Graphics could be better, Probably look nicer if in 16 or 32 bit style. When comes to the game forcing you to have a gun to play a mission, Custom guns dont count, you should fix that.
I really like the game and I have to appreciate the work going into Rewinding time, Ive tried it as a programer before and It was full of bugs, I don't even remember if I got it working or not. My only complaint about the game would be the graphics, I feel like this game would have been better with 16 or 32 bit graphics.
The only two reasons why I can see this game running so slow is: 1) You have a bunch of pointless wasted coding in there for no apparent reason. OR, 2) Your textures are 20x larger than they should be and the game has to reduce them down to size which takes 5 minutes.
Slightly more on-topic: Lvl 4 was bull shit I was straight in and got only 86% accuracy
Lvl 5 was also bull shit since I parked in 2 seconds by backing straight into it (I got 70% which isn't bad thanks to time bonus)
Friction was too much and you need to be able to shoot the ball harder. I didn't go very far but the game seemed to lack obstacles of any kind. 0/5 if I could, 1/5 cuz I have to.