| Sinclair ZX-81 type-in |  Bomb Disposal | 1981 | IPC Business Press, Ltd. |
| Atari 400/800 type-in | Bombardment | 1981 | SoftSide Publications, Inc. |
| Arcade Video game |  Borderline | 1981 | Karateco Tokyo, Japan |
| Arcade Video game | Borderline Model 834-0058 | 1981 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Apple II 5.25 disk | Borg | 1981 | Sirius Soft., Inc. Sacramento, CA, USA |
| Atari 400/800 cass. | Bowling I | 1981 | PDI Program Design, Inc. |
| VC 4000 cart. | Bowling Kegeln Cassette No. 25 | 1981 | Interton Electronic |
| Atari 2600 cart. | Box-Champion Model 711 002-715 | 1981 | Ariolasoft Germany |
| Atari 2600 cart. | Boxing - La Boxe Model CAG-002 | 1981 | Activision, Inc. Santa Clara, CA, USA 47875 |
| Arcade Video game | Boxing Bugs | 1981 | Cinematronics, Inc. El Cajon, CA, USA |
| Atari 2600 cart. | Boxing Model EAG-002 | 1981 | Activision, Inc. Santa Clara, CA, USA 47875 |
| Atari 2600 cart. | Boxing Model PAG-002 | 1981 | Activision, Inc. Santa Clara, CA, USA 47875 |
| Arcade Video game | Bradley Trainer | 1981 | Atari, Inc. CA, USA |
| Pachinko | Bravo | 1981 | Heiwa Japan |
| Acorn Atom cass. | Breakout | 1981 | Bug-Byte London, England |
| Acorn Atom type-in | Breakout | 1981 | EMAP East Midlands Allied Press |
| Sinclair ZX-81 cass. | Breakout + Space Invaders + Music | 1981 | Macronics Systems |
| Sinclair ZX-81 cass. | Breakout Model 6 | 1981 | Greye Soft., J.K. UK |
| Mattel Intellivision cart. | Brickout! | 1981 | Mattel Electronics Mattel, Inc. |
| Atari 400/800 disk | Bridge 2.0 P | 1981 | DynaComp, Inc. |
| Apple II 5.25 disk | Bug Attack | 1981 | Cavalier Computer Corp. |
| Sinclair ZX-81 cass. | Bumper 7 Model 1101 | 1981 | Axis Soft. |
| Atari 400/800 cass. | Bumper Pool | 1981 | APX Atari Program Exchange |
| DECO cass. |  Bumpoline Model DT-135 | 1981 | Data East Corp. Japan |
| Handheld game | Burger Bar | 1981 | Bandai Co., Ltd. Japan |
| Arcade Video game | Burmazon | 1981 | Data East Corp. Japan |
| Handheld game | Bye Bye Birdie Model 8101 | 1981 | Bandai Co., Ltd. Japan |
| Handheld game | Cake Shop Model 0218821 | 1981 | Bandai Co., Ltd. Japan |
| Atari 400/800 type-in | Cannon Duel | 1981 | ANALOG Computing |
| Applied Concepts Great Game Machine mod. | Capablanca Edition - Master Chess Endgame | 1981 | Applied Concepts, Inc. |
| Arcade Video game | Capitol | 1981 | Universal Video Spiel |
| Commodore VIC-20 cart. | Car Race | 1981 | Commodore, Ltd. |
| Texas instrument TI-99/4A cart. | Car Wars Model PHM 3054 | 1981 | Texas Instruments |
| Apple II 5.25 disk | Cartels & Cutthroats | 1981 | SSI Strategic Simulations, Inc. 16685 |
| Atari 2600 cart. | Casa Mal-Assombrada | 1981 | Polyvox Brazil |
| Atari 400/800 cass. | Casino Blackjack Counter | 1981 | Manhattan Soft. |
| VC 4000 cart. | Casino Cassette No. 31 | 1981 | Interton Electronic |
| Sinclair ZX-81 cass. | Cassette 1 | 1981 | Orwin, M. |
| Sinclair ZX-81 cass. | Cassette 2 | 1981 | Orwin, M. |
| Slot Machine | Castle Front | 1981 | Auto-Bell Novelty Co. Chicago, IL, USA |
