| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| bagnardi | Le Bagnard (Itisa, Spain) | 1982 | Valadon Automation (Itisa license) | bagman | bagman | |
| bakatono | Bakatonosama Mahjong Manyuuki (MOM-002 ~ MOH-002) | 1991 | Monolith Corp. | neogeo | | |
| bakubaku | Baku Baku Animal (J 950407 V1.000) | 1995 | Sega | stvbios | | |
| bakubrkr | Bakuretsu Breaker (Japan) | 1992 | Kaneko | explbrkr | explbrkr | |
| bakuhatu | Mahjong Bakuhatsu Junjouden (Japan) | 1991 | Nichibutsu | mjgottsu | mjgottsu | |
| bakutotu | Bakutotsu Kijuutei | 1988 | Namco | | | |
| balcube | Bal Cube | 1996 | Metro | | | |
| ballbomb | Balloon Bomber | 1980 | Taito | | | invaders |
| ballboy | Ball Boy | 2003 | bootleg | snowbro3 | snowbro3 | |
| ballbros | Balloon Brothers | 1992 | East Technology | | | |
| balonfgt | Vs. Balloon Fight (set BF4 A-3) | 1984 | Nintendo | | | |
| baluba | Baluba-louk no Densetsu (Japan) | 1986 | Able Corp, Ltd. | | | |
| bam16a0 | VIP-M21502A BAM16-A0 | 198? | AUVA | ibm5170 | ibm5170 | |
| bam2 | Bust a Move 2 - Dance Tengoku Mix (Japanese ROM ver. 1999/07/17 10:00:00) | 1999 | Metro / Enix / Namco | coh1002e | | |
| bambball | Dribble Away Basketball | 1979 | Bambino | | | |
| ban_onep | One Piece Punch Battle (Japan) | 2004 | Bandai / SSD Company LTD | | | |
| bananadr | Mahjong Banana Dream [BET] (Japan 891124) | 1989 | Digital Soft | | | |
| bananas | Bananas Go Bahamas (set 1) | 2002? | Novotech | | | |
| bananasa | Bananas Go Bahamas (set 2) | 2002? | Novotech | bananas | bananas | |
| banbam | BanBam | 1984 | Sun Electronics | | | |
| banctec | BancTec ESeries Panel | 1989 | DALE Electronics | | | |
| bandggcn | Go! Go! Connie-chan! Asobou Mouse | 1997 | Bandai | | | |
| bandgpad | Multi Game Player Gamepad | 1997 | Bandai | | | |
| bandido | Bandido | 1980 | Nintendo (Exidy license) | sheriff | sheriff | |
| bandit | Bandit (US) | 1989 | Data East USA | | | |
| bang | Bang! | 1998 | Gaelco | | | |
| bangball | Bang Bang Ball (v1.05) | 1996 | Banpresto / Kunihiko Tashiro+Goodhouse | | | |
| bangbead | Bang Bead | 2000 | Visco | neogeo | | |
| bangj | Gun Gabacho (Japan) | 1998 | Gaelco | bang | bang | |
| bankp | Bank Panic | 1984 | Sanritsu / Sega | | | |
| bankrob | Bank Robbery (Ver. 3.32) | 1993 | Entertainment Technology Corp. | | | |
| bankroba | Bank Robbery (Ver. 2.00) | 1993 | Entertainment Technology Corp. | bankrob | bankrob | |
| bankrobb | Bank Robbery (Ver. 1.23) | 1993 | Blitz Systems Inc. | bankrob | bankrob | |
| bankshot | Bank Shot - Electronic Pool | 1980 | Parker Brothers | | | |
| baraduke | Baraduke | 1985 | Namco | aliensec | aliensec | |
| barata | Dona Barata (early prototype) | 2002 | Eletro Matic Equipamentos Eletromec??nicos | | | |
| barbball | Barroom Baseball (prototype) | 1983 | Atari | | | |
| barbwire | Barb Wire | 1996 | Gottlieb | | | genpin |
