About Lane Eight

Dive off the block, tap your strokes in rhythm and out-touch seven rivals in a glittering Olympic pool.

On a computer: Alternate Left and Right arrows to stroke, Space to dive, C to switch camera
On a phone: Swipe up to dive, tap left and right in turn to stroke, tap camera icon

Margianna described this game in a sentence on OhMyGames and the AI built it. You can make your own the same way, free to start.