Irem
Games developed
- R-Type and R-Type II2014R-Type and R-Type II
- R-Type Tactics II: Operation Bitter Chocolate2009R-Type Tactics II: Operation Bitter Chocolate
- Zettai Zetsumei Toshi 3: Kowareyuku Machi to Kanojo no Uta2009Zettai Zetsumei Toshi 3: Kowareyuku Machi to Kanojo no Uta
- Spelunker HD2009Spelunker HD
- Steambot Chronicles: Battle Tournament2008Steambot Chronicles: Battle Tournament
- Hammerin' Hero2008Hammerin' Hero
- Puzzle Guzzle2008Puzzle Guzzle
- R-Type Tactics2007R-Type Tactics
- Raw Danger!2006Raw Danger!
- Blokus Portable: Steambot Championship2005Blokus Portable: Steambot Championship
- Steambot Chronicles2005Steambot Chronicles
- R-Type Final2003R-Type Final
- Disaster Report2002Disaster Report
- R-Type Delta1998R-Type Delta
- R-Types1998R-Types
- YoYo's Puzzle Park1996YoYo's Puzzle Park
- Undercover Cops1995Undercover Cops
- R-Type III: The Third Lightning1993R-Type III: The Third Lightning
- Undercover Cops: Hakaishin Garumaa1993Undercover Cops: Hakaishin Garumaa
- Superior Soldiers1993Superior Soldiers
- Rocky Rodent1993Rocky Rodent
- Shuyaku Sentai Irem Fighter1993Shuyaku Sentai Irem Fighter
- In the Hunt1993In the Hunt
- Kaiketsu Yanchamaru 3: Taiketsu! Zouringen1993Kaiketsu Yanchamaru 3: Taiketsu! Zouringen
- Ai Sensei no Oshiete: Watashi no Hoshi1993Ai Sensei no Oshiete: Watashi no Hoshi
- Ninja Baseball Bat Man1993Ninja Baseball Bat Man
- Major Title1992Major Title
- GunForce1992GunForce
- Bomber Man World1992Bomber Man World
- R-Type Leo1992R-Type Leo
- DinoCity1992DinoCity
- Hook1992Hook
- Perman Part 2: Himitsu Kessha Madōdan o Taose!1991Perman Part 2: Himitsu Kessha Madōdan o Taose!
- Spartan X 21991Spartan X 2
- Atomic Punk1991Atomic Punk
- Kaiketsu Yanchamaru 2: Karakuri Land1991Kaiketsu Yanchamaru 2: Karakuri Land
- Super R-Type1991Super R-Type
- Racing Damashii1991Racing Damashii
- Cosmic Cop1991Cosmic Cop
- Blade Master1991Blade Master
- Image Fight1990Image Fight
- Kickle Cubicle1990Kickle Cubicle
- Air Duel1990Air Duel
- Hammerin' Harry1990Hammerin' Harry
- R-Type II1989R-Type II
- X Multiply1989X Multiply
- Holy Diver1989Holy Diver
- Legend of Hero Tonma1989Legend of Hero Tonma
- Dragon Breed1989Dragon Breed
- Mr. Heli1989Mr. Heli
- Vigilante1988Vigilante
- Ninja Spirit1988Ninja Spirit
- Kid Niki: Radical Ninja1987Kid Niki: Radical Ninja
- R-Type1987R-Type
- Yōjūden1986Yōjūden
- Lot Lot1985Lot Lot
- Kung-Fu Master1984Kung-Fu Master
- The Battle-Road1984The Battle-Road
- MotoRace USA1983MotoRace USA
- 10-Yard Fight198310-Yard Fight
- Moon Patrol1982Moon Patrol
- Red Alert1981Red Alert
- Poncotsu Roman Daikatsugeki Bumpy Trot 2Poncotsu Roman Daikatsugeki Bumpy Trot 2
- Tropical AngelTropical Angel
- Mystic RidersMystic Riders
- Wily TowerWily Tower
- Space BeamSpace Beam
Games published
- R-Type Final 22021
- R-Type Tactics II: Operation Bitter Chocolate2009R-Type Tactics II: Operation Bitter Chocolate
- Spelunker HD2009Spelunker HD
- Steambot Chronicles: Battle Tournament2008Steambot Chronicles: Battle Tournament
- PachiPara DL Hyper Sea Story In Karibu2008PachiPara DL Hyper Sea Story In Karibu
- Hammerin' Hero2008Hammerin' Hero
- Puzzle Guzzle2008Puzzle Guzzle
- R-Type Tactics2007R-Type Tactics
- Raw Danger!2006Raw Danger!
- Blokus Portable: Steambot Championship2005Blokus Portable: Steambot Championship
- Steambot Chronicles2005Steambot Chronicles
- R-Type Final2003R-Type Final
- Sub Rebellion2002Sub Rebellion
- Disaster Report2002Disaster Report
- R-Type Delta1998R-Type Delta
- R-Types1998R-Types
- Undercover Cops1995Undercover Cops
- Hammerin’ Harry 2: Dan the Red Strikes Back1993Hammerin’ Harry 2: Dan the Red Strikes Back
- Rocky Rodent1993Rocky Rodent
- In the Hunt1993In the Hunt
- Ai Sensei no Oshiete: Watashi no Hoshi1993Ai Sensei no Oshiete: Watashi no Hoshi
- Ninja Baseball Bat Man1993Ninja Baseball Bat Man
- GunForce1992GunForce
- Gekibo: Gekisha Boy1992Gekibo: Gekisha Boy
- R-Type Leo1992R-Type Leo
- Bomber Man World1992Bomber Man World
- DinoCity1992DinoCity
- Hook1992Hook
- Perman Part 2: Himitsu Kessha Madōdan o Taose!1991Perman Part 2: Himitsu Kessha Madōdan o Taose!
- Spartan X 21991Spartan X 2
- Atomic Punk1991Atomic Punk
- Kaiketsu Yanchamaru 2: Karakuri Land1991Kaiketsu Yanchamaru 2: Karakuri Land
- Super R-Type1991Super R-Type
- Metal Storm1991Metal Storm
- Cosmic Cop1991Cosmic Cop
- Lightning Swords1991Lightning Swords
- Image Fight1990Image Fight
- Kickle Cubicle1990Kickle Cubicle
- Air Duel1990Air Duel
- Hammerin' Harry1990Hammerin' Harry
- R-Type II1989R-Type II
- Gekitotsu Yonku Battle1989Gekitotsu Yonku Battle
- Holy Diver1989Holy Diver
- Legend of Hero Tonma1989Legend of Hero Tonma
- Dragon Breed1989Dragon Breed
- Mr. Heli1989Mr. Heli
- Napoleon Senki1988Napoleon Senki
- The Guardian Legend1988The Guardian Legend
- Vigilante1988Vigilante
- Kid Niki: Radical Ninja1987Kid Niki: Radical Ninja
- Spelunker II: Yūsha e no Chōsen1987Spelunker II: Yūsha e no Chōsen
- Mahjong Kazoku1987Mahjong Kazoku
- R-Type1987R-Type
- Deadly Towers1986Deadly Towers
- Sqoon1986Sqoon
- Yōjūden1986Yōjūden
- Kung-Fu Master1984Kung-Fu Master
- MotoRace USA1983MotoRace USA
- Oli-Boo-ChuOli-Boo-Chu