| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| hoopitup21 | Hoop it Up World Tour - 3 on 3 (Rev 21) | 1995 | Atari Games | hoopitup | hoopitup | |
| hoops | Hoops | 1991 | Gottlieb | | | genpin |
| hoops95 | Hoops (Europe/Asia 1.7) | 1995 | Data East Corporation | hoops96 | hoops96 | |
| hoops96 | Hoops '96 (Europe/Asia 2.0) | 1996 | Data East Corporation | | | |
| hoopshot | Hoop Shot (version 05.22) | 1992 | Doyle & Assoc. | | | |
| hopmappy | Hopping Mappy | 1986 | Namco | | | |
| hopper | SWP Hopper Board | 2002 | Sega | naomi | | |
| hopprobo | Hopper Robo | 1983 | Sega | | | |
| horekid | Kid no Hore Hore Daisakusen | 1987 | Nichibutsu | | | |
| horekidb | Kid no Hore Hore Daisakusen (bootleg set 1) | 1987 | bootleg | horekid | horekid | |
| horekidb2 | Kid no Hore Hore Daisakusen (bootleg set 2) | 1987 | bootleg | horekid | horekid | |
| horizon | Horizon (Irem) | 1985 | Irem | | | |
| horocomp | Horoscope Computer | 1979 | Mattel Electronics | | | |
| horseran | Thoroughbred Horse Race Analyzer | 1979 | Mattel Electronics | | | |
| horses4c | Horses For Courses (NSW, Australia) | 2000 | Konami | | | |
| horshoes | American Horseshoes (US) | 1990 | Taito America Corporation | | | |
| hostinv | Host Invaders | 1998 | The Game Room | | | |
| hot304 | HOT-304 | 198? | Shuttle Computer International | ibm5170 | ibm5170 | |
| hot307h | HOT-307H | 198? | Shuttle Computer International | ibm5170 | ibm5170 | |
| hot409 | HOT-409 | 199? | Shuttle Computer International | ibm5170 | ibm5170 | |
| hot419 | HOT-419 | 199? | Shuttle Computer International | ibm5170 | ibm5170 | |
| hot433 | HOT-433 | 199? | Shuttle Computer International | ibm5170 | ibm5170 | |
| hotbi13b | HB-8000 Hotbit 1.3b (MSX1, Brazil) | 198? | Sharp / Epcom | hotbi13p | hotbi13p | |
| hotbi13p | HB-8000 Hotbit 1.3p (MSX1, Brazil) | 198? | Sharp / Epcom | | | |
| hotbit20 | HB-8000 Hotbit 2.0 (MSX2) | 1986 | Sharp / Epcom | | | |
| hotblock | Hot Blocks - Tetrix II (set 1) | 1993 | NIX? | | | |
| hotblocka | Hot Blocks - Tetrix II (set 2) | 1993 | NIX? | hotblock | hotblock | |
| hotblockb | Hot Blocks - Tetrix II (set 3) | 1993 | NIX? | hotblock | hotblock | |
| hotbody | Hot Body I | 1995 | Gameace | | | |
| hotbody2 | Hot Body II | 1995 | Gameace | | | |
| hotbubl | Hot Bubble (Korea, with adult pictures) | 1998 | Afega (Pandora license) | bubl2000 | bubl2000 | |
| hotbubla | Hot Bubble (Korea) | 1998 | Afega (Pandora license) | bubl2000 | bubl2000 | |
| hotchase | Hot Chase (set 1) | 1988 | Konami | | | |
| hotchasea | Hot Chase (set 2) | 1988 | Konami | hotchase | hotchase | |
| hotchili | Hot Chilli (95103, v0104) | 1995 | Pacific Gaming Pty Ltd. | | | |
| hotd | The House of the Dead (Revision A) | 1997 | Sega | | | |