| barek3mb | Bare Knuckle III (bootleg of Megadrive version) | 1994 | bootleg / Sega | | | |
| barline | Barline (Japan?) | 1988 | Nichibutsu | | | |
| barra_l1 | Barracora (L-1) | 1981 | Williams | | | genpin |
| barricad | Barricade | 1976 | Ramtek | | | |
| barrier | Barrier | 1979 | Cinematronics (Vectorbeam license) | | | barrier |
| baryon | Baryon - Future Assault (set 1) | 1997 | SemiCom / Tirano | | | |
| baryona | Baryon - Future Assault (set 2) | 1997 | SemiCom / Tirano | baryon | baryon | |
| basebal2 | Baseball: The Season II | 1987 | Cinematronics | | | |
| basic31 | MCS BASIC 31 | 1985 | Intel | basic52 | basic52 | |
| basic52 | MCS BASIC 52 | 1985 | Intel | | | |
| basis108 | Basis 108 | 1982 | Basis | apple2 | apple2 | |
| bass | Sega Bass Fishing | 1997 | Sega | | | |
| bassang2 | Bass Angler 2 (GE865 VER. JAA) | 1998 | Konami | fbait2bc | fbait2bc | |
| bassangl | Bass Angler (GE765 VER. JAA) | 1998 | Konami | fbaitbc | fbaitbc | |
| basschal | Sega Bass Fishing Challenge Version A | 2009 | Sega | awbios | | |
| basschalo | Sega Bass Fishing Challenge | 2009 | Sega | basschal | basschal | |
| bassdx | Sega Bass Fishing Deluxe | 1997 | Sega | bass | bass | |
| bassstr | BassStation Rack Analogue Synthesizer Module | 1995 | Novation | | | |
| batcir | Battle Circuit (Euro 970319) | 1997 | Capcom | | | |
| batcira | Battle Circuit (Asia 970319) | 1997 | Capcom | batcir | batcir | |
| batcird | Battle Circuit (Euro 970319 Phoenix Edition) (bootleg) | 1997 | bootleg | batcir | batcir | |
| batcirj | Battle Circuit (Japan 970319) | 1997 | Capcom | batcir | batcir | |
| batlball | Battle Balls (Germany, newer) | 1995 | Seibu Kaihatsu (Tuning license) | senkyu | senkyu | |
| batlballa | Battle Balls (Hong Kong) | 1995 | Seibu Kaihatsu (Metrotainment license) | senkyu | senkyu | |
| batlballe | Battle Balls (Hong Kong, earlier) | 1995 | Seibu Kaihatsu (Metrotainment license) | senkyu | senkyu | |
| batlballo | Battle Balls (Germany, earlier) | 1995 | Seibu Kaihatsu (Tuning license) | senkyu | senkyu | |
| batlballpt | Battle Balls (Portugal) | 1995 | Seibu Kaihatsu | senkyu | senkyu | |
| batlballu | Battle Balls (US) | 1995 | Seibu Kaihatsu (Fabtek license) | senkyu | senkyu | |
| batlbubl | Battle Bubble (v2.00) | 1999 | Banpresto (Limenko license?) | bangball | bangball | |
| batlgear | Battle Gear (Ver 2.40 A) | 1998 | Taito | taitotz | | |
| batlgr2 | Battle Gear 2 (v2.04J) | 2000 | Taito | taitotz | | |
| batlgr2a | Battle Gear 2 (v2.01J) | 2000 | Taito | batlgr2 | batlgr2 | |
| batlzone | Battle Zone (bootleg of Mayday) | 1980 | bootleg (Video Game) | mayday | mayday | |
| batman | Batman | 1991 | Atari Games | | | |
| batman2 | Batman Part 2 | 1981 | bootleg | phoenix | phoenix | |
| batmanf | Batman Forever (4.0) | 1995 | Sega | | | genpin |
| batmanf1 | Batman Forever (1.02) | 1995 | Sega | batmanf | batmanf | genpin |
