It's more of the same speed focused 3D platforming from the first game (which is still very good, btw), but comes with a couple of more open ended bonus levels that wind up being a ton of fun in their own right. It's really fun seeing that (usually tedious) collect-a-thon style of play boiled down and trimmed to its barest essentials, with objectives taking no more than 30 seconds to clear and stages small enough to explore with little fuss! I might prefer it over the more linear approach of the main campaign, even if the checkpoint system isn't quite built for it... Maybe something to fix in a future endeavour?