Real nightmare is coming! Hell Bird is the most difficult flying game. Challenge yourself with the hardest game ever! - Very, Very, Very Difficult With the hell-on-earth level of difficulty, Hell Bird will ruin your life. Don’t play it if you don’t want to face the unbelievably extreme difficult game. - Option for More Lives You can unlock an option for more lives in the shop. It doesn’t help you that much but you should unlock it. Flying through the hell with more chances to retry is better. - Ads Removal If a banner in the game disturbs you, you can go to the shop and remove it. Smooth flight without ads is a choice for you.