| batmanf2 | Batman Forever (2.02) | 1995 | Sega | batmanf | batmanf | genpin |
| batmanf3 | Batman Forever (3.0) | 1995 | Sega | batmanf | batmanf | genpin |
| batmanfr | Batman Forever (JUE 960507 V1.000) | 1996 | Acclaim | stvbios | | |
| batrider | Armed Police Batrider (Europe) (Fri Feb 13 1998) | 1998 | Raizing / Eighting | | | |
| batriderc | Armed Police Batrider (China) (Fri Feb 13 1998) | 1998 | Raizing / Eighting | batrider | batrider | |
| batriderhk | Armed Police Batrider (Hong Kong) (Mon Dec 22 1997) | 1998 | Raizing / Eighting | batrider | batrider | |
| batriderj | Armed Police Batrider (Japan, B version) (Fri Feb 13 1998) | 1998 | Raizing / Eighting | batrider | batrider | |
| batriderja | Armed Police Batrider (Japan, older version) (Mon Dec 22 1997) | 1998 | Raizing / Eighting | batrider | batrider | |
| batriderk | Armed Police Batrider (Korea) (Fri Feb 13 1998) | 1998 | Raizing / Eighting | batrider | batrider | |
| batridert | Armed Police Batrider (Taiwan) (Mon Dec 22 1997) | 1998 | Raizing / Eighting | batrider | batrider | |
| batrideru | Armed Police Batrider (USA) (Fri Feb 13 1998) | 1998 | Raizing / Eighting | batrider | batrider | |
| batsugun | Batsugun | 1993 | Toaplan | | | |
| batsuguna | Batsugun (older set) | 1993 | Toaplan | batsugun | batsugun | |
| batsugunb | Batsugun (Korean PCB) | 1993 | Toaplan | batsugun | batsugun | |
| batsugunsp | Batsugun - Special Version | 1993 | Toaplan | batsugun | batsugun | |
| battlane | Battle Lane! Vol. 5 (set 1) | 1986 | Technos Japan (Taito license) | | | |
| battlane2 | Battle Lane! Vol. 5 (set 2) | 1986 | Technos Japan (Taito license) | battlane | battlane | |
| battlane3 | Battle Lane! Vol. 5 (set 3) | 1986 | Technos Japan (Taito license) | battlane | battlane | |
| battlcry | Battlecry (Version E) | 1991 | Home Data | | | |
| battlcryc | Battlecry (Version C) | 1989 | Home Data | battlcry | battlcry | |
| battlcryp | Battlecry (Prototype) | 1989 | Home Data | battlcry | battlcry | |
| battlera | Battle Rangers (World) | 1988 | Data East Corporation | | | |
| battles | Battles (set 1) | 1982 | bootleg | xevious | xevious | battles |
| battles2 | Battles (set 2) | 1982 | bootleg | xevious | xevious | |
| battlex | Battle Cross | 1982 | Omori Electric Co., Ltd. | | | |
| battlnts | Battlantis (program code G) | 1987 | Konami | | | |
| battlntsa | Battlantis (program code F) | 1987 | Konami | battlnts | battlnts | |
| battlntsj | Battlantis (Japan, program code E) | 1987 | Konami | battlnts | battlnts | |
| battroad | The Battle-Road | 1984 | Irem | | | |
| bay_d300 | Baywatch (3.00 Dutch) | 1995 | Sega | baywatch | baywatch | genpin |
| bay_d400 | Baywatch (4.00 English) | 1995 | Sega | baywatch | baywatch | genpin |
| bay_e400 | Baywatch (4.00 Dutch) | 1995 | Sega | baywatch | baywatch | genpin |
| bay1000c | BAY-1000C V1.01 | 198? | Mintek | ibm5170 | ibm5170 | |
