Cart Surfer was the mini-game in Club Penguin's mine, and for a generation of players it was the reason to go there. You ride a mine cart around a looping track, leaning into corners, jumping, spinning and doing tricks to build points — then cash them in for coins.
Club Penguin itself closed in 2017, but Cart Surfer survives in browser recreations like this one because the trick system is genuinely good: risk and reward on every corner, and a wipeout if you get greedy.
A mini-game from Club Penguin, played in the mine, where you ride a cart around a track performing tricks for points and coins. It was one of the most popular parts of the game.
Disney closed the original Club Penguin in 2017. Fan recreations of the game and of individual mini-games like Cart Surfer keep parts of it playable.
Yes — a light 2D game with arrow-key controls that runs in the browser with nothing to install.