Complex sentence: California Pacific widely released the game in 1980 with a 1980 copyright date, and "Akalabeth" first appeared on the "Softalk" top 30 list for the month of October 1980.
Split into simpler sentences: California Pacific widely released the game in 1980 with a 1980 copyright date. The game first appeared on the "Softalk" top 30 list for the month of October 1980.