[1] It was published for ZX Spectrum, Amstrad CPC, MSX, Atari ST, and MS-DOS.

[2] While most platforms are perfectly harmless, some have additional qualities, such as being destructible, thereby granting access to other parts of the screen.

Some platforms are on fire, which will turn out lethal unless the player has picked up a water droplet in advance.

The loading screen and graphics changed but the music sound effects and gameplay remained the same.

[citation needed] The Game Boy version of Pop-up was renamed Cool Ball in the United States.