| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| psa | Sony PlayStation (Asia-Pacific) | 1995 | Sony Computer Entertainment Inc | psj | psj | |
| psailor1 | Bishoujo Janshi Pretty Sailor 18-kin (Japan) | 1994 | Sphinx | | | |
| psailor2 | Bishoujo Janshi Pretty Sailor 2 (Japan) | 1994 | Sphinx | | | |
| psattack | P's Attack | 2004 | Uniana | | | |
| pse | Sony PlayStation (Europe) | 1995 | Sony Computer Entertainment Inc | psj | psj | |
| pseudo_terminal | Pseudo Terminal | | | | | |
| pseudovia | Apple pseudo-VIA | | | | | |
| psi_hle_kbd | PSI HLE Keyboard | | | | | |
| psi_kbd | PSI Keyboard Interface | | | | | |
| psi98 | PSI98 | 1984 | Kontron | | | |
| psion_3fax | Psion 3-Fax Modem | | | | | |
| psion_3link_par | Psion 3-Link Parallel Printer Interface | | | | | |
| psion_3link_ser | Psion 3-Link RS232 Serial Interface | | | | | |
| psion_asic1 | Psion ASIC1 | | | | | |
| psion_asic2 | Psion ASIC2 | | | | | |
| psion_asic4 | Psion ASIC4 | | | | | |
| psion_asic5 | Psion ASIC5 | | | | | |
| psion_asic9 | Psion ASIC9 V30H | | | | | |
| psion_asic9mx | Psion ASIC9 V30MX | | | | | |
| psion_condor | Psion Condor | | | | | |
| psion_honda_slot | Psion Honda Expansion slot | | | | | |
| psion_module_slot | Psion Extended Internal Expansion slot | | | | | |
| psion_parallel | Psion Parallel Printer Link cable | | | | | |
| psion_pclink | Psion PC Link cable | | | | | |
| psion_psu_asic3 | Psion PSU (ASIC3) | | | | | |
| psion_psu_asic5 | Psion PSU (ASIC5) | | | | | |
| psion_serpar | Psion RS232/Parallel Module | | | | | |
| psion_sibo_slot | Psion Reduced External Expansion slot | | | | | |
| psion_siena_ssd | Psion Siena SSD Drive | | | | | |
| psion_ssd | Psion Solid State Disk | | | | | |
| psion1 | Organiser I | 1984 | Psion | | | |
| psion3 | Series 3 | 1991 | Psion | | | |
| psion3a | Series 3a | 1993 | Psion | | | |
| psion3a_codec | Series 3a A-law Codec | | | | | |
| psion3a2 | Series 3a (2M) | 1995 | Psion | psion3a | psion3a | |
| psion3a2_de | Series 3a (2M) (German) | 1995 | Psion | psion3a | psion3a | |
| psion3a2_it | Series 3a (2M) (Italian) | 1995 | Psion | psion3a | psion3a | |
| psion3a2_ru | Series 3a (2M) (Russian) | 1997 | Psion | psion3a | psion3a | |
| psion3a2_us | Series 3a (2M) (US) | 1995 | Psion | psion3a | psion3a | |
| psion3c | Series 3c | 1996 | Psion | | | |
| psion3mx | Series 3mx | 1998 | Psion | | | |
| psion3mx_fr | Series 3mx (French) | 1998 | Psion | psion3mx | psion3mx | |
| psion3s | Series 3s | 1994 | Psion | psion3 | psion3 | |
| psion5mx | Series 5mx | 1999 | Psion | | | |
| psioncm | Organiser II CM | 1986 | Psion | | | |
| psioncmm | Organiser II CM Multilingual | 1988 | Psion | psioncm | psioncm | |
| psionhc100 | HC 100 | 1991 | Psion | psionhc120 | psionhc120 | |
| psionhc110 | HC 110 | 1991 | Psion | psionhc120 | psionhc120 | |
| psionhc120 | HC 120 | 1991 | Psion | | | |
| psionla | Organiser II LA | 1986 | Psion | psioncm | psioncm | |
