Irem, formerly called the Irem Corporation and now called Irem Engineering Software, is a Japanese video game console developer and publisher, and formerly a developer and manufacturer of arcade games as well. The company was founded in Hakusan, Ishikawa, and its current headquarters are in Chiyoda, Tokyo.

Irem is mostly well known for the R-Type Series, but it has already abandoned video game development since the 2010s, and its former core developers formed a new company - Granzella Inc., which is now licensed to develop the R-Type Series.

R-Type Series and Related Games Developed/Published by Irem

Title	Release year	Platform	Notes
R-Type	1987	Arcade	The R-9A Arrowhead is the playable ship.
Battle Chopper	1987	Arcade	Known as Mr. HELI no Daibōken (Mr. Heli's Great Adventure) in Japan. The TP-3 Mr. Heli is the playable ship.
Image Fight	1988	Arcade	The OF-1 Daedalus is the playable ship. The Mr. Heli is the secret ship in the PC-Engine version.
X-Multiply	1989	Arcade	The Flexible Force on the RX-12 Cross The Rubicon pays homage to this game's playable ship, the X-002.
R-Type II	1989	Arcade	The R-9C War-Head is the playable ship.
Super R-Type	1991	SNES	A remake of R-Type II. The R-9K Sunday Strike is the playable ship.
Cosmic Cop	1991	Arcade	Known as Armed Police Unit Gallop in Japan. The R-11B Peace Maker is the playable ship, and the Gallop Force is named after the game's Japanese title.
R-Type Leo	1992	Arcade	The R-9Leo Leo is the playable ship.
Image Fight II: Operation Deepstriker	1992	PC-Engine Super CD-ROM²	Exclusively released in Japan. The OF-3 Garuda is the playable ship. The R-9A is the secret ship.
In the Hunt	1993	Arcade	Known as Kaitei Daisensō (Undersea Great War) in Japan. The Sm Gr F Granvia F and the Sm-Gr-M Granvia M are the playable ships.
R-Type III: The Third Lightning	1993	SNES	The R-90 Ragnarok is the playable ship.
R-Type Delta	1998	PS	The R-9A2 Delta, the RX-10 Albatross, the R-13A Cerberus and the TP-2 POW Armor are the playable ships.
R-Type Final	2003	PS2	101 ships are playable, including some from the above non-R-Type titles.
R-Type Command	2007	PSP	Known as R-Type Tactics in Japan.
R-Type Tactics II: Operation Bitter Chocolate	2009	PSP	Exclusively released in Japan. The last R-Type title developed by Irem.

Trivia

• R-9DP Hakusan, R-9DP2 Asanogawa, R-9DP3 Kenrokuen are named after the places of interest of the same names in Ishikawa, Japan, where Irem's former headquarter and Granzella's current headquarter are located.

External Link

• Wikipedia