Hey guys, I realize the thread has many pages but if you go back a few I have left testimonial about how we have found Terrain Engine pretty freakin' awesome. When it comes to performance, you must first understand the challenge that is making a game that features a procedural world made of voxels - by it's nature it is going to be a memory hog and a resources challenge. That being said, Dyox has done a great job of constantly optimizing it and improving it's performance in parallel with his constant feature improvements and additions. If you have the time go back to his earliest videos and then look at whats in the V9 and V10 videos - just amazing. The biggest challenge we have run into is not working with the engine itself, but rather learning how to work around the conundrum that is a procedurally generated game - so many things that you do in game dev for a static world/level is just different - a whole new way of thinking things through really. Anywho, not sure if that helps but just wanted to point out, there are people who use the engine and have left testimonial if you look around.