NEON PRECINCT

Beat 'em up game maker

The engine and tools are each a single HTML file, so they run as soon as you open them in a browser. Nothing to install, no internet needed.

Try a demo first to see what you can make — Hyakki Yako · OVERTIME

Open the manual

If you're new

1 Quickstart

No art needed — a one-stage game with the sample characters. About 15 minutes.

Manual chapter 1
2 Simple build

A hero · enemy · two stages from your own art, plus title · music · credits. Half a day.

Manual chapter 2
3 Full production

Start from the sample (Hyakki Yako) — boss specials · effects · cutscenes · HUD · difficulty. Several days.

Manual chapter 3 Sample folder

Build order

Sprite ForgeSingle images → character sheet
→
Character ForgeActions · moves · hitboxes · stats
→
Asset ForgeMake items · obstacles, match sizes
→
Stage ForgeBackground · floor · waves, place obstacles · items
→
Game ForgeBundle and build one game file
▶ Play in engineRight away from Character · Stage · Game Forge, without building
The row is the build order; the dotted box can be used any time. Each tool saves a JSON file, and the next tool opens it.

Tools

ToolWhat it doesOutput
Sprite ForgeAssembles single images into a character sheet and cleans them up to pixel rulesCharacter JSON
Character ForgeSets action cells · move timing · hitboxes · stats · special skillsCharacter JSON
Asset ForgeCreates items · obstacles and sets their properties; matches item · obstacle · effect art in position · size next to the heroItem · obstacle JSON
Stage ForgeSets background · floor · enemy waves, and places obstacles · itemsStage JSON
Game ForgeGathers characters · stages, sets title · cutscenes · music · HUD, and buildsGame JSON · one game file (HTML)
OpenBOR ImporterConverts character settings you made yourself for OpenBOR into this engine's character JSON (refine it in Character Forge)Character JSON
ManualQuickstart · simple · full — guides by level, plus a reference of every tool setting and value—
EngineLoad a game JSON or character · stage JSON and play right away—

Demos

GameAbout
Hyakki YakoA samurai cutting down yokai in the night streets of Edo. Two stages · three difficulties — includes the source as the sample
OVERTIMEA boss rush where one cop takes on six bosses in a row. Cutscenes · part battles

Coming soon

Coming in an update  2-player co-op