| Slider | Game Gear |
US | 1991-04 | published |
| Slider | Game Gear |
EU | 1991-04 | published |
| The Cyber Shinobi | Master System |
EU | 1991-04 | published, developed |
| The Cyber Shinobi | Master System |
EU | 1991-04 | published, developed |
| The GG Shinobi | Game Gear |
JP | 1991-04 | developed |
| Wonder Boy III - Monster Lair | Mega Drive / Genesis |
EU | 1991-04 | published |
| Golden Axe Warrior | Master System |
EU | 1991-05 | developed |
| Michael Jackson's Moonwalker | Master System |
US | 1991-05 | published |
| Michael Jackson's Moonwalker | Master System |
US | 1991-05 | published |
| Michael Jackson's Moonwalker | Master System |
US | 1991-05 | published |
| Advanced Daisenryaku - Deutsch Dengeki Sakusen | Mega Drive / Genesis |
JP | 1991-06-17 | published |
| Advanced Daisenryaku - Deutsch Dengeki Sakusen | Mega Drive / Genesis |
JP | 1991-06-17 | published |
| Columns | Game Gear |
EU | 1991-06 | developed |
| D. D. Crew | Arcade |
JP | 1991-06 | published |
| D. D. Crew | Arcade |
US | 1991-06 | published |
| D. D. Crew | Arcade |
WORLD | 1991-06 | published |
| Factory Panic | Game Gear |
EU | 1991-06 | published |
| Factory Panic | Game Gear |
BR | 1991-06 | published |
| G-LOC - Air Battle | Game Gear |
EU | 1991-06 | developed |
| Ganbare Gorby! | Game Gear |
JP | 1991-06 | published |
| Phantasy Star III - Generations of Doom | Mega Drive / Genesis |
US | 1991-06 | developed |
| Psychic World | Master System |
EU | 1991-06 | published |
| Psychic World | Master System |
BR | 1991-06 | published |
| Riot City | Arcade |
JP | 1991-06 | published |
| Strider | Master System |
US | 1991-06 | published |
| Strider | Master System |
BR | 1991-06 | published |
| The Strider | Master System |
TW | 1991-06 | published |
| Wonder Boy | Game Gear |
US | 1991-06 | developed |
| Wrestle War | Mega Drive / Genesis |
JP | 1991-06-28 | published |
| Wrestle War | Mega Drive / Genesis |
EU | 1991-06 | published |
| Wrestle War | Mega Drive / Genesis |
JP | 1991-06-28 | published |
| Wrestle War | Mega Drive / Genesis |
EU | 1991-06 | published |
| Time Traveler | Arcade |
? | 1991-07 | published |
| Time Traveler | Arcade |
JP | 1991-07 | published |
| Eternal Legend | Game Gear |
JP | 1991-08-09 | published |
| Jewel Master | Mega Drive / Genesis |
JP | 1991-08-30 | developed |
| Jewel Master | Mega Drive / Genesis |
US | 1991-08 | developed |
| OutRun | Mega Drive / Genesis |
JP | 1991-08 | published |
| OutRun | Mega Drive / Genesis |
US | 1991-08 | published |
| OutRun | Mega Drive / Genesis |
EU | 1991-08 | published |
| OutRun | Game Gear |
EU | 1991-08 | published |
| OutRun | Game Gear |
BR | 1991-08 | published |
| OutRun | Game Gear |
JP | 1991-08 | published |
| OutRun | Game Gear |
KR | 1991-08 | published |
| Pro Yakyuu Super League '91 | Mega Drive / Genesis |
JP | 1991-08 | published, developed |
| Riddle Wired | Mega Drive / Genesis |
JP | 1991-08 | published, developed |
| Streets of Rage | Mega Drive / Genesis |
WORLD | 1991-08 | developed |
| Putt & Putter | Game Gear |
JP | 1991-09-27 | published |
| Putt & Putter | Game Gear |
KR | 1991-09 | published |
| Putt & Putter | Game Gear |
US | 1991-09-27 | published |
| Putt & Putter | Game Gear |
EU | 1991-09-27 | published |
| Putt & Putter | Game Gear |
BR | 1991-09-27 | published |
| Rent a Hero | Mega Drive / Genesis |
JP | 1991-09-20 | published, developed |
