Ladder V1.2 (1988)(Frank Herzog)[a4] ROM for Robotron Z1013 (). Ladder V1.2 (1988)(Frank Herzog)[a4] game is available to play online and only onRoms Games. Ladder V1.2 (1988)(Frank Herzog)[a4] ROM for Robotron Z1013 requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.