Gumball Bros World

You move with the arrow keys, running and jumping across platforms while collecting coins scattered throughout the stage. The main goal is simply to reach the end of each level. Along the way, enemies like Goombas patrol the paths; you can jump on them to defeat them, or sometimes avoid them altogether. The pacing is quick, and the difficulty comes from well timed jumps and learning the layout of the obstacles. It feels like a brisk, uncomplicated challenge from that era of browser based gaming.