Clones
Robot Attack was an early clone of Berzerk written for the TRS-80 by the small company Big Five software. It also featured digitized speech.
Talking Android Attack is a clone of Berzerk for the Dragon 32 and Tandy Color Computer, marketed in the UK by Microdeal. As the name implies, it features several speech clips, including "intruder alert" and "I'll get you next time".
Cybermen is a Berzerk-style game released for the Commodore 64 in 1983.
Cybertron Mission (Micro Power) for the BBC Micro, Acorn Electron and Commodore 64 from 1984 was heavily influenced by Berzerk.
Read more about this topic: Berzerk