[1] The objective is to drop down formations of descending blocks and pink-colored aliens named "Jamms" in a vertical-oriented playfield.

[4] The Video possessed a lengthy development process and required a lot of energy and time from its staff, so The Puzzle was designed to be more simplistic in comparison.

[5] One of the graphic artists had difficulty designing the sprites as they wanted to keep the cutesy look of the Cosmo Gang characters while still being confined to a 16x16 pixel space.

[5] Namco considered releasing this version overseas but didn't believe it would sell well as the Cosmo Gang characters were not popular outside Japan.

[7] Two versions of Cosmo Gang the Puzzle were produced for Japanese mobile phones; one was released for i-Mode in 2005 and the other for Yahoo!

[12] The Super Famicom version was re-released for the Wii U Virtual Console in 2015[1] and as part of the Nintendo Switch Online membership in September 2024.

They wrote that while it wasn't an original concept by any means, Cosmo Gang the Puzzle was still an enjoyable game in its own right, and made for a solid take on the Tetris formula.

[3] For the Super Famicom version, reviewers often complained the gameplay wasn't as gratifying or well-designed as other puzzle games available.

[1] Andy Lowe from GamesMaster stated that while he felt Cosmo Gang the Puzzle possessed more "involved" gameplay than Tetris, it lacked substance and didn't have as many features that other similar games had.

[13] Super Play's Matt Bielby disliked the difficulty for being too easy and the gameplay for becoming tedious after a while, writing that its quirkiness couldn't save it from becoming "cupboard-fodder".

[14] Writers for both Famitsu and Super Famicom Magazine liked the multiple gamemodes for offering a different take on the falling tile gameplay.

[13][14] Super Famicom Magazine concluded their review by writing that Puzzle made for a nice addition to the console's library, and outclassed the arcade original with its new features.