Zombie Monster Truck is a stage-based driving game through a post-apocalyptic world: twelve stages of three levels each, with a new vehicle unlocked at every stage.
Upgrades aren't optional — the levels are balanced expecting you to be spending your coins, so a run that fails usually means you skipped an upgrade rather than drove badly.
Twelve, each containing three levels, with a new car unlocked at every stage.
Yes — the levels are balanced expecting steady upgrades, so a run that keeps failing usually means the car is behind rather than the driving is.
Yes — it runs in the browser with nothing to install.