What is "aldynes"

, full title Aldynes: The Mission Code for Rage Crisis, is a horizontal scrolling shoot 'em up game developed by Produce and released in February 22, 1991 for the SuperGrafx only for Japan. The game has a unique option-based combat and features levels with large scaling effects or parallax scrolling effects. The game was later released on the PlayStation Network on February 16, 2011.