Uo Poko is an arcade

Arcade game

An arcade game is a coin-operated entertainment machine, usually installed in public businesses such as restaurants, bars, and amusement arcades. Most arcade games are video games, pinball machines, electro-mechanical games, redemption games, and merchandisers...

 puzzle game

Computer puzzle game

Puzzle video games are a genre of video games that emphasize puzzle solving. The types of puzzles to be solved can test many problem solving skills including logic, strategy, pattern recognition, sequence solving, and word completion....

 developed by Cave

Cave (company)

Cave Co., Ltd. is a Japanese video game company, known primarily for its manic shoot 'em ups. Cave remains one of the most active makers of arcade shoot-'em-ups in the Japanese market...

 and distributed by Jaleco

Jaleco

is a Japanese video game publisher and developer established in 2006.The original Jaleco Ltd was founded in 1974. In 2006, it decided to become a pure holding company by renaming itself Jaleco Holding and splitting its video game operations into a newly created subsdiary that took its former name...

. It has gained some notoriety in gaming circles for the Japanese variant's engrish

Engrish

refers to unusual forms of English language usage by native speakers of some East Asian languages. The term itself relates to Japanese speakers' tendency to inadvertently substitute the English phonemes "R" and "L" for one another, because the Japanese language has one alveolar consonant in place...

legal warning threatening that copyright violators will be "prosecutedt to the full extent of the jam".

Gameplay

Uo Poko is a visual matching game in which one player or two co-operative players (represented by cats) try to clear the screen of coloured bubbles in order to progress to the next level. All the action takes place underwater and with each completed level the cats travel deeper in their submarine.