Kart Bros doesn't take itself too seriously, and that's kind of the whole appeal. Colorful tracks, tight corners built for constant overtaking, and boost pads placed exactly where you'd want to punish someone for taking a wide turn. Races wrap up in a minute or two, so "just one more lap" is a real threat to your entire break.
The drift mechanic is where most of the actual skill lives — hold it too long and you overshoot the corner, let go too early and you lose the speed boost that made drifting worth it in the first place. New players can still keep up thanks to generous boost pads, but the gap between a rushed lap and a clean one becomes obvious fast once you've run the same track a few times.
Controls: Arrow keys or WASD to steer and accelerate, dedicated key to drift.
Tracks reward learning the racing line over multiple runs, but nothing about it feels punishing enough to make a first attempt frustrating. Play Kart Bros at Classroom6x and see how many laps you can actually squeeze into a short break.