A motorbike is the hardest vehicle to fake in a game, because the whole thing is balance. Most browser bike games solve that by not simulating it — the bike is a car sprite that tilts. Both of these do it properly, which is why they feel different from each other.
Moto Titans is the road one. Lean is a physical state rather than a steering input, so counter-steering, wheelies, stoppies and the occasional lowside fall out of the model instead of being animations somebody drew. Three laps of an alpine pass at blue hour against three other riders, and grabbing the brake mid-corner puts you on the tarmac exactly as it would in life.
Trail Blitz is the dirt one. Six circuits, five rivals and a rocket start, with loose surface under the tyres and a turbo you earn by sliding the bends rather than by collecting a pickup. It is the more forgiving of the two and the faster to get good at.
Both run unblocked in a tab with nothing to install, and both work on a phone — though a bike game is one of the few where a keyboard genuinely helps, because the inputs are analogue and a thumb is not.