| psionlam | Organiser II LA Multilingual | 1988 | Psion | psioncm | psioncm | |
| psionlz | Organiser II LZ | 1989 | Psion | | | |
| psionlz64 | Organiser II LZ64 | 1989 | Psion | psionlz | psionlz | |
| psionp200 | Organiser II POS 200 | 1987 | Psion | psioncm | psioncm | |
| psionp200a | Organiser II Alpha POS 200 | 1987 | Psion | psioncm | psioncm | |
| psionp250 | Organiser II P 250 | 1988 | Psion | psioncm | psioncm | |
| psionp350 | Organiser II P 350 | 1988 | Psion | psioncm | psioncm | |
| psionp432 | Organiser II P 432 | 1989 | Psion | psionlz | psionlz | |
| psionp464 | Organiser II P 464 | 1989 | Psion | psionlz | psionlz | |
| psionwa | Workabout | 1995 | Psion | | | |
| psionwamx | Workabout mx | 1998 | Psion | | | |
| psionxp | Organiser II XP | 1986 | Psion | psioncm | psioncm | |
| psj | Sony PlayStation (Japan) | 1994 | Sony Computer Entertainment Inc | | | |
| psmash3 | Power Smash 3 / Virtua Tennis 3 (Export) | 2006 | Sega | lindbios | | |
| psoldier | Perfect Soldiers (Japan) | 1993 | Irem | ssoldier | ssoldier | |
| pspikes | Power Spikes (World) | 1991 | Video System Co. | | | |
| pspikes2 | Power Spikes II (NGM-068) | 1994 | Video System Co. | neogeo | | |
| pspikesb | Power Spikes (bootleg) | 1991 | bootleg | pspikes | pspikes | |
| pspikesba | Power Spikes (Italian bootleg) | 1991 | bootleg (Playmark?) | pspikes | pspikes | |
| pspikesc | Power Spikes (China, bootleg) | 1991 | bootleg | pspikes | pspikes | |
| pspikesk | Power Spikes (Korea) | 1991 | Video System Co. | pspikes | pspikes | |
| pspikesm | Power Spikes (Modular System) | 199? | bootleg (Gaelco / Ervisa) | pspikes | pspikes | |
| pspikesu | Power Spikes (US) | 1991 | Video System Co. | pspikes | pspikes | |
| psr11 | Portatone PSR-11 | 1986 | Yamaha | | | |
| psr110 | PSR-110 | 1993 | Yamaha | psr150 | psr150 | |
| psr150 | PSR-150 | 1992 | Yamaha | | | |
| psr16 | PSR-16 | 1988 | Yamaha | | | |
| psr160 | PSR-160 | 2000 | Yamaha | psr260 | psr260 | |
| psr180 | PSR-180 | 1994 | Yamaha | | | |
| psr190 | PSR-190 | 1996 | Yamaha | | | |
| psr2000 | PSR-2000 | 2001 | Yamaha | | | |
| psr260 | PSR-260 | 2000 | Yamaha | | | |
| psr340 | PSR-340 PortaSound | 1994 | Yamaha | | | |
| psr36 | PSR-36 | 1988 | Yamaha | | | |
| psr40 | PSR-40 | 1985 | Yamaha | | | |
| psr500 | PSR-500 | 1991 | Yamaha | | | |
| psr540 | PSR540 | 1999 | Yamaha | | | |
| psr60 | PSR-60 PortaSound | 1985 | Yamaha | | | |
| psr70 | PSR-70 PortaSound | 1985 | Yamaha | psr60 | psr60 | |
| psr75 | PSR-75 | 1992 | Yamaha | psr150 | psr150 | |
| psr76 | PSR-76 | 1994 | Yamaha | psr180 | psr180 | |
| psr78 | PSR-78 | 1996 | Yamaha | psr190 | psr190 | |
| psr79 | PSR-79 | 1998 | Yamaha | | | |
| psrockmn | Panic Shot Rockman | 1992 | Capcom | | | |
| pss11 | PSS-11 | 1992 | Yamaha | psr150 | psr150 | |
| pss12 | PSS-12 | 1994 | Yamaha | | | |
| pss21 | PSS-21 | 1992 | Yamaha | psr150 | psr150 | |
| pss31 | PSS-31 | 1992 | Yamaha | psr150 | psr150 | |
| pss480 | PSS-480 / PSS-580 | 1988 | Yamaha | | | |
