is an arcade game, which was released by Namco in 1987 only in Japan. It runs on Namco System 1 hardware, and represents the company's response to Taito Corporation's Arkanoid (which was released in the previous year); however, its graphics and sound effects are considered superior to both the original Arkanoid video game and its immediate sequel, Revenge of Doh. In 2009, it was re-released under the name of on the Virtual Console for the Wii (but the reason for the title change is unknown).

is an arcade game, which was released by Namco in 1987 only in Japan. It runs on Namco System 1 hardware, and represents the company's response to Taito Corporation's Arkanoid (which was released in the previous year); however, its graphics and sound effects are considered superior to both the original Arkanoid video game and its immediate sequel, Revenge of Doh. In 2009, it was re-released under the name of on the Virtual Console for the Wii (but the reason for the title change is unknown).