Ableitung (1987)(H. Voelz) ROM Download can be obtained free for Robotron Z1013 on EmuGames.net only. Play emulator game in English for the USA region. Ableitung is a Robotron Z1013 ROM that you can download to your computer or play online within your browser. You can also download roms such as Forgotten City and ZZZ-UNK-Des5 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.