Operation Garfield (1992)(Brankin, D.J.)(PD)
Operation Ble Sunrise v3.00 (1992-09)(Creative Insanity)(SW)
Ooze v1.2E (1988)(Dragonware Games)[a]
Ooze v1.2E (1988)(Dragonware Games)
Ooze (1988)(Dragonware Games)(de)[cr Bladerunners][m EMT]
Oo-Topos (1986)(Softkill Int.)
Onslaught (1989)(Realms)[cr Quant]
Onslaught (1989)(Realms)[cr Equinox][t][a]
Onslaught (1989)(Realms)[cr Equinox][t]
Onslaught (1989)(Realms)
Only! Valency (1994-12-06)(Schulz, Jens)(de)(SW)
Online Backgammon (1991)(Becker, David)(FW)[Monochrome]
One Day Cricket (19xx)(Paladin)(PD)
Once a King v2 (1988-03-24)(Lavery, Darryn - Griffiths, Mark)(FW)
On the Road (1990)(Lifetimes)(Disk 2 of 2)
On the Road (1990)(Lifetimes)(Disk 1 of 2)
On the Road (1990)(Lifetimes)(de)(Disk 2 of 2)
On the Road (1990)(Lifetimes)(de)(Disk 1 of 2)
Omnicron Conspiracy (1990)(Image Works)
Omikron Basic v3.03 (19xx)(Omikron)
Consolas
