This game is also available on PS3.
Retro Game Tips for Dead Island: Riptide (Xbox 360)
Achievement: Serving Science (30)
Achievement: Siege Hammer (15)
Achievement: The Cinema (15)
Achievement: The Collector (15)
Achievement: The Docks (15)
Achievement: Heart of Darkness (15)
Achievement: Henderson Town (15)
Achievement: Hunter-Seeker (90)
When:
During game
How:
Find and kill all named champion monsters located in dead zones
Submitted By:
Achievement: Hurler (15)
Achievement: It's an Order (15)
When:
During game
How:
Mark 100 opponents which were then killed by your co-op partners
Submitted By:
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