| ep_subb | | Subbuteo (Maygay) (EPOCH) (set 1) | Maygay | 199? |
| ep_subba | ep_subb | Subbuteo (Maygay) (EPOCH) (set 2) | Maygay | 199? |
| ep_subbb | ep_subb | Subbuteo (Maygay) (EPOCH) (set 3) | Maygay | 199? |
| ep_subbc | ep_subb | Subbuteo (Maygay) (EPOCH) (set 4) | Maygay | 199? |
| ep_subbd | ep_subb | Subbuteo (Maygay) (EPOCH) (set 5) | Maygay | 199? |
| ep_subbe | ep_subb | Subbuteo (Maygay) (EPOCH) (set 6) | Maygay | 199? |
| ep_subbf | ep_subb | Subbuteo (Maygay) (EPOCH) (set 7) | Maygay | 199? |
| ep_subbg | ep_subb | Subbuteo (Maygay) (EPOCH) (set 8) | Maygay | 199? |
| htsubaki | | Hanafuda Hana Tsubaki (Japan) | Dynax | 1999 |
| jungsub | jungler | Jungler (Subelectro, bootleg on Scramble hardware) | bootleg (Subelectro) | 1981 |
| nsub | | N-Sub (upright) | Sega | 1980 |
| nsubc | nsub | N-Sub (cocktail) | Sega | 1980 |
| sc4frsub | sc4frsu | Casino Fruits 'n' Suits (Bellfruit) (Scorpion 4) (set 3) | BFM | 200? |
| ssridersubc | ssriders | Sunset Riders (2 Players ver UBC) | Konami | 1991 |
| stbsub | | Treasure Bonus (Subsino, v1.6) | American Alpha | 1995 |
| stisub | stbsub | Super Treasure Island (Italy, v1.6) | Subsino | 1995 |
| sub | | Submarine (Sigma) | Sigma Enterprises Inc. | 1985 |
| subhunt | depthch | Sub Hunter (Gremlin / Taito) | Gremlin (Taito license) | 1977 |
| subhuntr | | Sub Hunter (Model Racing) | Model Racing | 1979 |
| submar | | Submarine (Midway) | Midway | 1979 |
| subroc3d | | Subroc-3D | Sega | 1982 |
| subs | | Subs | Atari | 1977 |
| subwars | | Sub Wars (LED version) | Tiger Electronics | 1979 |
| tisub | | Treasure Island (Subsino, set 1) | Subsino | 1992 |
| tisuba | tisub | Treasure Island (Subsino, set 2) | Subsino | 1992 |
| tisubb | tisub | Treasure Island (American Alpha, v3.0N) | American Alpha | 1992 |
| turbosub | | Turbo Sub (prototype rev. TSCA) | Entertainment Sciences | 1985 |
| turbosubb8 | turbosub | Turbo Sub (prototype rev. TSB8) | Entertainment Sciences | 1985 |
| turbosubc5 | turbosub | Turbo Sub (prototype rev. TSC5) | Entertainment Sciences | 1985 |
| turbosubc5s | turbosub | Turbo Sub (prototype rev. TSC5*) | Entertainment Sciences | 1985 |
| turbosubc6 | turbosub | Turbo Sub (prototype rev. TSC6) | Entertainment Sciences | 1985 |
| turbosubc7 | turbosub | Turbo Sub (prototype rev. TSC7) | Entertainment Sciences | 1985 |
| turbosubc8 | turbosub | Turbo Sub (prototype rev. TSC8) | Entertainment Sciences | 1985 |
