20 handcrafted levels of running, jumping & wall-sliding
Arrow/WASD to move · Space to jump
Platformer is a free online side-scrolling jumping game with 20 handcrafted levels. Run, jump, wall-jump, and dodge hazards. From tutorials to brutally precise expert levels, it captures the classic feel of Mario and Celeste.
Use arrow keys or on-screen controls. Navigate platforms, avoid spikes and enemies, reach the green flag. Wall-jump, bounce on springs, watch for crumbling platforms. Earn up to 3 stars per level.
Desktop: Arrow/WASD to move, Space/Up to jump. Mobile: joystick left, jump button right. Wall-jump by pressing into a wall and tapping jump.
20 levels. 1-5 tutorials, 6-10 introduce hazards, 11-15 advanced techniques, 16-20 expert precision challenges.
Yes, all 20 levels free online. Desktop or mobile. No downloads or signups.
If you enjoyed this, try: Doodle Jump · Dino Run · Flappy Game · Tower Stack
Last updated: March 2026 · whatifs.fun