| pss6 | PSS-6 | 1994 | Yamaha | pss12 | pss12 | |
| pss61 | Super Mario Kart / Super Mario Collection / Star Fox (Super Famicom Box) | 1994 | Nintendo | sfcbox | | |
| pss62 | New Super 3D Golf Simulation - Waialae no Kiseki / Super Mahjong 2 (Super Famicom Box) | 1994 | T&E Soft / I'Max | sfcbox | | |
| pss63 | Super Donkey Kong / Super Tetris 2 + Bombliss (Super Famicom Box) | 1994 | Nintendo / BPS | sfcbox | | |
| pss64 | Super Donkey Kong / Super Bomberman 2 (Super Famicom Box) | 199? | Nintendo / Hudson Soft | sfcbox | | |
| pss680 | PSS-680 | 1988 | Yamaha | | | |
| pss780 | PSS-780 | 1989 | Yamaha | pss680 | pss680 | |
| pssj3 | PSSJ-3 | | | | | |
| pstadium | Mahjong Panic Stadium (Japan) | 1990 | Nichibutsu | | | |
| pstlpkr | Pistol Poker (R02) | 1993 | Alvin G | | | genpin |
| pstlpkr1 | Pistol Poker (R01) | 1993 | Alvin G | pstlpkr | pstlpkr | genpin |
| pstone | Power Stone | 1999 | Capcom | naomi | | |
| pstone2 | Power Stone 2 | 2000 | Capcom | naomi | | |
| pstone2b | Power Stone 2 (bootleg) | 2000 | Capcom | pstone2 | pstone2 | |
| psu | Sony PlayStation (USA) | 1995 | Sony Computer Entertainment Inc | psj | psj | |
| psurge | Power Surge | 1988 | Vision Electronics | | | |
| psx_analog_joystick | Playstation Analog Joystick | | | | | |
| psx_cd | PSX CD-ROM | | | | | |
| psx_controller_port | Playstation Controller Port | | | | | |
| psx_dualshock_pad | Playstation Dualshock Pad | | | | | |
| psx_multitap | Playstation Multitap | | | | | |
| psx_parallel_slot | Playstation Parallel Slot | | | | | |
| psx_standard_controller | Playstation Standard Controller | | | | | |
| psxcard | Sony PSX Memory Card | | | | | |
| psxcontrollerports | Playstation Controller Bus | | | | | |
| psxdma | Sony PSX DMA | | | | | |
| psxgboost | Datel Game Booster for Playstation | | | | | |
| psxirq | Sony PSX IRQ | | | | | |
| psxmdec | Sony PSX MDEC | | | | | |
| psxrcnt | Sony PSX RCNT | | | | | |
| psxsio0 | Sony PSX SIO-0 | | | | | |
| psxsio1 | Sony PSX SIO-1 | | | | | |
| psxspu | PlayStation SPU | | | | | |
| psychic5 | Psychic 5 (World) | 1987 | Jaleco / NMK | | | |
| psychic5j | Psychic 5 (Japan) | 1987 | Jaleco / NMK | psychic5 | psychic5 | |
| psychos | Psycho Soldier (US) | 1987 | SNK | | | |
| psychosj | Psycho Soldier (Japan) | 1987 | SNK | psychos | psychos | |
| psyforce | Psychic Force (Ver 2.4O) | 1995 | Taito | coh1000t | | |
| psyforcej | Psychic Force (Ver 2.4J) | 1995 | Taito | psyforce | psyforce | |
| psyforcex | Psychic Force EX (Ver 2.0J) | 1995 | Taito | psyforce | psyforce | |
| psyvar2 | Psyvariar 2 - The Will To Fabricate (Japan) (GDL-0024) | 2003 | Success | naomigd | | |
| psyvaria | Psyvariar -Medium Unit- (V2.02O 2000/02/22 13:00) | 2000 | Success | coh3002t | | |
| psyvarij | Psyvariar -Medium Unit- (V2.04J 2000/02/15 11:00) | 2000 | Success | psyvaria | psyvaria | |
| psyvarrv | Psyvariar -Revision- (V2.04J 2000/08/11 22:00) | 2000 | Success | coh3002t | | |