| hotd2 | The House of the Dead 2 (USA) | 1998 | Sega | hod2bios | | |
| hotd2e | The House of the Dead 2 (Export) | 1998 | Sega | hotd2 | hotd2 | |
| hotd2o | The House of the Dead 2 | 1998 | Sega | hotd2 | hotd2 | |
| hotd2p | The House of the Dead 2 (prototype) | 1998 | Sega | hotd2 | hotd2 | |
| hotd3 | The House of the Dead III (GDX-0001) | 2002 | Sega / Wow Entertainment | chihiro | | |
| hotd4 | The House of the Dead 4 (Export) (Rev B) | 2005 | Sega | lindbios | | |
| hotd4a | The House of the Dead 4 (Export) (Rev A) | 2005 | Sega | hotd4 | hotd4 | |
| hotdebut | Quiz de Idol! Hot Debut (Japan) | 2000 | MOSS / Psikyo | | | |
| hotdex | The House of the Dead EX (Japan) | 2008 | Sega | lindbios | | |
| hotdo | The House of the Dead | 1997 | Sega | hotd | hotd | |
| hotdoggn | Hotdoggin' | 1980 | Bally | | | genpin |
| hotdogst | Hotdog Storm (Korea) | 1996 | Marble (Ace International license) | | | |
| hotdp | The House of the Dead (prototype) | 1997 | Sega | hotd | hotd | |
| hotgm4ev | Taisen Hot Gimmick 4 Ever (Japan) | 2000 | Psikyo | | | |
| hotgmck | Taisen Hot Gimmick (Japan) | 1997 | Psikyo | | | |
| hotgmck3 | Taisen Hot Gimmick 3 Digital Surfing (Japan) | 1999 | Psikyo | | | |
| hotgmcki | Mahjong Hot Gimmick Integral (Japan) | 2001 | Psikyo | | | |
| hotgmkmp | Taisen Hot Gimmick Mix Party | 2005 | XNauts | | | |
| hothand | Hot Hand | 1979 | Stern | | | genpin |
| hotmemry | Hot Memory (V1.2, Germany, 12/28/94) | 1994 | Incredible Technologies (Tuning license) | pairs | pairs | |
| hotmemry11 | Hot Memory (V1.1, Germany, 11/30/94) | 1994 | Incredible Technologies (Tuning license) | pairs | pairs | |
| hotmind | Hot Mind (Hard Times hardware) | 1995 | Playmark | | | |
| hotminda | Hot Mind (adjustable prize) | 1995 | Playmark | hotmind | hotmind | |
| hotmindff | Hot Mind (Fit of Fighting hardware) | 199? | Playmark | hotmind | hotmind | |
| hotnight | Hot Night | 1994 | Bulldog Amusements Inc. | newfant | newfant | |
| hotpinbl | Hot Pinball | 1995 | Comad & New Japan System | | | |
| hotrod | Hot Rod (World, 3 Players, Turbo set 1, Floppy Based) | 1988 | Sega | | | |
| hotroda | Hot Rod (World, 3 Players, Turbo set 2, Floppy Based) | 1988 | Sega | hotrod | hotrod | |
| hotrodj | Hot Rod (Japan, 4 Players, Floppy Based, Rev C) | 1988 | Sega | hotrod | hotrod | |
| hotrodja | Hot Rod (Japan, 4 Players, Floppy Based, Rev B) | 1988 | Sega | hotrod | hotrod | |
| hotshock | Hot Shocker | 1982 | E.G. Felaco (Domino license) | | | |
| hotshockb | Hot Shocker (early revision?) | 1982 | E.G. Felaco | hotshock | hotshock | |
| hotshots | Hot Shots | 1989 | Gottlieb | | | genpin |
| hotshotsf | Hot Shots (French) | 1989 | Gottlieb | hotshots | hotshots | genpin |
