| Columns II: The Voyage Through Time | Arcade |
JP | 1990-07 | developed |
| Columns II: The Voyage Through Time | Arcade |
WORLD | 1990-07 | developed |
| G-LOC Air Battle | Arcade |
US | 1990-07 | published, developed |
| G-LOC Air Battle | Arcade |
WORLD | 1990-07 | published, developed |
| G-LOC Air Battle | Arcade |
JP | 1990-07 | published, developed |
| G-LOC R360 | Arcade |
JP | 1990-07 | published, developed |
| G-LOC R360 | Arcade |
WORLD | 1990-07 | published, developed |
| After Burner II | PC Engine / TurboGrafx-16 |
JP | 1990-09-28 | developed |
| Altered Beast | Mega Drive / Genesis |
EU | 1990-09 | developed |
| Hellfire | Mega Drive / Genesis |
JP | 1990-09-28 | published |
| Hellfire | Mega Drive / Genesis |
WORLD | 1990-09-28 | published |
| Burning Force | Mega Drive / Genesis |
WORLD | 1990-10 | published |
| Fire Shark | Mega Drive / Genesis |
US | 1990-10 | published |
| Fire Shark | Mega Drive / Genesis |
WORLD | 1990-10 | published |
| GP Rider | Arcade |
JP | 1990-10 | published |
| GP Rider | Arcade |
US | 1990-10 | published |
| GP Rider | Arcade |
WORLD | 1990-10 | published |
| Thunder Force III | Mega Drive / Genesis |
US | 1990-10 | published |
| Thunder Force III | Mega Drive / Genesis |
US | 1990-10 | published |
| Fire & Forget II | Master System |
EU | 1990-11 | published |
| Hellfire | Mega Drive / Genesis |
US | 1990-11 | published |
| Hellfire | Mega Drive / Genesis |
US | 1990-11 | published |
| Same! Same! Same! | Mega Drive / Genesis |
JP | 1990-11 | published |
| Same! Same! Same! | Mega Drive / Genesis |
JP | 1990-11 | published |
| Sword of Vermilion | Mega Drive / Genesis |
US | 1990-11-10 | developed |
| Taisen Mahjong HaoPai | Game Gear |
JP | 1990-11-10 | developed |
| Thunder Force II | Mega Drive / Genesis |
EU | 1990-11 | published |
| Atomic Robo-Kid | Mega Drive / Genesis |
JP | 1990-12-14 | published |
| Atomic Robo-Kid | Mega Drive / Genesis |
US | 1990-12 | published |
| Crack Down | Mega Drive / Genesis |
JP | 1990-12-20 | published, developed |
| Joe Montana Football | Master System |
US | 1990-12 | developed |
| Joe Montana Football | Master System |
EU | 1990-12 | developed |
| Joe Montana Football | Master System |
BR | 1990-12 | developed |
| OutRun | PC Engine / TurboGrafx-16 |
JP | 1990-12 | published |
| Shadow Dancer - The Secret of Shinobi | Mega Drive / Genesis |
US | 1990-12-01 | developed |
| Thunder Blade | PC Engine / TurboGrafx-16 |
JP | 1990-12-07 | published |
| World Cup Italia '90 | Master System |
EU | 1990-12 | developed |
| World Cup Italia '90 | Master System |
BR | 1990-12 | developed |
| Crack Down | Mega Drive / Genesis |
EU | 1991 | published, developed |
| David Robinson's Supreme Court | Game Gear |
US | 1991 | published |
| F1 Exhaust Note | Arcade |
JP | 1991 | developed |
| F1 Exhaust Note | Arcade |
US | 1991 | developed |
| F1 Exhaust Note | Arcade |
WORLD | 1991 | developed |
| Frogger | Game Gear |
US | 1991 | published |
| G-LOC - Air Battle | Master System |
BR | 1991 | developed |
| Hammer Away | Arcade |
JP | 1991 | published, developed |
| Joe Montana II: Sports Talk Football | Arcade |
? | 1991 | published |
| Limited Edition Hang-On | Arcade |
? | 1991 | published |
| M-1 Abrams Battle Tank | Mega Drive / Genesis |
US | 1991 | developed |
| M-1 Abrams Battle Tank | Mega Drive / Genesis |
EU | 1991 | developed |
