Another enjoyable game has just been sent to us, albeit in a beta state, is Bill Kendrick’s in development Gem clearing Arcade/Puzzle game called ‘ Gem Drop Deluxe’; an updated version of his 1997 Atari 8-bit line of home computers game Gem Drop. As in his words "This new Deluxe version, under development in 2015, is a port to C for Atari 8-bits, via the cc65 6502 cross-compiler".According to the

Source and More information: Gem Drop Deluxe – Gem clearing Arcade game for the Atari XL/XE