Post-apocalyptic worlds in video games don't necessarily have to be grimdark, depressing or colorless. There are many fine examples where the game's design either moves beyond these tropes, or develops them to perfection. We have collected a few of them below.
Enslaved: Odyssey To The West
World Of Ruin In Final Fantasy VI
source: veteran0121's let's play of the game
source: Half-Life Wiki
2,300 AD In Chrono Trigger
Beneath A Steel Sky
source: NormanJayden's let's play
The Legend Of Zelda: The Wind Waker
source: 50CALBR's gameplay video
The Dark World In Dark Seed 2
S.T.A.L.K.E.R. Shadow of Chernobyl
source: The S.T.A.L.K.E.R. Wiki
Fallout New Vegas
source: official trailer
Make sure to submit your own picks in the comments! With visual support.