Clockwork Aquario first launched for Playstation 4 and Switch on November 30, 2021 in Europe and December 14 in North America.
Here is an overview of the game, via ININ Games:
The long thought lost arcade treasure by the legendary Westone team is finally being brought to light after 30 years! In cooperation with Strictly Limited games, the unfinished ROM has been dug up and finished with the input of the original developers. The beautiful pixel art was at the top of its class at the time and has lost nothing of its charm over the years.
Jump and run through a colorful fantasy world, pick up and throw your enemies, hit multiple at the same time to get a multiplier and rack up your high score! You can also play with up to two friends, will you collaborate to take down Dr. Hangyo or try to sabotage each other to get the high score?