Dungeon Deities is part Browser-game, part realtime Dungeon Crawler. Players traverse the Dungeons of other players, carefully avoiding traps and battling enemies in search for treasures, which they can then steal. Naturally, you store your loot in your own dungeons, so make sure they are safe!
It snows! In an ice temple. Perhaps not creative, but at least consistent. Other effects are avaible as well, of course.