Quests of Legend has a nice collection of dungeon tiles for you to print out and use for your role playing or miniatures games (or both!) in a dungeon crawl.
Fantasy
Red Dragon Inn Battle For Greyport Print and Play
Red Dragon Inn: Battle for Greyport is a neat deckbuilder published by Slugfest Games. You can get a print and play version at this link.
Mini Rogue Print and Play Game
Mini Rogue is a free print and play card game “profoundly inspired by roguelikes and roleplaying games. ” The entire game is on nine cards, so there’s a minimal amount of printing.
Mephisto Print and Play Game
Mephisto is a free print and play game in which you are an adventurer collecting the souls of monsters in a dungeon to fulfil a deal you made with the devil.
Oh My Lair Print and Play
Oh My Lair is a free print and play game in which you are a dungeon lord who sends out his minion to conquer regions, collect resources and summon creatures — all before you can be defeated by a Hero.