| bayroute | Bay Route (set 3, World) (FD1094 317-0116) | 1989 | Sunsoft / Sega | | | |
| bayroute1 | Bay Route (set 1, US) (unprotected) | 1989 | Sunsoft / Sega | bayroute | bayroute | |
| bayrouteb1 | Bay Route (encrypted, protected bootleg) | 1989 | bootleg (Datsu) | bayroute | bayroute | |
| bayrouteb2 | Bay Route (Datsu bootleg) | 1989 | bootleg (Datsu) | bayroute | bayroute | |
| bayrouted | Bay Route (set 3, World) (bootleg of FD1094 317-0116 set) | 1989 | bootleg | bayroute | bayroute | |
| bayroutej | Bay Route (set 2, Japan) (FD1094 317-0115) | 1989 | Sunsoft / Sega | bayroute | bayroute | |
| bayroutejd | Bay Route (set 2, Japan) (bootleg of FD1094 317-0115 set) | 1989 | bootleg | bayroute | bayroute | |
| baywatch | Baywatch | 1995 | Sega | | | genpin |
| bazooka | Bazooka [TTL] | 1976 | Project Support Engineering | | | |
| bazookabr | Bazooka (Brazil) [TTL] | 1977 | Taito do Brasil | bazooka | bazooka | |
| bbakraid | Battle Bakraid - Unlimited Version (USA) (Tue Jun 8 1999) | 1999 | Eighting | | | |
| bbakraidc | Battle Bakraid - Unlimited Version (China) (Tue Jun 8 1999) | 1999 | Eighting | bbakraid | bbakraid | |
| bbakraidj | Battle Bakraid - Unlimited Version (Japan) (Tue Jun 8 1999) | 1999 | Eighting | bbakraid | bbakraid | |
| bbakraidja | Battle Bakraid (Japan) (Wed Apr 7 1999) | 1999 | Eighting | bbakraid | bbakraid | |
| bballoon | BnB Arcade | 2003 | Eolith | | | |
| bballrmt | Baseball (Ramtek) [TTL] | 1974 | Ramtek | | | |
| bballs | Bouncing Balls | 1991 | Comad | | | |
| bballsa | Bouncing Balls (Adult) | 1991 | Comad | bballs | bballs | |
| bbb108 | Big Bang Bar (Beta 1.8 US) | 1996 | Capcom | bbb109 | bbb109 | |
| bbb109 | Big Bang Bar (Beta 1.9 US) | 1996 | Capcom | | | |
| bbbowlin | Big Ball Bowling (Bowler) | 1988 | United | | | genpin |
| bbbxing | Best Bout Boxing (ver 1.3) | 1994 | Jaleco | | | |
| bbc_1mhzbus_slot | BBC Micro 1MHz Bus port | | | | | |
| bbc_acorn1770 | Acorn 1770 FDC | | | | | |
| bbc_acorn8271 | Acorn 8721 FDC | | | | | |
| bbc_acornjoy | Acorn Analogue Joysticks | | | | | |
| bbc_ams3 | AMS 3" Microdrive Disc System | | | | | |
| bbc_amxmouse | AMX Mouse (BBC Micro) | | | | | |
| bbc_analogue_slot | BBC Micro Analogue port | | | | | |
| bbc_ariesb12 | Aries-B12 ROM Expansion | | | | | |
| bbc_ariesb20 | Aries-B20 RAM expansion (w/ Aries-B12) | | | | | |
| bbc_ariesb32 | Aries-B32 RAM expansion (w/ Aries-B12) | | | | | |
| bbc_atplsw | ATPL Sidewise ROM/RAM Expansion | | | | | |
| bbc_atplswp | ATPL Sidewise+ ROM Expansion | | | | | |
| bbc_autocue | Autocue RAM Disc | | | | | |
| bbc_autoprom | ATPL AutoPrommer | | | | | |
| bbc_awhd | Acorn Winchester Disc | | | | | |
| bbc_b488 | Aries-B488 | | | | | |
| bbc_beebide | Sprow BeebIDE 16-bit IDE Interface | | | | | |
| bbc_beebspch | Beeb Speech Synthesiser | | | | | |
| bbc_bitstik1 | Acorn Bitstik | | | | | |