| hotshotsg | Hot Shots (German) | 1989 | Gottlieb | hotshots | hotshots | genpin |
| hotslot | Hot Slot (ver. 05.01) | 1996 | ABM Games | | | |
| hotslots | Hot Slots (6.00) | 2002 | Impera | | | |
| hotsmash | Vs. Hot Smash | 1987 | Kaneko / Taito | | | |
| hotstuff | Olympic Hot Stuff (TAS 5 Reel System) | ???? | Olympic Video Gaming | | | |
| hottop | Hot Toppings (English) | 2003 | WMS | | | |
| hottopa | Hot Toppings (Russian?) | 2001 | WMS | hottop | hottop | |
| hotwheel | Hot Wheels | 1979 | Zaccaria | | | genpin |
| hotwhl2p | Hot Wheels (2 player, pad controllers) | 2006 | Mattel | | | |
| hotwhls | Hot Wheels (steering wheel controller) | 2005 | Mattel | | | |
| hourouki | Mahjong Hourouki Part 1 - Seishun Hen (Japan) | 1987 | Home Data | | | |
| houseball | House Ball | 1989 | Olakoa | | | |
| housecard | House of Cards (HSC1) | 1983 | Merit | pitboss | pitboss | |
| househrt | House of Hearts (10200311, NSW/ACT) | 2004 | Aristocrat | aristmk6 | | |
| househrta | House of Hearts (10208411, ASP) | 2005 | Aristocrat | househrt | househrt | |
| housemn2 | House Mannequin Roppongi Live hen (Japan 870418) | 1987 | Nichibutsu | | | |
| housemnq | House Mannequin (Japan 870217) | 1987 | Nichibutsu | | | |
| howzat | Howzat! | 1980 | Hankin | | | genpin |
| hp_1ma6 | HP 1MA6 | | | | | |
| hp_1mb5 | HP 1MB5 | | | | | |
| hp_46060b | HP 46060B Mouse | | | | | |
| hp_dc100_tape | HP DC100 tape drive | | | | | |
| hp_hil_mlc | HP-HIL Master Link Controller | | | | | |
| hp_hil_slot | HP-HIL Slot | | | | | |
| hp_ipc | Integral Personal Computer 9807A | 1985 | Hewlett-Packard | | | |
| hp_ipc_hle_kbd | HP Integral Keyboard (HLE) | | | | | |
| hp_ipc_io_slot | HP IPC I/O Slot | | | | | |
| hp_ipc_optrom | HP IPC optional ROM | | | | | |
| hp_itf_hle_kbd | HP ITF Keyboard | | | | | |
| hp_phi | HP Processor-to-HPIB Interface | | | | | |
| hp_taco | HP TACO | | | | | |
| hp16500b | HP 16500b | 1991 | Hewlett Packard | | | |
| hp1650b | HP 1650b | 1989 | Hewlett Packard | | | |
| hp1651b | HP 1651b | 1989 | Hewlett Packard | | | |
| hp165ka0 | HP 16500a | 1991 | Hewlett Packard | | | |
| hp1ll3 | Hewlett-Packard 1LL3-0005 GPU | | | | | |
| hp2100 | HP 2100 | 1966 | Hewlett-Packard | | | |
| hp2622a | HP-2622A | 1982 | HP | | | |
| hp2640_tape | HP2640 tape subsystem | | | | | |
| hp2641 | HP 2641A | 1976 | Hewlett-Packard | | | |
| hp2645 | HP 2645A | 1976 | Hewlett-Packard | | | |
| hp3478a | HP 3478A Multimeter | 1983 | HP | | | |
| hp38g | HP38G | 1995 | Hewlett Packard | | | |
| hp39g | HP39G | 2000 | Hewlett Packard | | | |
| hp48_port_image | HP48 memory card | | | | | |
| hp48g | HP48G | 1993 | Hewlett Packard | hp48gx | hp48gx | |
| hp48gp | HP48G+ | 1998 | Hewlett Packard | hp48gx | hp48gx | |
