Jasper! is, according to it's manual "a cartoon adventure". The games consists of 22 screens which the mouse Jasper has to traverse. Each screen offers its own difficulties and items found in one can be used to solve problems later.
From the manual
JASPER was very worried - the world had gone too far this time. He'd gone for a walk minding his own business when the Furt had Wangled. Now every creature and even some of the vegetation was a danger to him. Until now he'd never believed all that nonsense his Old Mother used to give him at bed-time...
"Beware the Wangling of the Furt, my son, for then the jungle goes all odd!" - he'd always thought her a bit out to lunch herself - "At such a time the flowers may spring your heels. Jars of potion protect or project. To save death from a weed, killer sprays you will need... "- Limerick mode
... he hated this bit - "Ropes in coils will aid your toils, you will not be shot if Flag you have got, if falling's yourfolly then open your brolly..." She WAS off her trolley... and when she got HIM doing it he KNEW it was time he pretended to be asleep!
But now he wished he had heard her through. Penitent at having doubted his Old Mum, he decided to go home and sleep this one off. He fumbled in his pocket for the front door key... and found a hole instead. Stay calm... he counted to ten, and got stuck at four. His tummy rumbled - he must find food soon. Everything was against him. He wanted his Old mum!
A killer-bunny hopped amiably towards him as, armed only with a total lack of resolve, he set off in search of his key, his home, and safety...