Few modifications found by meh
Mods:
0:47 = Changing gun position to Up and Down
1:00 = Timescale set to 2x
1:13 = Timescale set to extremely slow
1:28 = Change guns side
1:46 = Modified trees
2:07 = Invisible bots
2:22 = Ice mod "you will slide"
2:50 = Promod
3:08 = Instant turn "LB or RB turn"
3:17 = Mah hax xD
Other:
Super jump
Low gravity
Wireframe "vision" "mode" whatever :P