Bittersweet Birthday Download Uncover the mystery of your lost memories in this challenging action-adventure game with captivating 2D pixel art Download Uncover the mystery of your lost memories in this challenging action-adventure game with captivating 2D pixel art Vote (1 votes) Program license Demo Developer World Eater Games Version 6.0 Works under Mac Also available for Windows Vote (1 votes) Developer World Eater Games Works under Mac Mac OS X Program license Demo Version 6.0 Also available for Windows