Pssst
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.