Adder! Publisher FreEPOC Category Arcade & Action Licence Freeware Adder is a fast and addictive variation on the classic snake game with a multitude of levels of ever-increasing fiendishness and complexity! By Ewan Spence. File Type System Description adder.zip Sis Game. adder-revo.gif Gif Screen. adder-s5.gif Gif Screen. adder-s7.gif Gif Screen.  Series 5  Series 5mx  Series 7  netBook  Geofox  Osaris  Revo