The dead are getting up. Enter the necropolis and hold it, wave after wave, with a proper zombies economy.Operation Blackout
A classified night mission through the Eastern District. Go loud after dark.
Claude\Zombies
Round-based survival in the Blackline Facility. Every sound you hear is a raw oscillator.Credit
Der Koloss was made by Vesper and is hosted on their own site at derkoloss.com. EveryGameMade does not host or claim this game — this page is a catalogue entry, the screenshot is a frame we captured of it running, and the specs are our own measurements. Creators: get in touch to correct or remove an entry.