This was awesome! Luckily I checked the comments first to see that "M" = ";" on QWERTY keyboards.
Very fun and humorous experience overall, I really like how the speed feels when you reach insane gears. The only difficulty I had was with the controls, because my left hand was stretched so far across the keyboard to reach 'W & ;' or 'W & O'. However, it didn't stop me reaching Gear 14 and flying off to space!
It would be interesting to see how a curved-world (Subway Surfer) style shader would feel like on this - to take wide corners at Mach 10!