| Bad Dudes vs. Dragon Ninja | EU | 1990 |
Ocean Software | Commercial |
| Block Force | TW | 1990 |
Hwang Shinwei | Unlicensed |
| Block Out | US | 1990 |
Technōs Japan | Prototype |
| Brush Roller | TW | 1990 |
RCM | Unlicensed |
| Bases Loaded II - Second Season | US | 1990-01 |
Jaleco | Commercial |
| Batman - The Video Game | AS | 1990-02 |
| Unlicensed |
| Batman - The Video Game | US | 1990-02 |
Sunsoft | Commercial |
| Batman - The Video Game | US | 1990-02 |
Sunsoft | Prototype |
| Baseball Simulator 1.000 | US | 1990-03 |
Culture Brain | Commercial |
| Best Play Pro Yakyuu II | JP | 1990-03 |
ASCII Corporation | Commercial |
| Burai Fighter | US | 1990-03 |
Nintendo | Commercial |
| Boulder Dash | JP | 1990-03-23 |
Nintendo | Commercial |
| Baken Hisshou Gaku - Gate In | JP | 1990-05-25 |
K. Amusement Leasing Co | Commercial |
| Bad News Baseball | US | 1990-06 |
Tecmo | Commercial |
| Bad News Baseball | US | 1990-06 |
Tecmo | Prototype |
| Boulder Dash | US | 1990-06 |
Nintendo | Commercial |
| Battle Fleet | JP | 1990-06-22 |
Namco | Commercial |
| Bad Dudes | US | 1990-07 |
Ocean Software | Commercial |
| Battle Chess | US | 1990-07 |
Data East | Commercial |
| Battle Chess | WORLD | 1990-07 |
Data East | Commercial |
| Bigfoot | US | 1990-07 |
Acclaim Entertainment | Commercial |
| Bikkuriman World - Gekitou Sei Senshi | JP | 1990-07 |
Hudson Soft | Commercial |
| Burai Fighter | JP | 1990-07-20 |
Nintendo | Commercial |
| Barker Bill's Trick Shooting | US | 1990-08 |
Nintendo | Commercial |
| Blodia Land - Puzzle Quest | JP | 1990-08-11 |
Tonkin House | Commercial |
| Back to the Future Part II & III | US | 1990-09 |
LJN | Commercial |
| Bakushou! Star Monomane Shitennou | JP | 1990-09 |
Pack-In-Video | Commercial |
| Battle Tank | RU | 1990-09 |
| Unlicensed |
| Bugs Bunny Birthday Bash | US | 1990-09 |
Kemco | Prototype |
| Batman - The Video Game | EU | 1990-09-14 |
Sunsoft | Commercial |
| Bloody Warriors - Shan-Go no Gyakushuu | JP | 1990-10 |
Toei Animation | Commercial |
| Bionic Commando | EU | 1990-10-26 |
Capcom | Commercial |
| Bubble Bobble | EU | 1990-10-26 |
Taito | Commercial |
| Bubble Bobble | EU | 1990-10-26 |
Taito | Prototype |
| Blades of Steel | EU | 1990-11-23 |
Konami | Commercial |
| Bakushou!! Ai no Gekijou | JP | 1990-12 |
Coconuts Japan | Commercial |
| Bandit Kings of Ancient China | US | 1990-12 |
Koei | Commercial |
| Battle Stadium - Senbatsu Pro Yakyuu | JP | 1990-12 |
IGS | Commercial |
| Best Play Pro Yakyuu '90 | JP | 1990-12 |
ASCII Corporation | Commercial |