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Storm of Progear Arcade Flyer.jpg
Arcade Flyer
Developer(s) CAVE
Director(s) Junya Inoue
Producer(s) Kenichi Takano
Designer(s) Akira Wakabayashi
Hiroyuki Tanaka
Fusayuki Watariguchi
Kengo Arai
Programmer(s) Tsuneki Ikeda
Artist(s) Junya Inoue
Composer(s) Yukinori Kikuchi
Platform(s) Arcade, i-mode, EzWeb, Yahoo Mobile
Release date(s) Arcade
  • JP: January 17, 2001
  • NA: 2001
  • AS: 2001
Mobile Phone
  • JP: 2004
  • JP: 2004
  • JP: 2004
Genre(s) Manic shooter
Mode(s) Single player, 2 player Co-op
Cabinet Upright
Arcade system CPS-2
Display Raster, 384 x 224 pixels (Horizontal), 4096 colors

Progear (プロギアの嵐 Purogia no Arashi?, lit. Storm of Progear) is an arcade video game developed by CAVE and published by Capcom on the CPS-2 arcade system board in 2001. This was Cave's only horizontal scrolling shooter until Deathsmiles in 2007. The game features a steampunk-like style and art design. This game is the second of two CAVE shoot 'em ups to be released in America with the third CAVE NTSC-U/C release being Princess Debut, and in limited print; and as a result, the US version is somewhat rare.


At the start of the game, the player is given a choice between two pilots/planes and three gunners, which determines the effectiveness of their respective modes. Each character's costume can be changed by holding the start button at the selection screen.

  • TYPE-A Fighter Gambler: Wide shot type, slower speed.
  • TYPE-B Fighter Militant: Focused shot type, faster speed.
  • Type Alpha: Focused missile strikes, medium damage.
  • Type Beta: Spread cannonballs, high damage.
  • Type Gamma: Homing missile strikes, low damage.

When selecting the gunner pilot, the formation of the gunners can be changed to the following:

  • 2 gunners below (Type-A) or behind (Type-B) fighter: Press A or B.
  • 1 gunner above and 1 gunner below fighter: Press A and B.
  • 2 gunners in front of fighter: Press Start button of the other player's controller, A and B button of own player's controller.
Progear running on MAME.
  • Pilot Mode: This is the default shot mode when no button is pressed. When tapping A or pressing the C button, the pilot fires stronger attacks, while the gunner fires without locking on a target.
  • Gunner Mode: By holding down the A button, the characters assume Gunner Mode. The pilot's attacks become weaker and the plane moves slower, while the gunner automatically locks on and fires at enemies with increased firepower.
  • Bomb: Pressing B activates a bomb. The bomb will move forward towards the right side of the screen, slowing down when it hits something and inflicting minor damage. Once a certain amount of time has passed or the bomb reaches the right side of the screen, it will explode into a much larger blast that heavily damages any enemy caught in it.
  • P: Increase shot power by 1. If the player collects it when shot power is full, 500 jewel points are awarded.
  • B: Increase bomb stock by 1. The player can carry up to 3 bombs. If player gets a bomb where there are already 3 bombs, following things happen for the duration of current life:
  • Jewel counter is increased by 10,000 in first loop of stages (20,000 in 2nd loop of stages).
  • Base jewel class is increased for every overstocked bomb, up to Large Emerald
  • Score for inflicting enemy damage and clear bonus are doubled.
  • MAX: Increase shot power to maximum. Appears when a player loses all lives.
  • 1UP: Increases life stock by 1 (max 9).

When (a portion of) an enemy is destroyed, the resulting explosions turn nearby bullets into rings or gems, depending on the player's weapon mode when destruction occurs. In pilot mode, bullets become rings. In gunner mode, bullets become gems. The bullets being converted also depend on weapon mode. In pilot mode, only bullets nearby the enemy unit are converted; in gunner mode, enemy bullets that are close to the enemy bullets being converted into jewels are also affected. In boss battles, all enemy bullets are always converted into rings when the life points of the critical portion of the boss's body is below a predefined value. A bullet is converted to a jewel of at least base jewel class. Jewels can be collected automatically by switching firing modes.

