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Cover art of DC version
Japanese Dreamcast cover art
Developer(s)Triangle Service
Publisher(s)Taito Corporation
Triangle Service (DC)
Datam Polystar (PS2)
BBMF (i-mode, YM)
Designer(s)T.Fujino (producer, programmer)
Artist(s)H.Toki (graphic)
Composer(s)NAOTO (sound)
Platform(s)Arcade, Dreamcast, PlayStation 2, i-mode, Yahoo Mobile, EzWeb
  • JP: 7 April 2005
PlayStation 2
  • JP: 20 April 2006
i-mode & Yahoo Mobile
  • JP: 25 September 2006
Genre(s)Vertical scrolling shooter
Mode(s)Single player
Arcade systemSega NAOMI GD-ROM
DisplayVertical orientation, raster graphics

Trizeal is a Japanese shoot 'em up arcade game developed by Triangle Service.


Players control and can transform a spaceship into three forms (which alternates weapon attacks), working through multiple levels and boss sequences. The game can be played in four different screen modes, with one mode mimicking the narrow arcade version. A ship from Triangle Service's previous release, XII Stag, is hidden in the game and can be unlocked by holding the "X" button before selecting a stage in Stage Attack mode. The power-ups can be used to upgrade each separate weapon respectively.

There are 6 levels in the game, they get progressively harder until the last stage which consists of only two bosses. Two unlockable modes become available when the game is completed, they are Omake mode and Lifting mode. Omake mode is a short level which has denser bullet patterns than the normal game, lifting mode is where you have to juggle a stone on your ship to score points.


Between the arcade and Dreamcast releases of Trizeal, the developer released a 'SOS statement' claiming the arcade game had suffered poor sales, and if TRIZEAL for Dreamcast did not sell well, the company would not be able to produce the next one. Furthermore, it also claimed it would not be a net-only release because it wanted the game be displayed in shops.[1][2]


Trizeal Remix was released for Windows on July 7, 2016.[3]


A sequel, Exzeal, was released in 2007.


  1. ^ SOS from Triangle Service
  2. ^ TRIANGLE SERVICEがピンチです!
  3. ^ Trizeal Remix PC at Retrieved November 13, 2018.

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