How to get to MAX LEVEL in the Dead Island Prologue (Level Up Fast!)

*TO RESPAWN THE ZOMBIES, SELECT "LOAD LAST CHECKPOINT"*
This video shows the fastest method you can use to level up and reach max level in Dead Island: The Definitive Edition (or the OG version). This method works right from the start of the game!
Timestamps:
0:00 - Intro
1:02 - The Basic Strategy
4:59 - Speeding Things Up
7:52 - Ultimate XP Boost
9:11 - Normal Mode vs One Punch Mode
11:15 - Endgame Character Builds
12:50 - Fastest Character
13:35 - Final Tips