The World's Hardest Game, Random Video Games Wiki

The Hardest Games We've Ever Played - IGN

The World's Hardest Game Play The World's Hardest Game on PrimaryGames

10 Most difficult games out there

The 15 Hardest Contemporary Games - IGN

The 25 most challenging video games of all time

Top 5 Hardest Games In The World To Master - Difficult Games To Learn

swfchan: Worlds Hardest game 2.swf

Steam Community :: The hardest game in the universe

Which Card Game is Hardest to Master? - Gifts for Card Players

Kena: Bridge of Spirits] #106 - A cute game to play with my girlfriend, I thought before playing new game plus. This was one of the hardest games I've played so far.