| bbc_bitstik2 | Robo Bitstik 2 | | | | | |
| bbc_cartslot | BBC Master Cartridge Slot | | | | | |
| bbc_cc500 | CTS Colour Card 500 | | | | | |
| bbc_ccibase | Computer Concepts 64K ROM Carrier (Inter-Base) | | | | | |
| bbc_ccispell | Computer Concepts 128K ROM Carrier (SpellMaster) | | | | | |
| bbc_cciword | Computer Concepts 32K ROM Carrier (Inter-Word) | | | | | |
| bbc_chameleon | Micro User Chameleon (DIY) | | | | | |
| bbc_click | Slogger Click (Master 128) cartridge | | | | | |
| bbc_cpalette | Clwyd Technics Colour Palette | | | | | |
| bbc_cumana1 | Cumana QFS 8877A FDC | | | | | |
| bbc_cumana2 | Cumana QFS Issue 2 8877A FDC | | | | | |
| bbc_cumana68k | Cumana 68008 Upgrade Board | | | | | |
| bbc_cv1797 | Computer Village 1797 FDC | | | | | |
| bbc_datacentre | RetroClinic DataCentre | | | | | |
| bbc_emrmidi | EMR BBC Midi Interface | | | | | |
| bbc_exp_slot | BBC Master Compact Expansion port | | | | | |
| bbc_fdc_slot | BBC Micro FDC slot | | | | | |
| bbc_ide8 | RetroClinic BBC 8-bit IDE Interface | | | | | |
| bbc_ieee488 | Acorn IEEE-488 Interface | | | | | |
| bbc_integrab | Computech Integra-β | | | | | |
| bbc_internal_slot | BBC Micro internal boards | | | | | |
| bbc_joyport_slot | BBC Master Compact Joystick/Mouse port | | | | | |
| bbc_m2000 | Hybrid Music 2000 Interface | | | | | |
| bbc_m512mouse | Acorn Master 512 Mouse | | | | | |
| bbc_mega256 | Solidisk Mega 256 cartridge | | | | | |
| bbc_mertec | Mertec Compact Companion | | | | | |
| bbc_microware | Microware DDFS FDC | | | | | |
| bbc_modem_slot | BBC Master Internal Modem port | | | | | |
| bbc_morleyaa | Morley Electronics 'AA' Master ROM Expansion Board | | | | | |
| bbc_mr3000 | Peartree MR3000 ROM Board | | | | | |
| bbc_mr4200 | Peartree MR4200 RAM Board | | | | | |
| bbc_mr4300 | Peartree MR4300 ROM/RAM Board | | | | | |
| bbc_mr4800 | Peartree MR4800 RAM Board | | | | | |
| bbc_mr8000 | MR8000 Master RAM Cartridge | | | | | |
| bbc_mrme00 | BBC Micro MRM E00 DFS | | | | | |
| bbc_msc | Master Smart Cartridge | | | | | |
| bbc_multiform | PEDL Multiform Z80 | | | | | |
| bbc_nvram | BBC Micro Sideways RAM (Battery Backup) | | | | | |
| bbc_opus1770 | Opus D-DOS(B) 1770 FDC | | | | | |
| bbc_opus2791 | Opus 2791 FDC | | | | | |
| bbc_opus2793 | Opus 2793 FDC | | | | | |
| bbc_opus3 | Opus Challenger 3-in-1 | | | | | |
| bbc_opus8272 | Opus 8272 FDC | | | | | |
| bbc_opusa | Opus Challenger ADFS | | | | | |
| bbc_overlay | Vine Micros Romboard '3' (Master OS Overlay) | | | | | |
| bbc_palabe | P.R.E.S. 32K ROM Carrier (ABE) | | | | | |
| bbc_palabep | P.R.E.S. 32K ROM Carrier (ABE+) | | | | | |
| bbc_palmo2 | Instant Mini Office 2 ROM Carrier | | | | | |
| bbc_palqst | Watford Electronics ROM Carrier (Quest Paint) | | | | | |
| bbc_palted | Watford Electronics ROM Carrier (TED) | | | | | |
| bbc_palwap | Watford Electronics ROM Carrier (Wapping Editor) | | | | | |