| hp48gx | HP48GX | 1993 | Hewlett Packard | | | |
| hp48s | HP48S | 1991 | Hewlett Packard | hp48sx | hp48sx | |
| hp48sx | HP48SX | 1990 | Hewlett Packard | | | |
| hp49g | HP49G | 1999 | Hewlett Packard | | | |
| hp49gp | HP49G+ | 2009 | Hewlett Packard | | | |
| hp64k | HP 64000 | 1979 | HP | | | |
| hp700_70 | HP 700/70 Windowing Terminal | 1994 | Hewlett-Packard | | | |
| hp700_92 | HP 700/92 Display Terminal | 1987 | Hewlett-Packard | | | |
| hp7596a | HP 7596A DraftMaster II | 1988 | Hewlett-Packard | | | |
| hp80_io_slot | HP80 I/O Slot | | | | | |
| hp80_optrom | HP80 optional ROM | | | | | |
| hp82900 | HP82900 card | | | | | |
| hp82919 | HP82919 card | | | | | |
| hp82937 | HP82937 card | | | | | |
| hp82939 | HP82939 card | | | | | |
| hp85 | HP 85 | 1980 | HP | | | |
| hp86b | HP 86B | 1983 | HP | | | |
| hp86b_001 | HP 86B Opt 001 | 1983 | HP | hp86b | hp86b | |
| hp86b_004 | HP 86B Opt 004 | 1983 | HP | hp86b | hp86b | |
| hp9122c | HP9122C Dual High density disk drive | | | | | |
| hp9133 | HP9133 Floppy/Fixed disk drive | | | | | |
| hp95lx | HP 95LX | 1991 | Hewlett-Packard | | | |
| hp98032 | HP98032 card | | | | | |
| hp98032_gpio_slot | HP98032 GPIO slot | | | | | |
| hp98032_loopback | HP98032 loopback connector | | | | | |
| hp98034 | HP98034 card | | | | | |
| hp98035 | HP98035 card | | | | | |
| hp98036 | HP98036 card | | | | | |
| hp98046 | HP98046 card | | | | | |
| hp9808a | Integral Personal Computer 9808A | 1985 | Hewlett-Packard | | | |
| hp9816 | HP 9816 | 1982 | Hewlett Packard | | | |
| hp9816a | HP 9816A | 1982 | Hewlett-Packard | | | |
| hp9825_optrom | HP9825 optional ROM | | | | | |
| hp9825_tape | HP9825 tape sub-system | | | | | |
| hp9825a | HP 9825A | 1976 | Hewlett-Packard | | | |
| hp9825b | HP 9825B | 1980 | Hewlett-Packard | | | |
| hp9825t | HP 9825T | 1980 | Hewlett-Packard | | | |
| hp98265a | HP98265A SCSI S16 Interface | | | | | |
| hp9826a | HP 9826A | 1981 | Hewlett-Packard | | | |
| hp9831 | HP 9831A | 1977 | Hewlett-Packard | | | |
| hp9835a | 9835A | 1979 | Hewlett-Packard | | | |
| hp9835b | 9835B | 1979 | Hewlett-Packard | hp9835a | hp9835a | |
| hp9836a | HP 9836A | 1981 | Hewlett-Packard | | | |
| hp9836c | HP 9836C | 1983 | Hewlett-Packard | | | |
| hp9845_optrom | HP9845 optional ROM | | | | | |
| hp9845_prt | HP9845 internal printer | | | | | |
| hp9845a | 9845A | 1977 | Hewlett-Packard | | | |
| hp9845b | 9845B | 1979 | Hewlett-Packard | | | |
| hp9845b_de | 9845B (Germany) | 1979 | Hewlett-Packard | hp9845b | hp9845b | |
| hp9845c | 9845C | 1980 | Hewlett-Packard | | | |
| hp9845c_de | 9845C (Germany) | 1980 | Hewlett-Packard | hp9845c | hp9845c | |
| hp9845s | 9845S | 1977 | Hewlett-Packard | hp9845a | hp9845a | |
