! Year
! Author
! Homebrew
! Plus<br/>features
! Description
! File
|-
||[[Jack The Nipper]]|| 1986 || Gremlin Graphics ||No||No|| Converted by Phantomz<br/>Joypad 1 Button 2 to Enter Doors. Joypad 2 Button 1 and 2 for Pick Up / Drop || [[Media:Jack The Nipper.rar | Jack The Nipper.rar]]
|-
||[[Jack The Nipper II In Coconut Capers]]|| 1986 || Gremlin Graphics ||No||No|| Converted by Phantomz<br/>(Joystick Fire 1 = yes) (Joystick Fire 2=no) For Trainer.<br/>Quit Button is Joypad 2 UP with Yes or No, on Joypad 2 Button 1 for Yes Button 2 for No || [[Media:Jack The Nipper II In Coconut Capers.rar | Jack The Nipper II In Coconut Capers.rar]]
|-
||[[Jackal]]|| 1988 || Konami ||No||No|| Converted by Phantomz<br/>J1UP = Swap main screens, J1B2 = Pause (J1B1 = Resume), Pause button = Quit game || [[Media:Jackal.rar | Jackal.rar]]
|-
||[[James Bond - Licence To Kill]]|| 1989 || Domark ||No|| No || Converted by dragon || [[Media: James Bond - Licence To Kill.rar | James Bond - Licence To Kill.rar]]
|-
||[[James Bond - Live And Let Die]]|| 1988 || Domark ||No|| No || Converted by dragon<br/>J1B1 = Fire, J1B2 = Missiles || [[Media: James Bond - Live And Let Die.rar | James Bond - Live And Let Die.rar]]
|-
||[[Jarlac]]|| 2018 || cpcretrodev.byterealms ||Yes||Yes || Converted by Devilmarkus and Ayor61 (Plus colours)<br/>Pause button = Quit game || [[Media:Jarlac.rar | Jarlac.rar]]
|-
||[[Jet Bike Simulator]]|| 1988 || Codemasters ||No|| No || Converted by Phantomz<br/>J1B2 = Pause (J1B1 to resume), Pause button = Quit game, J1B1 = Replay<br/>CHEAT (skip to next level if you lose): first view credit screen, then enter the name of first player "XXXXXXXX" pressing J1B1 eight times. || [[Media:Jet Bike Simulator.rar | Jet Bike Simulator.rar]]
|-
||[[Jet Set Willy]]|| 1984 || Software Projects ||No|| No || Converted by Urusergi<br/>J1B1 = Start, J1UP/DN = Colour/Green, J1B2 = Pause (turns music on/off resuming game), Pause button = Quit game || [[Media:Jet Set Willy.rar | Jet Set Willy.rar]]
|-
||[[Jet Set Willy - The Final Frontier]]|| 1985 || Software Projects ||No|| No || Converted by Urusergi<br/>J1B1 = Start, J1UP/DN = Colour/Green, J1B2 = Pause (turns music on/off resuming game), Pause button = Quit game || [[Media:Jet Set Willy - The Final Frontier.rar | Jet Set Willy - The Final Frontier.rar]]
|-
||[[Jewel Warehouse (v1.1)]]|| 2016 || EgoTrip ||Yes|| No || Converted by Phantomz<br/>J1B2 = Pause (J1B1 to resume), Pause button = Quit game || [[Media:Jewel Warehouse.rar | Jewel Warehouse.rar]]
|-
||[[Jinks]]|| 1988 || Rainbow Arts ||No||No || Converted by iXien || [[Media:Jinks.rar | Jinks.rar]]
|-
||[[Joe Blade]]|| 1987 || Players ||No|| No || Converted by Phantomz<br/>Pause button = Pause (Pause button again to quit game, any other button to resume game) || [[Media:Joe Blade.rar |Joe Blade.rar]]
|-
||[[Joe Blade 2]]|| 1988 || Players ||No|| No || Converted by Phantomz<br/>Press J1B2 for Controls and select Joystick controls before you start, Pause button = Pause|| [[Media:Joe Blade 2.rar |Joe Blade 2.rar]]
|-
||[[Joe Blade 3]]|| 1989 || Players Premier ||No|| No || Converted by Phantomz<br/>J1B2 = Pause (J1B1 to resume game). On computer screen: J1B1/B2/UP/DN = 1,2,3,4 || [[Media:Joe Blade 3.rar |Joe Blade 3.rar]]
|-
||[[Jonny Quest]]|| 1991 || Hi-Tec Software ||No||No || Converted by Urusergi<br/>J1B2 = Select object, Pause button = Pause<br/>CHEAT: J1UP to activate Infinite lives (second level and successive) and energy. || [[Media:Jonny Quest.rar | Jonny Quest.rar]]
|}