Play Unfair Mario unblocked - Dodge falling stones, hidden spikes, and many more obstacles in this unpredictable game. The game has been designed to make you call it quits. You do not have a limit to the number of lives and you are able to mark the spots where you died so as to avoid death in the future. How to play: use the navigation keys; left arrow and right arrow for walking while the up arrow for jumping. The key to succeeding in this game is being quick with your movements and responses. Also you have to try the game several times so as to master it completely, dying and failing in this game is completely normal, and in order to succeed at this game you will have to learn from your previous deaths. Unfair Mario unblocked is rated E for everyone.