Changes
/* O */
! Year
! Author
! Homebrew
! Plus<br/>features
! Description
! File
|-
||[[Obliterator]]|| 1989 || Melbourne House || No ||No|| Converted by Phantomz || [[Media:Obliterator.rar| Obliterator.rar]]
|-
||[[Oceano v1.1]]|| 2015 || Egotrip || Yes ||No|| Converted by CraigsBar || [[Media:Oceano.rar | Oceano.rar]]
|-
||[[Off Shore Warrior]]|| 1989 || Titus || No ||No|| Converted by Phantomz || [[Media:Off Shore Warrior.rar | Off Shore Warrior.rar]]
|-
||[[Official Father Christmas]]|| 1989 || No || Alternative ||No|| Converted by dragon || [[Media:Official Father Christmas.rar | Official Father Christmas.rar]]
|-
||[[Oh Mummy !]]|| 1984 || Amsoft || No ||No|| Converted by Phantomz<br/>J1B1 = Skip highscore table || [[Media:Oh Mummy !.rar | Oh Mummy !.rar]]
|-
||[[On The Run]]|| 1985 || Design Design || No ||No|| Converted by Phantomz<br/>Use joypad 2 and the Console Pause Button for Menu Options. J2B1 = Sound on/off || [[Media:On The Run.rar | On The Run.rar]]
|-
||[[One Man And His Droid]]|| 1985 || Mastertronic || No ||No|| Converted by token<br/>C64 screen as loading screen. || [[Media:One Man And His Droid.rar | One Man And His Droid.rar]]
|-
||[[Operation Alexandra (v1.1)]]|| 2018 || 4mhz || Yes ||No|| Converted by CraigsBar || [[Media:Operation Alexandra.rar | Operation Alexandra.rar]]
|-
||[[Operation Gunship]]|| 1989 || Codemasters || No ||No|| Converted by Phantomz<br/>J1B2=Bombs, J2B1=Pause/Unpause, J2B2=Skip Levels, Pause button = Quit game. || [[Media:Operation Gunship.rar | Operation Gunship.rar]]
|-
||[[Operation Hanoi]]|| 1990 || Players Premier || No ||No || Converted by Phantomz || [[Media:Operation Hanoi.rar | Operation Hanoi.rar]]
|-
||[[Operation Thunderbolt]]|| 1989 || Ocean || No ||No|| Converted by Urusergi & Phantomz<br/>OFFICIAL GX4000/PLUS VERSION<br/>Crosshair hack, always turned on for better view. Also available is the standard CPC version patched. || [[Media:Operation Thunderbolt.rar | Operation Thunderbolt.rar]]
|-
||[[Operation Wolf]]|| 1988 || Ocean || No ||No|| Converted by Urusergi & Phantomz<br/>Includes Musicman3512 intro<br/>J1B2 = Grenade, Pause button = Pause || [[Media:Operation Wolf.rar | Operation Wolf.rar]]
|-
||[[OPQA vs QAOP - The Final Battle]]|| 2018 || Manuel Sagra || Yes || Yes || Converted by Ayor61<br/>Plus colours upgrade || [[Media:OPQA vs QAOP - The Final Battle.rar | OPQA vs QAOP - The Final Battle.rar]]
|-
||[[Outlaw Reloaded]]|| 2017 || Retrobytes Productions || Yes || No || Converted by dragon and Phantomz<br/>Both versions: J1B2 = Pause/unpause, Pause button = Quit game || [[Media:Outlaw Reloaded.rar | Outlaw Reloaded.rar]]
|-
||[[Out Run]]|| 1987 || U.S. Gold || No ||No|| Converted by dragon<br/>J1B1 = Accelerate, J1B2 = Brake, J1UP = Change gear, J2B1 = Quit game || [[Media:Out Run.rar | Out Run.rar]]
|}
