Boulder Dash and the sky ride are the two things they have at Compounce that you can't really get anywhere else. The place is worth a visit just for them.

(I'm still feeling a bit irrationally ashamed that I went back to Compounce on a day when most of the rides were walk-ons and didn't ride Boulder Dash again, given its legendary status. But I am a lightweight coaster fan and BD, in particular its relentlessly forceful second half, is actually near the top of my comfort zone; I need to be fired up in the right way to ride it. And it was very clear that I'd be riding it alone, which on occasion I still get some social awkwardness about.)