Remember the slot car set on the bedroom carpet? Slotline turns it into an incremental racing career. Squeeze the trigger to send your car round the track: the further you pull it, the more power you get. Take a corner too fast, though, and the car flies out of the slot and waits for a marshal to put it back.
Learn where to lift, then upgrade until you don't have to. Every checkpoint pays Pit Points and every lap pays cash.
Garage parts
Motor rewinds, silicone tyres, traction magnets, brake resistors, gear ratios and more, each showing what it does to your lap time before you buy.
Track upgrades
Clean the rails, boost the power supply, add banked curves and extra sectors.
Ten showroom cars
From the Family Saloon to the Championship Special. Beat the local champion at each venue to move on.
A skill tree
Around 60 skills in six branches, including auto-clickers that learn to lift for the corners on their own.
The stunt show
Career wins open stunt events at a floodlit airfield: drag races, ramp jumps over parked buses, Bullseye stops and brick-wall smashes.
Infinity Mode
Beat everyone and the level caps come off, so you can chase personal bests on every track for as long as you like.
Three cameras
Overview, chase and TV cameras, in rooms finished from every angle.
Earns while you're away
Your auto-clickers keep racing and earning while you're gone.