It's clear that the 999FPS at 100 is a max display value right?
Yep. The FPS cannot go over 999, even if you're actually rendering faster than that.
What's this made in? I don't see any vertical tearing... Blitz3D or C++? (not Max or we'd see tearing surely)
The clue was in the question. It's made with my HGE wrapper, HGE and BlitzMax. I wrapped it when I was considering working on a 2d game because - much like you - I became completely disillusioned with Max2d but didn't want to give up BMax. Ended up not making the game ( yet ) but the wrapper seemed worth releasing.
How's the affiliate sales going btw?
I haven't been keeping a track of them for a few months as I plan to remove Reflexive games from the site when I've finished the redesign and I don't want to depress myself with exact figures of what I'll be missing out on ;)