[1][2] All the action takes place underwater across 30 stages and with each completed level the cats travel deeper in their submarine.

[3][4] Puzzle Uo Poko was solely designed by Toshiaki Tomizawa, a co-founder of Cave whose previous works include the DonPachi series.

[5][6][7] Puzzle Uo Poko was released in Japanese arcades by Jaleco in February 1998.

[8] Unlike several other releases by Cave, Uo Poko remained exclusive to arcades and did not see a contemporary port for a home console.

Mushihime-tama, a spiritual sequel to Uo Poko presented as a spin-off of the Mushihimesama series of manic shooters.