Cordilleran Ice Sheet was located in North America.
Apano Sin is a 2000 computer game for the Amiga ; a top-down vertical shooter , Apano Sin had players destroy waves of enemies through five stages , had no end-level boss battles , a two-way weapon system and offered the unique ability to have the player ship flip backwards in order to fire shots at enemies coming behind it .. Amiga. Amiga. computer game. computer game. shooter. Shoot 'em up#Scrolling shooters