Colossus Chess games in order

All 3 games of the Colossus Chess series in the order they came out, from Colossus Chess (1984) to Colossus Chess X (1989).

1. Colossus ChessDOS, ZX, CPC +4 · Martin Bryant
   1984
2. 
   Colossus Chess 4Apple II, C64, ZX +6 · Aackosoft
   1985
3. 
   Colossus Chess XAmiga
   1989