You have 31 of 31 known Tangerine MICROTAN 65 games

256 Digit Factorials (19xx)(-)
Adventure 7.1-The Sceptre Of Hamloth (1981)(I.Dickinson)
Air Attack (1980)(David A Brown)
Astro Fighter (1984)(G.Macdonald)
Berzerk (1984)(G.MacDonald)
Border (19xx)(-)
Breakout (19xx)(-)
Chessboard (19xx)(-)
Conways's Game of Life (19xx)(-)
Defender (1984)(G.MacDonald)
Gobbler And Adventure 7.1-The Sceptre Of Hamloth (1981)(I.Dickinson-A.Moore)
Graphics Subroutine (19xx)(-)
Hangman (1981)(Microtanic Software)
Hells Bells (1984)(G.Macdonald)
Hi-res Pattern (19xx)(-)
Hi-res Square (19xx)(-)
Lunar Lander (198x)(F.Woodcock)
Message (19xx)(-)
Moon Cresta (1985)(G.Macdonald)
Moon Rescue (1984)(G.Macdonald)
Othello (1981)(F.Woodcock)[2 Playergame]
Pattern (19xx)(-)
Phase Pattern (19xx)(-)
Screen Clear (19xx)(-)
Scroll Downwards (19xx)(-)
Scroller Clearscreen (19xx)
Shootdown (19xx)(-)
Slot Machine (1983)(G.Macdonald)
Space Invasion (1980)(Tangerine)
Tangerine Face Invaders (1981)(David A Brown)
Timed (19xx)(-)