The current jewel class can be seen at the lower left of the screen. Jewels are ranked in the order of amethyst, ruby, emerald, diamond. Except diamond, all jewel types come in 3 intermediate classes, in the following fashion:

Jewel class Ring score Gem score Jewel counter increment
Small Amethyst 10 10 1
Medium Amethyst 20 10 2
Large Amethyst 30 10 3
Small Ruby 40 20 4
Medium Ruby 50 40 5
Large Ruby 60 80 6
Small Emerald 70 160 7
Medium Emerald 80 320 8
Large Emerald 90 640 9
Diamond 100 1280 10

Jewel class can be increased by collecting rings with a higher class than the current jewel class. Higher class rings can be found by destroying a large amount of bullets at once. However, when the player's weapon is in gunner mode, bullets only become gems of current jewel class regardless of the amount of bullets converted at once.

Jewel class is decreased to the basic level when:

  • Switching back from gunner mode to pilot mode when there is a gem on screen
  • Switching back from gunner mode to pilot mode after collecting at least 1 gem
  • Player uses a bomb
  • Player loses a life

Furthermore, if the player dies, the jewel class is reduced to Small Amethyst, and the current jewel counter is reduced by 25%; when the player uses a bomb, the jewel counter is decreased. Base jewel class can be increased by repeatedly collecting bombs after having 3 in stock, up to Large Emerald. For every 10000 jewel counter points, the player gains 10 extra score points for inflicting enemy damage.

Gunner relationship

At the end of each stage, the gunner's relationship with the pilot is evaluated based on the player's performance. The relationship is defined by:

  • Active: Increases when gunner mode is used more often.
  • Safe: Increases when no life is lost, and decreases when the player dies more often.
  • Lovely: The average of Active and Safe. The final value is ranked in 6 levels, with 1 the lowest and 6 the highest.

The ratings are accumulated between stages. Higher Lovely levels increases bombs' penetration level, which can increase score. Furthermore, Lovely level affects the attacks of enemy units in the upcoming stage, and the game's ending between the Pilot and the Gunner.


The difficulty of a given stage depends on the score of previous stage, with increased difficulty for higher score. The game has 5 stages. After completing all stages, a different ending occurs after the generic pilot escape ending, depending on Lovely level. However, the player can enter a second loop if at the end of stage 5, only 1 life is lost or at most 2 bombs have been used. When that occurs, the ending shows the Stage 5 boss is alive before the game enters the second loop.

The second loop has the following changes:

  • Jewel counter bonus is doubled.
  • Jewels fall at a faster speed.
  • Enemy patterns are changed, usually firing more bullets, in denser patterns, and travel at faster speeds.
  • Enemies fire circular bullets when destroyed, unless the player is close to the enemy.
  • When a player loses a life, they resume at a predefined checkpoint of a given stage, except during boss battles.
  • The player cannot earn extra lives based on score.
  • Each boss's dying speech is different. In the case of stage 5, a different picture is shown.
  • In Stage 1 and 5 boss battles, each boss has an extra attack phase after the loop 1 counterpart's final attack phase was ended by life point depletion.
  • Ending includes staff credit section.

After completing all stages, the player receives a clear bonus, which is equal to 10 score points for every jewel counterpoint.


Sometime in the past, the people of the country of Parts had found a way to become immortal, but only with elderly nobles. Five of these elders—Ballossum Pench, Gabriel Hammer, Jimchuck Spanner, Olsorro Slasher, and Leonard Drill—obtained immortality, and became known as the Motoruin sages. Eventually, they attempted to take over the Parts kingdom and start a new world order, collapsing the government and destroying parts of the country in the process. As their plans unfold, five children of one of these villages decide to battle the Motoruin using another new invention: the semi-automatic propelling engine, known as "Progear".

  • Ring: 14 years old. Gambler's pilot.
  • Bolt: 15 years old. Militant's pilot.
  • Chain: 14 years old. Alpha's gunner.
  • Nail: 12 years old. Beta's gunner.
  • Rivet: 17 years old. Gamma's gunner.


The game's soundtrack was published by Suleputer in 2003. A reprint was released by SuperSweep in 2014.[citation needed]


An English version was released in the U.S. and other parts of Asia. There are following changes:

  • Voice samples are removed.
  • The line at the intro was removed.

Mobile release[edit]

i-mode and EzWeb versions are split into 2 separate games.

A Progear DX was released for 256K Yahoo mobile models.


Screenshots of gameplay were used in the video for the song Ikaruga, by the band Discordance Axis


External links[edit]