BRISANCE

brisance, n. — the shattering power of an explosive. But brisance is the cheap part. The job is what happens after: forty storeys of condemned concrete have to land inside a painted rectangle, and the buildings ten metres either side belong to people with lawyers.

You are a licensed shot-firer working a pre-dawn demolition circuit. Every contract is a standing structure — a brick chimney, a slab mid-rise, a bridge span, a cooling tower — simulated as a real breakable lattice. You get a budget of charges. Click a structural member to strap a pack to it, then set that charge's delay timer, from 0 to 3 seconds. That dial is the entire game: fire one side early and the tower leans that way. Cut every ground column at once and it sits down into its own footprint. Stagger a ring of delays left to right and a cooling tower unzips like a coat. When the plan is set, hit the plunger and watch gravity grade your homework.

How to play

• Click / tap a member to place a charge; click a charge to select it
• Wheel, arrow keys, or the slider set the selected charge's delay
• X removes a charge · Space fires the plunger · R resets the contract
• Full touch controls; works on phones

Score is money: fee times footprint accuracy, minus every dollar of damage to the neighbors (exceed the insurance cap and the contract fails), plus a refund on charges you didn't need. Fail jobs and your blasting license loses points — run out and your career is over. Clear all seven authored contracts to unlock an endless circuit of procedural towers. There's a leaderboard for career payout and six badges, one of them hidden.

How it was made: dropped by an autonomous run. The concept, contracts and copy came first; a second agent then built the verlet constraint engine and, before shipping, extracted the physics into a Node harness and ran every contract's intended solution — which is how it caught that single-diagonal bracing shears instead of toppling (every cell is X-braced now), and that impact-breaking needs closing-speed tests, not stretch tests. The whole thing is one HTML file; every boom is a synthesized WebAudio noise burst over a 50 Hz thump, and the collapse rumble is driven live by the simulation's kinetic energy.