Instructions
Girder Gambit
Lay road, wood and steel across ten canyons inside a budget, then roll a truck over your work. Stress colours show the weak beams. Whatever you do not spend is your score.
- Year
- 2007
- Era
- Flash Era
- Genre
- Physics / Bridge Builder
Free, no sign-up. Keyboard, touch or gamepad.
How to play
- Drag from joint to joint to lay a beam (or tap a joint, then tap where it ends).
- Pick ROAD, WOOD or STEEL on the bar, UNDO, then TEST.
- Keys: arrows move the cursor, Space starts and ends a beam, X undoes, Enter tests.
- P to pause.
On touch
- Drag between joints to build.
- Tap the bar to pick a material, UNDO or TEST.
Every run starts on the title screen. Pause any time with P or the pause button; calm mode removes flashes and screen shake.
Maker’s note
A small live truss solver: every beam is a spring with a strength, and the truck weighs on the road beams it crosses. The canyons are generated from a seed, so a run can be replayed and checked. Triangles carry load, steel is dear, and the budget you keep is the score.
The Eracade workshop
Target scores
- 1300
- 2800
- 31,500
- 42,500
- 53,500
- 64,500
- 75,500
- 86,500
Each target is a step up. Beat them all and you have outplayed the workshop.
The Flash Era era, 2005–2011
Glossy buttons, physics toys and a loading bar that was always worth the wait.
High scores
The top ten runs are saved in this browser with your three initials. Nothing is uploaded unless you submit a ranked run, so clearing site data clears the table.
