jmapp
Live now
Straight from the matchmaking server · updates on its ownOpen games
Note the code, then type joincode CODE in the game console. Up to 4 players per game.
| Game | Code | Players | |
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Online manor
One shared world that everyone builds together — pick ONLINE MANOR in the mode menu, no code needed. Players are split into rooms of four.
| Room | Players | Present |
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Player contributions
The game is built with its players. From the pause menu, in solo, anyone can report a problem right where they stand, or fix the map themselves and submit the fix. Each one is reviewed in-game, then accepted or declined.
| Date | Type | Map | Author | Status | Message |
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The game
Beat the clock, clear the castleA castle that wants you dead
Medieval halls, crypts and dungeons packed with ridiculous creatures — bats, giant spiders and mummies all want a piece of you.
Speed is your ally
Every level runs on a timer. Hit the objectives — monsters down, keys found — before it hits zero, or start over.
10+ 3D environments
A dozen distinct real-world-inspired settings, each with its own layout, traps and creatures to learn by heart.
Pick your weapon
Several weapons with their own feel and ammo economy — ammo, health and time are all counters you juggle at once.
Music & cinematics
Soundtrack, cutscenes and outrageous sound effects, in the purest late-90s shooter tradition.
Its own C++ engine
Built on a home-made C++/OpenGL engine: BSP tree, lightmaps, lights, cameras, OBJ/ASE loading. The game assets (maps, textures, models, audio) are on GitHub.
Multiplayer
Up to 4 players · in the worksOpen a game, share a code
The host opens a game and gets a six-character code — no O or 0, no I or 1, so it can be dictated over the phone without a mix-up.
Join with the code
Type joincode CODE in the game console and you're in. Open games are listed live on this page, code included.
Straight between machines
Our server only introduces the two players to each other, then goes quiet: the game itself travels directly from machine to machine, never through us.
Still being wired up
The matchmaking server is live and the lobby is public, but the in-game side is under active development — expect rough edges. Some strict routers (roughly one connection in ten, more on 4G) still refuse the direct link.