| pt319a | PT-319A | 199? | Pine | ibm5170 | ibm5170 | |
| pt430 | PT-430 | 199? | Pine Technology | ibm5170 | ibm5170 | |
| pt432b | PT-432b aka SR-M401-A | 199? | Pine Technology | ibm5170 | ibm5170 | |
| pt581392 | 386 motherboard using the Forex FRX46C402 + FRX46C411 + SiS 85C206 chipset | 199? | <unknown> | ibm5170 | ibm5170 | |
| pt68k2 | PT68K2 | 1988 | Peripheral Technology | | | |
| pt68k4 | PT68K4 | 1990 | Peripheral Technology | | | |
| ptblank | Point Blank (World, GN2 Rev B, set 1) | 1994 | Namco | | | |
| ptblank2 | Point Blank 2 (World, GNB5/VER.A) | 1999 | Namco | | | |
| ptblank2a | Point Blank 2 (World, GNB2/VER.A) | 1999 | Namco | ptblank2 | ptblank2 | |
| ptblank2b | Point Blank 2 (World, GNB2/VER.A alt) | 1999 | Namco | ptblank2 | ptblank2 | |
| ptblank2c | Point Blank 2 (World, unknown version) | 1999 | Namco | ptblank2 | ptblank2 | |
| ptblank2ua | Point Blank 2 (US, GNB3/VER.A) | 1999 | Namco | ptblank2 | ptblank2 | |
| ptblank3 | Point Blank 3 (World, GNN2 Ver.A) | 2000 | Namco | | | |
| ptblanka | Point Blank (World, GN2 Rev B, set 2) | 1994 | Namco | ptblank | ptblank | |
| ptc100 | PTC-100 | 198? | Grundig | mupid2 | mupid2 | |
| ptm6840 | MC6840 PTM | | | | | |
| ptmb457 | MB457 | 199? | PowerTech | ibm5170 | ibm5170 | |
| ptrain | Panda Train (Novamatic 1.7) | 1999 | Subsino | | | |
| ptraina | Panda Train (Ver. 1.3) | 1999 | Subsino | ptrain | ptrain | |
| ptrmj | PT Reach Mahjong (Japan) | 1979 | Irem | | | ptrmj |
| pturn | Parallel Turn | 1984 | Jaleco | | | |
| pubball | Power Up Baseball (prototype) | 1996 | Midway / Incredible Technologies | | | |
| pubtimed | Pub Time Darts | 1987 | Merit-Nomac Industries | | | |
| pubtimed2ch | Pub Time Darts II Plus 2 with Solo Challenger (Mar 24, 1992) | 1992 | Merit | | | |
| pubtimeda | Pub Time Darts v1.4 | 1990 | Merit-Nomac Industries | | | |
| puchicar | Puchi Carat (Ver 2.02O 1997/10/29) | 1997 | Taito Corporation | | | |
| puchicarj | Puchi Carat (Ver 2.02J 1997/10/29) | 1997 | Taito Corporation | puchicar | puchicar | |
| puchicaru | Puchi Carat (Ver 2.04A 1997/11/08) | 1997 | Taito America Corporation | puchicar | puchicar | |
| puckimon | Pucki & Monsters | 1982 | Romtec | | | |
| puckman | Puck Man (Japan, set 1) | 1980 | Namco | | | |
| puckmana | Puck Man (Alca bootleg) | 1980 | bootleg (Alca) | puckman | puckman | |
| puckmanb | Puck Man (bootleg, set 1) | 1980 | bootleg | puckman | puckman | |
| puckmanb3 | Puck Man (bootleg, set 3) | 1981 | bootleg | puckman | puckman | |
| puckmanf | Puck Man (speedup hack) | 1980 | hack | puckman | puckman | |
| puckmanh | Puck Man (bootleg, set 2) | 1980 | bootleg (Falcom?) | puckman | puckman | |
| puckmod | Puck Man (Japan, set 2) | 1981 | Namco | puckman | puckman | |
| puckpepl | Puck People | 199? | Microhard | funystrp | funystrp | |
| puckpkmn | Puckman Pockimon Genie 2000 | 2000 | Sun Mixing | | | |
| puckpkmnb | Puckman Pockimon Genie 2000 (bootleg) | 2000 | bootleg | puckpkmn | puckpkmn | |
