* SerialNumbersFiledOff: Both games are clearly inspired by ''Franchise/RoboCop'' (whose videogame license was owned by Creator/DataEast at the time), though ''Cyber Police'' is this more so than ''City Under Siege''.
* SuspiciouslySimilarSong: The [[https://www.youtube.com/watch?v=Jrs8JMEB70Q intro]] of ''City Under Siege'' sounds almost identical to the beginning of [[https://www.youtube.com/watch?v=Or0cXIBBf9s "I Die: You Die"]] by Music/GaryNuman.