Sonic Unfair is an online Adventure game which can be played at Plonga.com for free. Sonic Unfair has a rating of 4 stars (out of 5) and it has been played 420567 times now. Please go to our Adventure games section if you want to play more games like Sonic Unfair! Guide Sonic through the iconic classic Sega levels. But be careful: they're full of traps! Can you beat all unfair levels?