| | Trick Or Treat (Global) (M1A/B) | 1969 | Global | m1trtr | | 0.00 |
| | Trick or Treat (Project) (PROCONN) | 1999 | Project | pr_trktr | | 0.00 |
| | Trick or Treat (Protocol?) (Project) (PROCONN) | 1999 | Project | pr_trktp | | 0.00 |
| | Trick Or Treat Club (Global) (M1A/B) | 1969 | Global | m1trtrcl | | 0.00 |
| | Trick Shot Multi Player (Bellfruit) (Scorpion 5) (set 1) | 1969 | BFM | sc5tsmp | | 0.00 |
| | Trick Shot Multi Player (Bellfruit) (Scorpion 5) (set 2) (clone of: sc5tsmp) | 1969 | BFM | sc5tsmpa | | 0.00 |
 | Trick Trap (World?) | 1987 | Konami | tricktrp | Shooter / Walking | 7.00 |
 | Tricky Doc (set 1) | 1987 | Tecfri | trckydoc | Platform / Run Jump Scrolling | 7.00 |
| Tricky Doc (set 2) (clone of: trckydoc) | 1987 | Tecfri | trckydoca | | 0.00 |
| | Tricolor (Barcrest) (Dutch) (MPU4) | 1969 | Barcrest | m4tricol | | 0.00 |
| | Trident | 1979 | Stern | trident | | 0.00 |
| | Trident, The (Mazooma) (Scorpion 4) (set 1) | 1969 | Mazooma | sc4tridn | | 0.00 |
| | Trident, The (Mazooma) (Scorpion 4) (set 2) (clone of: sc4tridn) | 1969 | Mazooma | sc4tridna | | 0.00 |
| | Triforce Bios | 2002 | Sega | triforce | | 8.60 |
| | Triforce DIMM Updater (GDT-0011) | 2004 | Sega | tfupdate | | 7.50 |
| | Trigger Heart Exelica (Rev A) (GDL-0036A) | 2006 | Warashi | trgheart | | 0.00 |
 | Trigon (Japan) (clone of: lgtnfght) | 1990 | Konami | trigon | Shooter / Flying Vertical | 0.00 |
 | Trio The Punch - Never Forget Me... (Japan) (clone of: triothep) | 1989 | Data East Corporation | triothepj | | 0.00 |
| Trio The Punch - Never Forget Me... (World) | 1989 | Data East Corporation | triothep | Platform / Fighter Scrolling | 7.17 |
| | Triple 7's (Bellfruit) (Scorpion 4) (set 1) | 1969 | BFM | sc4tri7 | | 0.00 |
