Well. i felt that my fangame was... too ordinary. and the engine i started with was pretty good, but with only a few abilties: Homing attack(wasnt as good back then) Boost(slower back then XP and you couldnt smash through enemies) Lightdash BUT i upgraded these abilities and added more so now the engine has: Quickstep/Switching Rails(similar to sonic unleashed) Homing attack on monitors and springs Enemy Ai Better Boost Slide Less Lag Ramps Switching Characters mid-level AND there are many ...