Secrets
New Game+
You unlock a New Game+ mode when you beat the game. All stats, inventory, skills, and even weapon mod blueprints are carried over for zombie domination from the get-go.
Finding the Family From the Trailer
Remember that first epic Dead Island end-to-beginning trailer we all fussed over? Well, you can find the family shown in the trailer in the game, too! Check out the video.
Remember that you cannot skip the Prelude if you want to locate this room.
Colored Skulls
In reference to the Halo games, there are several hidden Colored Skulls each with a separate drop-off point that will give special Developer mods, which is essentially a weapon that has unique characteristics. Each weapon created by the mod costs $10,000, 5 Diamonds, and will reward skull hunters with unique, powerful, yet easily degraded weapons