| hp9845t | 9845T | 1982 | Hewlett-Packard | | | |
| hp9845t_de | 9845T (Germany) | 1982 | Hewlett-Packard | hp9845t | hp9845t | |
| hp98620 | HP98620 DMA Controller | | | | | |
| hp9871 | HP9871 printer | | | | | |
| hp9885 | HP9885 floppy drive | | | | | |
| hp9895 | HP9895 | | | | | |
| hp98x5_io_slot | HP98x5 I/O Slot | | | | | |
| hp98x5_io_sys | HP98x5 I/O sub-system | | | | | |
| hp98x6_optrom | HP98x6 optional ROM | | | | | |
| hp98x6_upi | UPI of HP98x6 systems | | | | | |
| hp9k310 | HP9000/310 | 1985 | Hewlett-Packard | | | |
| hp9k320 | HP9000/320 | 1985 | Hewlett-Packard | | | |
| hp9k330 | HP9000/330 | 1987 | Hewlett-Packard | | | |
| hp9k332 | HP9000/332 | 1987 | Hewlett-Packard | | | |
| hp9k340 | HP9000/340 | 1989 | Hewlett-Packard | hp9k330 | hp9k330 | |
| hp9k360 | HP9000/360 | 1988 | Hewlett-Packard | hp9k330 | hp9k330 | |
| hp9k370 | HP9000/370 | 1988 | Hewlett-Packard | hp9k330 | hp9k330 | |
| hp9k380 | HP9000/380 | 1991 | Hewlett-Packard | | | |
| hp9k382 | HP9000/382 | 1991 | Hewlett-Packard | | | |
| hparadis | Super Hana Paradise (Japan) | 1994 | Dynax | | | |
| hpblp | HP Basic Language Coprocessor | | | | | |
| hpc1 | SGI HPC1 | | | | | |
| hpc3 | SGI HPC3 | | | | | |
| hpc46003 | HPC46003 | | | | | |
| hpc46104 | HPC46104 | | | | | |
| hpierrot | Happy Pierrot (V987271) | 1996 | NTC / NMK | | | |
| hpierrota | Happy Pierrot (V968210) | 1996 | NTC / NMK | hpierrot | hpierrot | |
| hplanet | Happy Planet | 2001 | Namco | | | |
| hpolym84 | Hyper Olympic '84 | 1984 | Konami | hyperspt | hyperspt | |
| hppyvideo | Happy Video | 20?? | Leyaoyao Happy Kids? | | | |
| hprot1 | Henry Prot I v19 (REV.1) | 2002 | HENRY | | | |
| hprot2r6 | Henry Prot CARD II (REV.6) | 2003 | HENRY | hprot1 | hprot1 | |
| hprotr8a | Henry Prot CARD I (REV.08A) | 2006 | HENRY | hprot1 | hprot1 | |
| hpuncher | Hard Puncher (Japan) | 1988 | Konami | fround | fround | |
| hpyagu98 | Hanguk Pro Yagu 98 | 1998 | Deniam | | | |
| hpz80unk | unknown Z80-based mainframe | 1977 | Hewlett-Packard | | | |
| hr16 | HR-16 | 1987 | Alesis | | | |
| hr16b | HR-16B | 1989 | Alesis | hr16 | hr16 | |
| hr84 | HR-84 | 1982 | Iskra | | | |
| hrclass | Home Run Classic (v1.21 12-feb-1997) | 1997 | Creative Electronics And Software | | | |
| hrdtimes | Hard Times (set 1) | 1994 | Playmark | | | |
| hrdtimesa | Hard Times (set 2) | 1994 | Playmark | hrdtimes | hrdtimes | |
| hrdvd_atactrl | High Rate DVD ATA controller device | | | | | |
| hrtantny | Heart of Antony (0252526, US) | 2005 | Aristocrat | antcleo | antcleo | |
| hrthouse | To Heart House | 200? | Limenko | | | |
| hrtthrob | Heart Throb (01J02866, Venezuela) | 2006 | Aristocrat | swhr2 | swhr2 | |
| hs_l3 | High Speed (L-3) | 1986 | Williams | hs_l4 | hs_l4 | genpin |
