Ryau the Jellyfish 2

Ryau the Jellyfish 2, also referred to as Ryau II, is an video game for the Raison Devarim made by Taiwanese company Raison. It is the sequel to Ryau the Jellyfish, a game from 1987 that was successful.

Gameplay
The game is pseudo-16bit. Unlike the previous game, Ryau can wall-jump, and there is warp zones, called "teleport ocean". Ryau can go in a portal (marks a teleport ocean) to teleport to another ocean. Like Sonic CD, It has many Future and Past signs.