All the zombies between you and your quest giver have respawned.

FORBES: Dead Island: Riptide Review -- The Redeadening

Unlike many MMOs where you need to find a quest-giver, quests come to you.

FORBES: A First Look at the Upcoming MMO 'Marvel Heroes'

Avoiding NPC conversations or running back to a quest-giver is a time saver, but the quests themselves are still very much the same as in other MMOs.

FORBES: 'Guild Wars 2' - A Grind By Any Other Name