Be careful when clicking on "unblocked" links. Some shady sites use popular game titles to lure users into clicking spam ads. Always have an ad-blocker active and avoid downloading any ".exe" files; the game should play directly in your browser.

The game often lets you pass a difficult obstacle, only to kill you with a sudden ceiling drop right before the next screen, forcing you to do the hard part all over again.

The control scheme is intentionally minimalist, relying on precise execution rather than complex combinations.

If you have ever wanted to test the absolute limits of your patience, is the game to play. Developed by Hiroyoshi Oshiba, this retro-style platformer gained viral fame for being intentionally unfair, highly addictive, and spectacularly frustrating.