|Dead Island achievement/trophy|
| "School of hard knocks"|
Reach level 50.
To earn this achievement/trophy, the players must reach level 50.
- If one always kill an enemy they're fighting, and complete all side quests, they should reach level 50 before the end of the game. Continuous events are also helpful while getting XP. Note: One can take advantage of the weapon glitch and dupe glitch to level up faster.
- "School of hard knocks" is a saying that refers to the experience and education one gain from bad experiences, like surviving a zombie apocalypse.