Complex sentence: Whilst many areas were similar to those of "Abe's Oddysee", some new areas were featured, for instance Abe at one point, had to crawl through an air ventilation shaft.
Split into simpler sentences: Whilst many areas were similar to those of "Abe's Oddysee". Some new areas were featured, for instance Abe at one point, had to crawl through an air ventilation shaft.