| Sinclair ZX Spectrum cass. |  Bongo | 1984 | Anirog Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Booty Model 000167 | 1984 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Borzak | 1984 | Channel 8 Soft. |
| Sinclair ZX Spectrum cass. |  Boulder Dash Model 061070 | 1984 | Front Runner 012206 |
| Sinclair ZX Spectrum cass. | Bouncing Berty | 1984 | PowerSoft. |
| Sinclair ZX Spectrum cass. | Bouncing Berty + Eskimo Capers | 1984 | PowerSoft. |
| Sinclair ZX Spectrum cass. | Boxing | 1984 | Silicon Joy |
| Sinclair ZX Spectrum cass. | Brave Knight | 1984 | Visiogame Italy |
| Sinclair ZX Spectrum cass. | Braxx Bluff Model QTC 728 | 1984 | Micromega |
| Sinclair ZX Spectrum cass. | Bridge Player 2 | 1984 | CP Soft. |
| Sinclair ZX Spectrum cass. | Bristles Model 000135 | 1984 | Statesoft State Soft, Ltd. 012294 |
| Sinclair ZX Spectrum cass. | British Pools | 1984 | Rombest |
| Sinclair ZX Spectrum cass. | Broodslayer | 1984 | CCS Cases Computer Simulations, Ltd. London, England |
| Sinclair ZX Spectrum cass. | Bruce Lee | 1984 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Brum-Brum | 1984 | Astor Soft. Portugal |
| Sinclair ZX Spectrum cass. | Bubble Buster Model G32/S | 1984 | Sinclair Research, Ltd. |
| Sinclair ZX Spectrum cass. | Buffer Adventure | 1984 | Buffer Micro |
| Sinclair ZX Spectrum cass. | Bull Run Model PA011 | 1984 | Phipps Associates |
| Sinclair ZX Spectrum cass. |  Bully | 1984 | Unique Computer Services |
| Sinclair ZX Spectrum cass. | Buriabeast | 1984 | Kerian |
| Sinclair ZX Spectrum cass. | Butterfly | 1984 | Pulsonic |
| Sinclair ZX Spectrum cass. | Buzz Off! | 1984 | Electric Soft. |
| Sinclair ZX Spectrum cass. | Byte Bitten Model 000112 | 1984 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | C&VG issue 036 | 1984 | C&VG |
| Sinclair ZX Spectrum cass. | Caesar The Cat | 1984 | Mirrorsoft, Ltd. England |
| Sinclair ZX Spectrum cass. | Caramelos | 1984 | Investronica Spain |
| Sinclair ZX Spectrum cass. | Caramelos + Batalla Naval | 1984 | Investronica Spain |
| Sinclair ZX Spectrum cass. | Card Games | 1984 | Buffer Micro |
| Sinclair ZX Spectrum cass. | Carlo the Clown | 1984 | Calpac Computer |
| Sinclair ZX Spectrum cass. | Carmania | 1984 | Video Soft., Inc. |
| Sinclair ZX Spectrum cass. | Carnival | 1984 | Eclipse Soft. |
| Sinclair ZX Spectrum cass. | Carpet Capers Model TSPC-4 | 1984 | Terminal Soft. |
| Sinclair ZX Spectrum cass. | Casey Jones | 1984 | Blaby Computer Games |
| Sinclair ZX Spectrum cass. | Cassette 4 Vol. 1 | 1984 | Cascade Games, Ltd. |
| Sinclair ZX Spectrum cass. | Castle Blackstar | 1984 | SCR Adventures |
| Sinclair ZX Spectrum cass. | Castle Blackstar | 1984 | CDS Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Castle Colditz | 1984 | Felix Soft. |
| Sinclair ZX Spectrum cass. | Castle Colditz + Battle of the Toothpaste Tubes | 1984 | K-Tel International, Ltd. UK |
| Sinclair ZX Spectrum cass. | Castle of Dreams | 1984 | Widgit Soft., Ltd. UK |
| Sinclair ZX Spectrum cass. | Castle of Terror | 1984 | Melbourne House UK 015901 |
