Quake Rooftops Jam: 19 free maps drag a 30-year-old shooter up onto the roof

Thirty years old and the community is still shipping new content for it faster than most live service games manage. Rooftops Jam, the latest Quake map jam, landed this week: 19 maps, a start hub, an original soundtrack, all free, all built around a theme id Software's original designers barely touched. Sky.

Think about it. Classic Quake is corridors, lava, slime and brown brick. You look down a hallway, you look at a floor, you very rarely look up at anything that isn't a ceiling. Mappers naitelveni and sock - yes, that sock, the one behind a good chunk of Arcane Dimensions - picked rooftops as the constraint precisely because the base game never went there. The jam ran from 4 August to 15 September, and the result is a pack where open sky, long sightlines and vertical traversal are the whole point rather than a novelty.

I'll be honest about why this hits me harder than it should. Every movement trick I rely on in CS2 or Valorant has a grandparent in this engine. Strafe jumping, bunny hopping, rocket jumping - Quake invented the vocabulary, and a rooftop map is basically a movement playground. Long gaps you have to air-strafe across, ledges that reward a clean jump, a death pit that's the street below. If a mapper gives Quake verticality, they're giving it the one thing that makes its movement model sing.

The tinkerer in me likes the other half, too. The pack is self-contained with its own game code and targets Ironwail and vkQuake, the two modern source ports serious players actually use. Ironwail in particular is the one I'd point anyone to - it's the performance-focused fork, it respects your refresh rate and it runs a 1996 renderer the way a 2026 GPU deserves. There is no excuse for a hitchy frametime line here. If Quake stutters on your machine, your machine has a problem, and this is a cheap way to find out.

Installing it is the usual Quake drill: grab it from Slipseer, drop the files into a folder called qrtjam inside your Quake directory, and launch your port with -game qrtjam on the command line. If you own Quake on Steam you already have the base files; the 2021 rerelease works too.

The bit that genuinely impresses me is the cadence. Brutalist jams, remix jams, a 22-map deathmatch jam for the 30th anniversary, and now this - the Quake scene produces a full episode's worth of hand-made levels every few months, for free, with no roadmap, no battle pass and no server shutdown waiting at the end. Half the games I cover would kill for that kind of community. The other half would try to monetise it.

I'm spending tonight on the rooftops. Expect a lot of mistimed jumps.

Image: QuakeCon / CC BY 2.0, source: https://commons.wikimedia.org/wiki/File:Quake_III_Arena_Duel_Finals_-_QuakeCon_2003_-_02.jpg