Iridion II
Be the new saviour as the Iridion force strikes back! A century has passed since the Iridion Empire was defeated. Humans have populated the old Iridion galaxy giving mankind freedom and peace. Suddenly, all communications with the human outposts are lost. The Iridions are back! Planet Earth is too far away to offer help. The only chance? A lone powerful spaceship...Yours!
SCREENSHOTS
PHYSICAL
HISTORY
Iridion II is a scrolling shooter video game developed by Shin'en Multimedia and published by Majesco and Vivendi Universal Games in North America and PAL regions respectively for the Game Boy Advance handheld video game console. It is the sequel to Iridion 3D although it is played from a different perspective.
Iridion was re-released on Steam on April 8, 2020, alongside Iridion 3D
Story
After the events in Iridion 3D, the forces of the Iridion disappeared completely which prompted mankind to travel into space and colonize the planets of the Iridion home galaxy. However, after hundreds of peaceful years, the Iridion Empire returned and attacked the human colonists with the intent of retaking their planets. The player assumes control over the SHN-27 en route to save mankind from the Iridion once more.
Gameplay
The player pilots the SHN-27 through three different modes of play, although Story Mode has to be cleared in order to unlock the other modes in the game such as Arcade and Challenge.
In Story mode, the player follows a plot involving the defense fleet chasing the Iridion forces through five different solar systems in three areas each, although each area is symbolized as a planet (including asteroid belts and space travel zones). There is a total of fifteen levels, each ending in a boss battle. The other modes include Arcade and Challenge mode, the latter being a boss-attack mode.
The player has to select from one of six weapons at the beginning of each stage, but the player can also select and change weapons during game play once a green power-up was collected. The player can also use the Power-ups to empower firing strength or replenish the ship's armor. The green power-ups also increases the shot count by adding two Satellites (or Options) that saddled alongside the ship. The player could change the position of the Satellites depending on the ship's movement, but only while the ship was not firing. The player can also collect Bomb pick-ups and could stock up a total of three. The player's ship was also equipped with a charge shot that, once fully charged, would unleash a very powerful plasma blast. The ship has an armor gauge that once depleted would destroy the ship completely and the player would have to start from a checkpoint.
A unique feature to the game included a brief music mode in the game's main menu where players could change the Lead, Chords, Bass and Drums to the title theme through four different songs.
Reception
The game received "generally favorable reviews", a lot more positive than the original Iridion 3D, according to the review aggregation website Metacritic.
1CC RUNS
One-credit clears we point to as the benchmark for this game.
GAMEPLAY VIDEO
STORES best right now: GOG −60%
Prices are cached from each storefront and may be out of date. Last checked 23 Sept 2026.
PRICE HISTORY
Every price change we know of, per shop. Flat means the price held; PC shops reach back through IsThereAnyDeal's archive, console shops start when this site started watching.
Fanatical low: $12.99 (27 Sep 2023) , GOG low: $5.19 (17 Aug 2026) , Steam low: $1.94 (22 Dec 2021)
SCORES
ACHIEVEMENTS 1 set
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