Tricks, Tips, and Tribulations is awesome. The difficulty curve isn't perfectly smooth (sloped space section comes to mind), but nonetheless I had a lot of fun racing up the hill.
Crescent Layers was also really fun. Some of the gaps between islands were too wide for my liking, but the abundance of PowerUps in most places alleviated that issue. It's a lot of fun to launch yourself with the huge ramps, although I wish there were more of them, maybe with Super Speeds in front. Regardless, it's a fun concept that can easily be expanded upon.
Flip Attack had some clever ideas - the Shock Absorber challenges in particular I had never seen before. Despite having help texts turned off, for the most part I had no issue knowing where I needed to go or what to do, which is great considering how disorienting gravity levels can be. Some of the challenges I could've done without, though. I'm surprised the gravity halfpipe made the cut considering how badly it screws your camera. The purple banked curves didn't really fit the pace of the rest of the level - same for the ending. I think a further exploration of interactions between Gravity Defiers and PowerUps would be really cool to see.
You've made considerable improvement in your level designing even over a short timespan. Keep it up and I'll definitely check out your future creations.
The following user(s) said Thank You: CylinderKnot