Move with the mouse, touch or arrow keys. Bricks take two hits on the tougher rows. Catch falling capsules for a wider paddle, three balls, or slow motion.

Two paddles, one floor: co-op breakout with power-ups and 84 bricks.

Flick a disc off the walls to take down every ring target. Three levels.

Fly a drone through the grid, keep the battery charged and dodge the patrols.

Drop discs through the pegs and hit the centre jackpot within 20 drops.

Five in a row against an AI that scores every candidate move.

Two piles, optimal play. The AI always leaves you a losing position.

A JEPA learns to predict a ball's next position from a latent representation of a frame - never from pixels. It trains in your browser.

Real Newtonian gravity at the real G. Start circular, nudge the planet, and watch the ellipse appear - with live semi-major axis, eccentricity and period.