About Hill Climb Racing 2: Adventure
Spin-off of Fingersoft's Hill Climb Racing 2, same chaotic 2D physics. You drive a small vehicle (jeep, monster truck, motorbike) up procedurally generated terrain. Fuel is the constraint, gravity is the boss. Tap the gas to climb hills, tap the brake to stop the truck from flipping at the apex.
This Adventure variant adds multi-level platforms — the track stops being a single side-scrolling line and becomes a vertical puzzle. You can drive off a platform on purpose to skip a long climb, but landing wrong flips the truck. Each stage has hidden coin caches that only appear if you take the slower, harder line.
Vehicle upgrade tree (engine, suspension, tires, 4WD) gives meaningful long-run progression. Without upgrades the third stage is impossible; with full upgrades you can drive the whole campaign in a single sitting.