Riddler's Den (1985)(Electric Dreams Software)[a][SpeedLock 1] ROM Download can be obtained free for ZX Spectrum on EmuGames.net only. Play emulator game in English for the USA region. Riddler's Den is a ZX Spectrum ROM that you can download to your computer or play online within your browser. You can also download roms such as Naruto Shippuden Ultimate Ninja 5 and Resident Evil 3 Nemesis that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.