The Dead Island Definitive Collection contains the genre-defining Dead Island and its undead successor Dead Island: Riptide bundled with all previously released DLC.  

• Dead Island Definitive Collection contains Dead Island Definitive Edition, Dead Island: Riptide Definitive Edition, and Dead Island Retro Revenge,
• Dead Island Definitive Edition: Fully remastered version of Dead Island including all released DLC and patches.
• Dead Island: Riptide Definitive Edition: Fully remastered version of Dead Island: Riptide including all released DLC and patches.
• Dead Island Retro Revenge: A brand new stand-alone 16-bit game set in the style of a classic side-scrolling action/endless runner within the Dead Island universe.