| bbc_pdram | Micro User Pull Down RAM (DIY) | | | | | |
| bbc_pms64k | PMS 64K Non-Volatile Ram Module | | | | | |
| bbc_pmsgenie | PMS Genie ROM Board | | | | | |
| bbc_pmsrtc | PMS Genie Real Time Clock | | | | | |
| bbc_ram | BBC Micro Sideways RAM | | | | | |
| bbc_ramamp | Ramamp Sideways RAM/ROM Board | | | | | |
| bbc_ramdisc | Morley Electronics RAM Disc | | | | | |
| bbc_raven20 | Raven-20 RAM expansion | | | | | |
| bbc_rom | BBC Micro Sideways ROM | | | | | |
| bbc_romex13 | GCC Romex13 ROM Expansion | | | | | |
| bbc_romslot16 | BBC Micro 16K ROM Slot | | | | | |
| bbc_romslot32 | BBC Micro 32K ROM Slot | | | | | |
| bbc_scsi | Acorn SCSI Host Adaptor | | | | | |
| bbc_scsiaiv | Acorn AIV SCSI Host Adaptor | | | | | |
| bbc_sprite | Logotron Sprite Board | | | | | |
| bbc_stl1770_1 | Solidisk 1770 DDFS Issue 1 FDC | | | | | |
| bbc_stl1770_2 | Solidisk 1770 DDFS Issue 2 FDC | | | | | |
| bbc_stl2m128 | Solidisk Twomeg 128K RAM/ROM Expansion | | | | | |
| bbc_stl4m32 | Solidisk Fourmeg 32K RAM/ROM Expansion | | | | | |
| bbc_stldfdc_1 | Solidisk 8271/1770 DFDC Issue 1 FDC | | | | | |
| bbc_stlrtc | Solidisk Real Time Clock | | | | | |
| bbc_stlswr128 | Solidisk SWR128 - 128K Sideways RAM | | | | | |
| bbc_stlswr16 | Solidisk SWR16 - 16K Sideways RAM | | | | | |
| bbc_stlswr32 | Solidisk SWR32 - 32K Sideways RAM | | | | | |
| bbc_stlswr64 | Solidisk SWR64 - 64K Sideways RAM | | | | | |
| bbc_tracker | Marconi RB2 Tracker Ball | | | | | |
| bbc_tube_32016 | Acorn 32016 2nd processor | | | | | |
| bbc_tube_6502 | Acorn 6502 2nd Processor | | | | | |
| bbc_tube_65c102 | Acorn 65C102 Co-Processor | | | | | |
| bbc_tube_80186 | Acorn 80186 Co-Processor | | | | | |
| bbc_tube_80286 | Acorn 80286 2nd Processor | | | | | |
| bbc_tube_arm | ARM Evaluation System | | | | | |
| bbc_tube_casper | Casper 68000 2nd Processor | | | | | |
| bbc_tube_pcplus | Solidisk PC-Plus Co-Processor | | | | | |
| bbc_tube_rc6502 | ReCo6502 (65C02) | | | | | |
| bbc_tube_rc65816 | ReCo6502 (65C816) | | | | | |
| bbc_tube_slot | BBC Micro Tube port | | | | | |
| bbc_tube_z80 | Acorn Z80 2nd Processor | | | | | |
| bbc_tube_zep100 | Torch Z80 Communicator | | | | | |
| bbc_userport_slot | BBC Micro User port | | | | | |
| bbc_usersplit | BBC Micro User Port Splitter | | | | | |
| bbc_voicebox | Robin Voice Box | | | | | |
| bbc_voltmace3b | Voltmace Delta 3b Twin Joysticks | | | | | |
| bbc_we12rom | Watford Electronics 12 ROM Board | | | | | |
| bbc_we13rom | Watford Electronics 13 ROM Board | | | | | |
| bbc_we32kram | Watford Electronics 32K Shadow RAM | | | | | |
| bbc_weddb2 | Watford Electronics DDB2 1772 FDC | | | | | |
| bbc_weddb3 | Watford Electronics DDB3 1770 FDC | | | | | |
| bbc_weromram | Watford Electronics ROM/RAM Board | | | | | |
| bbca | BBC Micro Model A | 1981 | Acorn Computers | bbcb | bbcb | bbc |