They work in browser, no download necessary.
A retro platformer — run, jump, stomp enemies and grab coins.
A maze chase — gobble pellets, dodge ghosts, grab power pills.
A space shooter — fly, hold fire, blast everything that moves.
A block puzzler — slot falling blocks, clear lines, chase the high score.
The timeless classic — steer the snake, eat, grow, don't bite yourself.
Weave through traffic — switch lanes, dodge cars, go as far as you can.