| Spider-Man: The Videogame | Arcade |
JP | 1991-09 | published, developed |
| Spider-Man: The Videogame | Arcade |
US | 1991-09 | published, developed |
| Spider-Man: The Videogame | Arcade |
WORLD | 1991-09 | published, developed |
| Strider | Master System |
EU | 1991-09 | published |
| Phantasy Star | Master System |
BR | 1991-10 | developed |
| Phantasy Star III - Generations of Doom | Mega Drive / Genesis |
EU | 1991-10 | developed |
| Running Battle | Master System |
EU | 1991-10 | published |
| Running Battle | Master System |
BR | 1991-10 | published |
| The Lucky Dime Caper Starring Donald Duck | Game Gear |
US | 1991-10 | developed |
| The Lucky Dime Caper Starring Donald Duck | Game Gear |
BR | 1991-10 | developed |
| Bubble Bobble | Master System |
EU | 1991-11 | published |
| Dragon Crystal | Master System |
EU | 1991-11-21 | published, developed |
| Dragon Crystal | Master System |
BR | 1991-11 | published, developed |
| Jewel Master | Mega Drive / Genesis |
EU | 1991-11-21 | developed |
| Kuni-chan no Game Tengoku | Game Gear |
JP | 1991-11-22 | published, developed |
| QuackShot Starring Donald Duck | Mega Drive / Genesis |
US | 1991-11 | developed |
| Sega Chess | Master System |
EU | 1991-11-14 | published |
| Sega Chess | Master System |
BR | 1991-11 | published |
| Space Harrier | Game Gear |
WORLD | 1991-11 | published |
| The Lucky Dime Caper Starring Donald Duck | Game Gear |
EU | 1991-11 | developed |
| Alien Storm | Master System |
EU | 1991-12 | published |
| Alien Storm | Master System |
BR | 1991-12 | published |
| Arliel - Crystal Densetsu | Game Gear |
JP | 1991-12 | developed |
| Bonanza Bros | Master System |
EU | 1991-12 | published, developed |
| Bonanza Bros | Master System |
BR | 1991-12 | published, developed |
| California Games | Mega Drive / Genesis |
EU | 1991-12 | published |
| Clutch Hitter | Game Gear |
US | 1991-12 | published, developed |
| Donald Duck no Lucky Dime | Game Gear |
JP | 1991-12 | developed |
| Golden Axe II | Mega Drive / Genesis |
WORLD | 1991-12-27 | developed |
| Golden Axe II | Mega Drive / Genesis |
WORLD | 1991-12-27 | developed |
| Laser Ghost | Master System |
EU | 1991-12-19 | published, developed |
| Line of Fire | Master System |
EU | 1991-12-19 | published |
| Line of Fire | Master System |
BR | 1991-12 | published |
| NHK Taiga Drama - Taiheiki | Mega Drive / Genesis |
JP | 1991-12-13 | developed |
| Ninja Burai Densetsu | Mega Drive / Genesis |
JP | 1991-12-05 | published, developed |
| Ninja Burai Densetsu | Mega Drive / Genesis |
JP | 1991-12-05 | published, developed |
| Pengo | Game Gear |
EU | 1991-12-12 | published, developed |
| The Lucky Dime Caper Starring Donald Duck | Master System |
EU | 1991-12 | published, developed |
| The Lucky Dime Caper Starring Donald Duck | Master System |
BR | 1991-12 | published, developed |
| The Lucky Dime Caper Starring Donald Duck | Master System |
EU | 1991-12 | published, developed |
| The Lucky Dime Caper Starring Donald Duck | Master System |
BR | 1991-12 | published, developed |
| Wakusei Woodstock - Funky Horror Band | Mega-CD / Sega CD |
JP | 1991-12-20 | published |
| Burning Rival | Arcade |
JP | 1992 | published |
| Burning Rival | Arcade |
WORLD | 1992 | published |
| Crystal Warriors | Game Gear |
EU | 1992 | developed |
| Dark Edge | Arcade |
JP | 1992 | published |
| Dark Edge | Arcade |
WORLD | 1992 | published |