| pulirula | PuLiRuLa (World, dual PCB) | 1991 | Taito Corporation Japan | | | |
| pulirulaa | PuLiRuLa (World, single PCB) | 1991 | Taito Corporation | pulirula | pulirula | |
| pulirulaj | PuLiRuLa (Japan) | 1991 | Taito Corporation | pulirula | pulirula | |
| pulltabs | Pull Tabs | 1983 | Game-A-Tron | | | |
| pullttrig | Pull The Trigger | 2003 | Digital Silkroad | | | |
| pulsar | Pulsar | 1981 | Sega | | | pulsar |
| pulsarlb | Little Big Board (6000 series) | 1981 | Pulsar | | | |
| pulstar | Pulstar | 1995 | Aicom | neogeo | | |
| pumpactv | TV Pump Active | 200? | Giggle | | | |
| pumpipx2 | Pump it Up The PREX 2 (Premiere 2/2003) | 2002 | Andamiro | pumpitup | | |
| pumpipx2p | Pump it Up EXTRA + Plus (Premiere 2/2003) | 2002 | Andamiro | pumpipx2 | pumpipx2 | |
| pumpipx3 | Pump it Up The PREX 3: The International 4th Dance Floor (X3.2MK3) | 2003 | Andamiro | pumpitup | | |
| pumpipx3a | Pump it Up The PREX 3: The International 4th Dance Floor (INT X3.1MK3) | 2003 | Andamiro | pumpipx3 | pumpipx3 | |
| pumpipx3b | Pump it Up The PREX 3: The International 4th Dance Floor (Korea X3.1MK3) | 2003 | Andamiro | pumpipx3 | pumpipx3 | |
| pumpit1 | Pump It Up: The 1st Dance Floor (ver 0.53.1999.9.31) | 1999 | Andamiro | pumpitup | | |
| pumpit2 | Pump it Up: The 2nd Dance Floor (Feb 28 2000) | 1999 | Andamiro | pumpitup | | |
| pumpit2a | Pump it Up: The 2nd Dance Floor (Dec 27 1999) | 2000 | Andamiro | pumpit2 | pumpit2 | |
| pumpit3 | Pump it Up The O.B.G: The 3rd Dance Floor (v3.04 - Jun 02 2000) | 2000 | Andamiro | pumpitup | | |
| pumpit3a | Pump it Up The O.B.G: The 3rd Dance Floor (v3.03 - May 07 2000) | 2000 | Andamiro | pumpit3 | pumpit3 | |
| pumpit8 | Pump it Up The Rebirth: The 8th Dance Floor (Rebirth/2002) | 2002 | Andamiro | pumpitup | | |
| pumpitc | Pump it Up: The Collection (R5/v3.43 - Nov 14 2000) | 2000 | Andamiro | pumpitup | | |
| pumpite | Pump it Up Extra (Mar 21 2001) | 2001 | Andamiro | pumpitup | | |
| pumpitea | Pump it Up Extra (Mar 08 2001) | 2001 | Andamiro | pumpite | pumpite | |
| pumpito | Pump it Up The O.B.G: The Season Evolution Dance Floor (R4/v3.25 - Aug 27 2000) | 2000 | Andamiro | pumpitup | | |
| pumpitp2 | Pump it Up The Premiere 2: The International 2nd Dance Floor (Premiere 2/2002) | 2002 | Andamiro | pumpitup | | |
| pumpitp3 | Pump it Up The Premiere 3: The International 3rd Dance Floor (Premiere 3/2003 - 28th Mar 2003) | 2003 | Andamiro | pumpitup | | |
| pumpitp3a | Pump it Up The Premiere 3: The International 3rd Dance Floor (Premiere 3/2003 - 17th Mar 2003) | 2003 | Andamiro | pumpitp3 | pumpitp3 | |
| pumpitpc | Pump it Up: The Perfect Collection (R5/v3.52 - Dec 18 2000) | 2000 | Andamiro | pumpitup | | |
| pumpitpr | Pump it Up The Premiere: The International Dance Floor (R6/v4.01 - Feb 22 2001) | 2001 | Andamiro | pumpitup | | |
| pumpitpru | Pump it Up The Premiere: The International Dance Floor (R6/v4.01 - Feb 22 2001 USA) | 2001 | Andamiro | pumpitpr | pumpitpr | |
