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Box artwork for Exerion.
Exerion
Developer(s)Jaleco
Publisher(s)Jaleco, Taito Corporation
Year released1982
System(s)Arcade, NES, MSX, Sega SG-1000, Wii, Wii U
Followed byZorni: Exerion II
SeriesArcade Archives
Japanese titleエクセリオン
Genre(s)Shooter
Players1-2
ModesSingle player, Multiplayer
Rating(s)CERO All ages
Arcade Archives Exerion
Developer(s)Jaleco
Publisher(s)Hamster Corporation
Year released2015
System(s)PlayStation 4, Nintendo Switch
Rating(s)CERO All agesESRB EveryonePEGI Ages 3+General
LinksExerion ChannelSearchSearch
Exerion marquee

Exerion is a shoot 'em up game developed by Jaleco that features parallax effects and inertia simulation, something notable for 1983. The player travels around strange scenarios shooting aliens. The player has two types of guns: Fast single shot (limited) or slow double shot (unlimited). After every few stages, the player was presented with a bonus stage.

It was never release for home consoles outside of Japan. It was converted for play on the Famicom where it retained most of the features found in the arcade. A graphically limited conversion was also produced for the Sega SG-1000 and the MSX. The MSX received a sequel to the game entitled Zorni Exerion II that brought the graphics quality closer to the arcade. The game was later contained in Jaleco Collection Vol. 1 for the PlayStation in 2003, and in Jajamaru Jr Denshouki Jaleco Memorial for the Game Boy Advance in 2004.

Controls[edit]

  • Joystick: Use the joystick to move the ship in any one of eight directions. The ship is capable of moving to any location on the visible screen. The ship is influenced by momentum, so it will not instantly turn back in the opposite direction. It must overcome the inertia of its current direction first.
  • Fire A: Press the first fire button to shoot twin bullets in an upward direction. You have an unlimited supply of these shots.
  • Fire B: Press the second fire button to launch a rapid consecutive fire of single bullets. You have a limited supply of these shots, as indicated by the charge count at the bottom of the screen.
  • 1-2 Players: Press to start a one or two player game.

Gameplay[edit]

Exerion is a vertical shooter that is operated with an 8 direction joystick and two fire buttons. The game's biggest features are the parallax scrolling which occurs in the background, and the sensation of inertia that is applied to the motion of the ship. The ship is equipped with two kinds of weapons. You can fire the dual shot gun which can only release one pair of shots on the screen at a time, but has an unlimited supply, by tapping the first fire button. The single shot gun can fire a rapid stream of shots on the screen at one time by holding the second fire button down, but it is limited in ammo according to the number of charges indicated on the bottom. Each weapon is best used in different situations, in order to defeat the enemies which come flying down from the top part of the screen.

Due to the inertia of the ship, you must input any reverse in direction much sooner in order to cancel the ships momentum. This was not a common feature for similar games that came out around the same time, so it distinguished Exerion from other shooters. Because the Famicom conversion was played on a horizontal screen, the enemies appeared much closer to the player's ship, which changes the feel of the game since you have to react to the enemies' location much sooner.

Tips & Tricks[edit]

  • Hint : To get a high score, if you do not miss any shots your bonus score will keep on doubling to 10000 then reset to 000. When at 10000 miss a shot then bonus score will revert to 5000.
  • Hint : When fire from the double shot (slower) weapon hits an enemy, it re-charges the faster single shot weapon. To keep the single shot re-charged it is possible to fire both weapons at once by tapping both fire buttons, maintaining charge, giving a higher rate of fire and more chance of hitting enemies.
  • Bug : In the challenge stage, if you shoot all 40 aliens you normally get a bonus charge of 60. Sometimes a red hydra comes out during this stage. If you shoot it and all 40 aliens, you get a total of 41. The game seems to fail the test of 'hits=40' and only gives you a bonus charge of 41.

Home Conversions[edit]

Trophies[edit]

Xbox 360 icon. PlayStation network icon.
{{{360}}} 9
Gamerscore Bronze Silver Gold Platinum
{{{g}}} 7 0 2 This game does not have platinum trophy.

There are nine trophies for PlayStation 4.

Picture Name DescriptionTrophy
Arcade Archives Settings can be accessed from here.png Settings can be accessed from here. Option menu opened. 1: Bronze trophy Bronze
Arcade Archives Optimal display settings.png Optimal display settings Display settings opened. 1: Bronze trophy Bronze
Arcade Archives Customize game settings.png Customize game settings Game settings opened. 1: Bronze trophy Bronze
Arcade Archives Set button configuration.png Set button configuration Button settings opened. 1: Bronze trophy Bronze
Arcade Archives The manual has been read.png The manual has been read. All of the manual has been read. 1: Bronze trophy Bronze
Arcade Archives Aim to be the best.png Aim to be the best! Online rankings opened. 1: Bronze trophy Bronze
Arcade Archives Game Reset.png Game Reset The game has been reset. 1: Bronze trophy Bronze
Arcade Archives Record score Gold.png Record score The score has been posted to the online rankings. 3: Gold trophy Gold
Arcade Archives Mark high score Gold.png Mark high score High score has been updated. 3: Gold trophy Gold