Some details I remember:
- Was around in early-mid 90's, the series came out in weekly installments (something you could get from your newsagent).
- The story begins when a schoolboy falls into a hole in the ground on his way home from school, and is transported to another world where his meets a warrior.
- I think his quest is to find his way back home but along the way meets other warriors/wizards, which are on quests of their own.
- In one installment he meets massive scorpions, in another he meets a cyclops/abominable snowman
- Each installment was published similar to a short, graphic magazine-sized book.
- I think the title of the series contained the word 'world' as in 'Neverworld' or 'Everworld'.