Arrows or WASD step you one square. The rival answers with one step of its own, so each keypress advances BOTH snakes. You grow one segment every third step — grow into yourself and you lose. Put your head into the rival and you win.
Drop the sliding block and stack it clean. Perfect cuts keep full width.
Light-cycle duel against the CPU or a friend. Walls and trails are fatal.
Kepler-orbit racing: pick a trajectory, burn, and coast to the next marker.
Hold the station: a rotating turret against eight waves of incoming ships.
A minimax opponent that does not let you win.
Flip and pair. Tracks your best move count.
Merge the tiles and chase 2048.
Six guesses, colour-coded feedback, saved streaks.