| pumpitpx | Pump it Up The PREX: The International Dance Floor (REV2 / 101) | 2001 | Andamiro | pumpitup | | |
| pumpitup | Pump It Up BIOS | 1999 | Andamiro | | | |
| punchita | Punch-Out!! (Italian bootleg) | 1984 | bootleg | punchout | punchout | |
| punchkid | Punching Kid (Japan) | 1981 | Irem | olibochu | olibochu | |
| punchout | Punch-Out!! (Rev B) | 1984 | Nintendo | | | |
| punchouta | Punch-Out!! (Rev A) | 1984 | Nintendo | punchout | punchout | |
| punchoutj | Punch-Out!! (Japan) | 1984 | Nintendo | punchout | punchout | |
| punchy | Punchy The Clown (R02) | 1993 | Alvin G | | | genpin |
| punchy3 | Punchy The Clown (R03) | 1993 | Alvin G | punchy | punchy | genpin |
| punipic | The Punisher (bootleg with PIC16C57, set 1) | 1993 | bootleg | punisher | punisher | |
| punipic2 | The Punisher (bootleg with PIC16C57, set 2) | 1993 | bootleg | punisher | punisher | |
| punipic3 | The Punisher (bootleg with PIC16C57, set 3) | 1993 | bootleg | punisher | punisher | |
| punirune | Punirunes (Europe, pastel blue) | 2021 | Takara Tomy | | | |
| punisher | The Punisher (World 930422) | 1993 | Capcom | | | |
| punisherbz | Biaofeng Zhanjing (Chinese bootleg of The Punisher) | 2002 | bootleg | punisher | punisher | |
| punisherh | The Punisher (Hispanic 930422) | 1993 | Capcom | punisher | punisher | |
| punisherj | The Punisher (Japan 930422) | 1993 | Capcom | punisher | punisher | |
| punisheru | The Punisher (USA 930422) | 1993 | Capcom | punisher | punisher | |
| punk | Punk! | 1982 | Gottlieb | | | genpin |
| punkshot | Punk Shot (US 4 Players) | 1990 | Konami | | | |
| punkshot2 | Punk Shot (US 2 Players) | 1990 | Konami | punkshot | punkshot | |
| punkshot2a | Punk Shot (Asia 2 Players, hacked?) | 1990 | Konami | punkshot | punkshot | |
| punkshot2e | Punk Shot (World 2 Players) | 1990 | Konami | punkshot | punkshot | |
| punkshotj | Punk Shot (Japan 2 Players) | 1990 | Konami | punkshot | punkshot | |
| punkywil | Punky Willy | 1986 | Joctronic | | | |
| pururun | Pururun (set 1) | 1995 | Metro / Banpresto | | | |
| pururuna | Pururun (set 2) | 1995 | Metro / Banpresto | pururun | pururun | |
| pushman | Pushman (Korea, set 1) | 1990 | Comad | | | |
| pushmana | Pushman (Korea, set 2) | 1990 | Comad | pushman | pushman | |
| pushmans | Pushman (American Sammy license) | 1990 | Comad (American Sammy license) | pushman | pushman | |
| pushmant | Pushman (Top Tronic license) | 1990 | Comad (Top Tronic license) | pushman | pushman | |
| pushover | Push-Over (Summit Coin) | 1981 | Summit Coin | | | |
| puyo | Puyo Puyo (World) | 1992 | Compile / Sega | | | |
| puyobl | Puyo Puyo (World, bootleg) | 1992 | bootleg | puyo | puyo | |
| puyoda | Puyo Puyo Da! (Japan) | 1999 | Compile | naomi | | |
| puyofev | Puyo Pop Fever (World) (GDS-0034) | 2003 | Sega | naomigd | | |
| puyofevj | Puyo Puyo Fever (Japan) (GDS-0031) | 2003 | Sega | puyofev | puyofev | |
| puyofevp | Puyo Puyo Fever (prototype ver 0.01) | 2003 | Sega | puyofev | puyofev | |