The catalogue

953 entries

Least complete first

O2025publisher not recordedZX-Spectrum Next
O and X Maths—publisher not recordedZX81 16K
O Aparelho Digestivo1986Astor SoftwareZX-Spectrum 48K
O Barqueiro—publisher not recordedZX81 16K
O casarão1984Ribeiro ProduçõesZX-Spectrum 48K
O Castelo de Grenstone—publisher not recordedZX-Spectrum 48K
O Castelo dos Arnas—publisher not recordedZX-Spectrum 48K
O Cenoura e o Batatinha1985InfornovaZX-Spectrum 48K
O Cristal Mágico—publisher not recordedZX-Spectrum 48K
O Eléctrico da Carreira 282021AvlisoftZX-Spectrum 48K
O Empresário1988Paulo Victor BalãoZX-Spectrum 48K
O Estreito de Ormuz2026ZarsoftZX-Spectrum 48K
O Exame1987publisher not recordedZX-Spectrum 48K
O Flautista de Hamelin—publisher not recordedZX-Spectrum 48K
O Gato1985TMX Portugal LtdaTimex Tx2068
O Globo da Luz1984Astor SoftwareZX-Spectrum 48K
O Little Town of Bethlehem—publisher not recordedZX-Spectrum 16K/48K
O Mundo Perdido—ZX-SOFT Brasil LtdaZX-Spectrum 48K
O Órgão—publisher not recordedZX-Spectrum 48K
O Poeta—publisher not recordedZX81 16K
O Reino Mágico1990BM ProduçõesZX-Spectrum 48K
O Sábio1990BytelandZX-Spectrum 48K
O Segredo dos Templários1985Astor SoftwareZX-Spectrum 48K
O Seu Micro e o Mundo Externo—Editora AlephBook: undetermined
O Sistema Solar1986Astor SoftwareZX-Spectrum 48K
O Submarino U22022AvlisoftZX-Spectrum 48K
O Tempo2026publisher not recordedZX-Spectrum 48K
O Tesouro dos Templários2021AvlisoftZX-Spectrum 48K
O ZX Fala Português1987JogofoZX-Spectrum 48K
O-Cman2011obloZX-Spectrum 48K
O-Cman+2025obloZX-Spectrum 48K
O-Copy1988Martin MoráčekZX-Spectrum 48K
O-EYES2018obloZX-Spectrum 48K
O-Level Chemistry1984J.B. ElliottZX-Spectrum 48K
O-Level French1984Thies Language SoftwareZX-Spectrum 48K
O-Level GCE/CSE Maths Test1983NursoftZX-Spectrum 48K
O-Level Revision Aid1983Ranjan BhattacharyaZX-Spectrum 48K
O-Level Technical Drawing1984D.A. ClarkeZX-Spectrum 48K
O-Puzz Attack2018obloZX-Spectrum 48K
O-Trix2011obloZX-Spectrum 48K
O.B.R.: Rapid Reaction Unit1994Chip & RokkyZX-Spectrum 48K/128K
O.K. Yah!1988Pirate Software LtdZX-Spectrum 48K
O.S. Quiz1983Arnold Wheaton SoftwareZX-Spectrum 48K
O'Brian—publisher not recordedZX-Spectrum 48K
O'Level - CSE Chemistry1982Calpac Computer SoftwareZX-Spectrum 48K
O'Level - CSE Chemistry1982Calpac Computer SoftwareZX81 16K
O'Level Biology1984GCE TutoringZX-Spectrum 48K
O'Level Chemistry1984GCE TutoringZX-Spectrum 48K
O'Level Computer Science1984GCE TutoringZX-Spectrum 48K
O'Level Electronics1985GCE TutoringZX-Spectrum 48K