JUNKYARD
JUMPERS
QUESTIONABLE ENGINEERING.
EXCELLENT ADVENTURES.
YOUR INVENTION
MEET YOUR TEST DRIVERGus is cautiously optimistic.
01
YOUR FIRST QUESTIONABLE IDEA

The Great Gap

One ramp. An 11 m gap. What could go wrong?

GET GUS
HOME↗
Warming up the workshop…

Gus is finding his helmet.

FIELD TEST COMPLETE
↗

A glorious almost.

DELIVERY
AIR TIME
STARS

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GUS’S DELIVERY ROUTE

Small wheels.
Big adventures.

Eight courses. Twenty-four stars. One very brave driver.

Reach each garage to unlock the next course. Stars count when you finish safely. Earn a Tinkerer badge by finishing within a course’s bolt target.

More 3D adventures →
A CRASH COURSE

Try. Crash.
Tinker. Repeat.

  1. Build your invention. Pick a part, then tap a mount. Fit wheels to both axles. You have 8 bolts to spend.
  2. Launch and time your tricks. Wheels drive automatically. Fire rockets near the ramp; use springs while touching the ground. Balloons always work.
  3. Get Gus into the garage. Stars are an extra challenge. A crash is just a reason to try another idea.

Keyboard: Space rocket · S spring · P pause · R rebuild.