Build a bridge that holds

1. Drag from an anchor or joint to add a beam. Or click, then click again to keep building.
2. Build a connected road from bank to bank for the car to drive across.
3. Make triangles from wood or steel. A square can fold up; a triangle stays strong.
4. Hit TEST. Green means safe, red means about to snap.

1–4 material · E demolish · Ctrl Z undo · space test · right-click a beam = remove