Greybox puzzle · six level tickets

Brushwork

Greybox the route, walk it yourself, ring the bell. Six level tickets, a handful of brushes, and a test walker who can't jump.

Seed: —
Best: —
Build: Goes out at 18:00 · 6:30 on the clock
Kernel: manifold 3.5.4 · WebAssembly

Ticket queue

Every edit is a boolean in manifold by Emmett Lalish and contributors (Apache-2.0). Drawn with three.js (MIT). Type: Martian Mono and Sofia Sans Extra Condensed (SIL OFL). Brushes, bell, walker and sound are made in code for this cart.

Onboarding · read once

How to play

Pick a brush from the kit: box, plank, ramp, stairs, arch, cylinder. Each ticket gives you a few.
Set it to ADD to build, or SUB to carve through whatever is there. Doorways, tunnels and windows are just subtractions.
Point at the level and stamp. Aim at a wall's face to stand the brush on the floor; aim at a top to set it on (or dig into) that surface. Every stamp re-runs the boolean, live.
Press P to walk the route as the test walker. Touch the bell rope in the tower to close the ticket.
Spare brushes and a quick walk score more. Six tickets before the 18:00 build; miss it and the build goes out without you.

The walker is 1.80 m tall, climbs steps up to 45 cm and slopes up to 45°. He never jumps or crouches. Water and the void send him back to the start pad.

Action	Keyboard + mouse	Touch
Stamp brush	Click, or `↵`	Tap a spot, tap again or Stamp
Orbit · zoom	Drag · wheel	Drag · pinch
Pick brush	`1`–`5`	Tap the kit
Add ↔ subtract	`X`	ADD / SUB
Rotate	`R`	Rotate button
Raise · lower	`E` · `Q`	Arrow buttons
Nudge brush	Arrow keys	Tap elsewhere
Undo · redo	`Z` · `Y`	Undo · Redo
Walk test	`P`	Walk
Move · look	`WASD` · mouse	Left stick · drag right
Export level	`G`	Pause menu
Pause · mute	`Esc` · `M`	II · speaker

Ticket 01

Priority · blockerFiled by —

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Ticket 01 · closed

Rung.

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Ticket score0

Clock stopped

Paused

Reduce flashing and motion

Sound

Look speed

Controls

Stamp · orbit · zoom	Click · drag · wheel
Brush · mode · rotate	`1`–`5` · `X` · `R`
Height · nudge	`E`/`Q` · arrows
Undo · redo	`Z` · `Y`
Walk test · move	`P` · `WASD` + mouse
Touch	Tap to aim, tap again to stamp · stick + drag in walk

Booleans: manifold (Apache-2.0). Rendering: three.js (MIT). Fonts: Martian Mono, Sofia Sans Extra Condensed (OFL).

18:00 · build

Build shipped

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0best —

Bells: 0/6
Spare brushes: 0
Walk time: 0.0 s
Clock left: 0:00
Stamps: 0
Undos: 0
Falls: 0
Seed: —

Brushwork

Loading the geometry kernel
manifold 3.5.4 · WebAssembly · about 0.5 MB

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Brushwork builds its levels with real solid booleans in WebAssembly and draws them with WebGL 2.