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Exerion Flyer.png
Japanese arcade flyer of Exerion
Developer(s) Jaleco
TOSE (Family Computer)
Publisher(s) Jaleco/Taito
HAMSTER Corporation
Platform(s) Arcade, MSX, NES, Sega SG-1000, Virtual Console
Release 1983
Genre(s) Fixed shooter
Mode(s) Single-player, Two players alternating
Cabinet Upright, cocktail
CPU (2x) Z80 (@ 3.333333 MHz)
Sound Sound Chips: (2x) AY8910 (@ 1.666666 MHz)
Display Raster, 224 x 320 pixels (Vertical), 32 colors

Exerion (エクセリオン, Ekuserion) is a vertical shooter released by Jaleco in 1983 and licensed to Taito for distribution in the United States.

Screenshot from arcade version


Exerion features parallax effects and inertia simulation. The player shoots formations of bizarre alien amoeba, egg-throwing birds and Pterosaur-like creatures, as well as UFOs while flying over the surface of a planet. The player has two types of guns: a slow double shot (unlimited) and a fast single shot (limited).


In 1984, along with the MSX1 port of the original, a sequel was released titled Exerion II: Zorni for the MSX1, with similar gameplay to the original. There were plans for an NES release of this game. In 1987, the game was followed by the semi-sequel titled Exerizer, also known as Sky Fox.

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