Obliterator		Melbourne House		1989		-		G-000889
Off shore warrior		Titus		1989		-		G-000890
Old sam's saloon gamble machine		PC Amstrad International		1990		-		G-000891
Olli & Lissa - the ghost of shilmoore castle		Firebird		1988		-		G-000893
Olli & lissa iii - the candlelight adventure		Codemasters Software		1989		-		G-000892
Omeyad		UBI Soft		1989		-		G-000894
Open tower defense		Public Domain		2021		-		G-001072
Operation alexandra		cpcretrodev.byterealms		2018		-		G-000895
Operation thunderbolt		Ocean Software		1989		-		G-000896
Operation wolf		Ocean Software		1988		-		G-000898
Operation wolf ( LightGun )		Ocean Software		1988		-		G-000897
Operation wolf ( Patch CPC+ )		Ocean Software		1988		-		G-000899
Orion prime		CargoSoft		2009		-		G-000902
Orion prime		CargoSoft		2009		-		G-000901
Orion prime		CargoSoft		2009		-		G-000900
Orion prime		CargoSoft		2009		-		G-000903
Orphee - voyage aux enfers		Loriciels		1985		-		G-000904
Out run		U.S.Gold		1987		-		G-000905
Out run europa		U.S.Gold		1991		-		G-000907
Outlaws reloaded ( LightGun )		cpcretrodev.byterealms		2016		-		G-000906
Overlander		Elite Systems		1988		-		G-000908
Oxphar		Ere Informatique		1987		-		G-000909