 Pssst is an action video game developed and published by Ultimate Play the Game that was released for the ZX Spectrum in June 1983 . In the game , Robbie the Robot has to protect his plant ( a Thyrgodian Megga Chrisanthodil ) as it is attacked by various insects , each of which needs a different repellent to neutralise it . Pssst was the second game to be released by Ultimate , after Jetpac . 
