One of the less lauded games from Ultimate, PSSST! was one of my first experiences of a really slick and addictive Spectrum game. It was launched around the time of Jet-Pac, prior to the later and more popular isometric games. I remember cutting out the coupon in Sinclair User to order the game, paid for with a postal order for £5. No downloadable content and PayPal for us back in 1983! Back then you had to rely on a grainy screenshot if you were lucky, and the idea of Youtube to view gameplay was a fantasy.
Survival of your flower was a frantic battle to keep swapping sprays and killing insects moving at different speeds towards your flower.
Not the best or deepest game from Ultimate but a taste of things to come, and a world away from the clunky amd jumpy character animation of most early Spectrum games.