| hs_l4 | High Speed (L-4) | 1986 | Williams | | | genpin |
| hs36blk | HengSheng 36-in-1 (Black pad) | 2010 | HengSheng | | | |
| hs36red | HengSheng 36-in-1 (Red pad) | 2010 | HengSheng | | | |
| hs80 | HS-80 Programmable Polyphonic Synthesizer | 1986 | Roland | ajuno2 | ajuno2 | |
| hsf2 | Hyper Street Fighter II: The Anniversary Edition (USA 040202) | 2004 | Capcom | | | |
| hsf2a | Hyper Street Fighter II: The Anniversary Edition (Asia 040202) | 2004 | Capcom | hsf2 | hsf2 | |
| hsf2d | Hyper Street Fighter II: The Anniversary Edition (Asia 040202 Phoenix Edition) (bootleg) | 2004 | bootleg | hsf2 | hsf2 | |
| hsf2j | Hyper Street Fighter II: The Anniversary Edition (Japan 040202) | 2004 | Capcom | hsf2 | hsf2 | |
| hsf2j1 | Hyper Street Fighter II: The Anniversary Edition (Japan 040123) | 2004 | Capcom | hsf2 | hsf2 | |
| hsf2j2 | Hyper Street Fighter II: The Anniversary Edition (Japan 031222) | 2004 | Capcom | hsf2 | hsf2 | |
| hshavoc | High Seas Havoc | 1993 | Data East Corporation | | | |
| hsheng2 | Hua Shen II (v120DI) | 1995 | IGS | | | |
| hshot_p8 | Hot Shot Basketball (P-8) | 1992 | Midway | | | |
| hspot2 | Hot Spot 2 | 2002? | Novotech | | | |
| hspot3 | Hot Spot 3 | 2002? | Novotech | | | |
| hstennis | Hot Shots Tennis (V1.1) | 1990 | Strata / Incredible Technologies | | | |
| hstennis10 | Hot Shots Tennis (V1.0) | 1990 | Strata / Incredible Technologies | hstennis | hstennis | |
| hstrtpls | HeadStart Plus | 198? | Vendex | ibm5150 | ibm5150 | |
| ht108064 | HT-1080Z/64 | 1985 | Hiradastechnika Szovetkezet | eg3003 | eg3003 | |
| ht1080z | HT-1080Z Series I | 1983 | Hiradastechnika Szovetkezet | eg3003 | eg3003 | |
| ht1080z2 | HT-1080Z Series II | 1984 | Hiradastechnika Szovetkezet | eg3003 | eg3003 | |
| ht1130 | Holtek HT1130 | | | | | |
| ht1190 | Holtek HT1190 | | | | | |
| ht12a | unknown 286 AT clones (HT12/A chipset) | 19?? | <unknown> | ibm5170 | ibm5170 | |
| ht18c | unknown 386sx AT clones (HT18/C chipset) | 19?? | <unknown> | ibm5170 | ibm5170 | |
| ht280 | Harrison Trainer 280 CNC/Manual | 1992 | T.S.Harrison | bbcm | bbcm | bbc |
| ht280_kbd | Harrison Trainer 280 Keyboard | | | | | |
| ht6000 | HT-6000 | 1987 | Casio | | | |
| ht68k | TinyGiant HT68k | 1987 | Hawthorne Technology | | | |
| htchctch | Hatch Catch | 1995 | SemiCom | | | |
| htengoku | Hanafuda Hana Tengoku (Japan) | 1992 | Dynax | | | |
| hthero93 | Hat Trick Hero '93 (Ver 1.0J 1993/02/28) | 1993 | Taito Corporation | cupfinal | cupfinal | |
| hthero93u | Hat Trick Hero '93 (Ver 1.0A 1993/02/28) | 1993 | Taito Corporation | cupfinal | cupfinal | |
| hthero94 | Hat Trick Hero '94 (Ver 2.2A 1994/05/26) | 1994 | Taito America Corporation | intcup94 | intcup94 | |