No Backpack Bird Needed During Act 2: "A Spirit From The Vasty Deep" you must repair 3 attractions in the second act, including the Pirate Ride. After you solve the first puzzle, you will get in one of the boats. The boat will stop after a cutscene, and a tentacle will block your way. In the same room is the treasure chest. It will keep opening and closing fast. Go up the ramp next to the chest, and jump inside to get the "No Backpack Bird Needed.
Not That Kind Of Game! Toward the start of Act I: "Of All the Gin Joints..." while going to the "Ghost Note" club, after reaching the club, you will see a loading screen and short cutscene. Before going inside the club, go left and look for a building with a red neon sign and white text that says "24h Dirty 24h". Walk up to the door to unlock the "Not That Kind Of Game!. You can also do this after leaving the "Ghost Note" club.
The Cyclops' Bottle During Act 2: "All The Pretty Horses", after you get to the circus, you must repair three attractions including the carousel (on the right side of the circus area). You must use the moving shadows on the walls to reach the top. The secret bottle is on the balcony at the top. Collect it before cutting the hot-air balloon loose on the rooftop to get "The Cyclops' Bottle.
To The Heroes Among Us At the start of Act I: "Of All the Gin Joints...", when you haveto go to the "Ghost Note" club, after reaching the club, you will see a loading screen and short cutscene. Before entering the club, go left and look for a glowing record player on the street. After you walk over the record player, you will see some shadows on the wall. Use the shadows to climb up the building to find the secret "Extra Life 2012 Logo" and unlock the "To The Heroes Among Us. You need to activate the power to make the logo show up.