| Mario Lemieux Hockey | Arcade |
? | 1991 | published |
| Quiz Rouka Ni Tattenasai | Arcade |
JP | 1991 | published |
| Quiz Syukudai wo Wasuremashita | Arcade |
JP | 1991 | published |
| Royal Ascot | Arcade |
JP | 1991 | published |
| Shadow Dancer | Master System |
TW | 1991 | published, developed |
| Shadow Dancer - The Secret of Shinobi | Mega Drive / Genesis |
EU | 1991 | developed |
| Shadow Dancer - The Secret of Shinobi | Mega Drive / Genesis |
WORLD | 1991 | developed |
| Shadow Dancer - The Secret of Shinobi | Mega Drive / Genesis |
WORLD | 1991 | developed |
| Shadow Dancer - The Secret of Shinobi | Master System |
BR | 1991 | developed |
| Spider-Man vs The Kingpin | Arcade |
? | 1991 | published |
| Strike Fighter | Arcade |
JP | 1991 | published |
| Strike Fighter | Arcade |
WORLD | 1991 | published |
| Gain Ground | Mega Drive / Genesis |
EU | 1991-01-03 | published |
| Gain Ground | Mega Drive / Genesis |
JP | 1991-01-03 | published |
| Gain Ground | Mega Drive / Genesis |
US | 1991-01-03 | published |
| Gain Ground | Mega Drive / Genesis |
US | 1991-01 | published |
| Gynoug | Mega Drive / Genesis |
WORLD | 1991-01-25 | published |
| Dick Tracy | Master System |
US | 1991-02 | developed |
| Kyuukyoku Tiger | Mega Drive / Genesis |
JP | 1991-02 | published |
| Crack Down | Mega Drive / Genesis |
US | 1991-03 | published, developed |
| Devilish | Game Gear |
EU | 1991-03 | published |
| Devilish | Game Gear |
JP | 1991-03-29 | published |
| Midnight Resistance | Mega Drive / Genesis |
WORLD | 1991-03-29 | published |
| Dick Tracy | Master System |
EU | 1991-04 | developed |
| Dynamite Duke | Master System |
EU | 1991-04 | developed |
| Dynamite Duke | Master System |
BR | 1991-04 | developed |
| Sangokushi Retsuden - Ransei no Eiyuutachi | Mega Drive / Genesis |
JP | 1991-04 | developed |
| Bonanza Bros | Mega Drive / Genesis |
JP | 1991-05-17 | developed |
| Bonanza Bros | Mega Drive / Genesis |
KR | 1991-05 | developed |
| Michael Jackson's Moonwalker | Master System |
US | 1991-05 | developed |
| Ryuukyuu | Game Gear |
JP | 1991-05 | published |
| Solitaire Poker | Game Gear |
US | 1991-05 | published |
| Solitaire Poker | Game Gear |
EU | 1991-05 | published |
| Halley Wars | Game Gear |
JP | 1991-06-21 | published |
| Halley Wars | Game Gear |
US | 1991-06-21 | published |
| Halley Wars | Game Gear |
EU | 1991-06-21 | published |
| Halley Wars | Game Gear |
BR | 1991-06-21 | published |
| Psychic World | Master System |
EU | 1991-06 | developed |
| Psychic World | Master System |
BR | 1991-06 | developed |
| Rail Chase | Arcade |
JP | 1991-06 | published, developed |
| Rail Chase | Arcade |
WORLD | 1991-06 | published, developed |
| Sonic The Hedgehog | Mega Drive / Genesis |
EU | 1991-06 | developed |
| Sonic The Hedgehog | Mega Drive / Genesis |
KR | 1991-06-23 | developed |
| Sonic The Hedgehog | Mega Drive / Genesis |
US | 1991-06 | developed |
| Sonic The Hedgehog | Mega Drive / Genesis |
US | 1991-06 | developed |
| Sonic The Hedgehog | Mega Drive / Genesis |
EU | 1991-06 | developed |
| Sonic The Hedgehog | Mega Drive / Genesis |
WORLD | 1991-06 | developed |
| Twin Cobra - Desert Attack Helicopter | Mega Drive / Genesis |
US | 1991-06 | published |
| Wrestle War | Mega Drive / Genesis |
JP | 1991-06-28 | developed |
| Wrestle War | Mega Drive / Genesis |
EU | 1991-06 | developed |