Here is the full list of all 15 Devolver Bootleg achievements.
Kill 100 frogs across all games.
Acquire 10,000 currency across all games.
Play as the frog in PikuBiku Ball Stars
Beat the Boss in Enter the Dungeon
Take damage in Catsylvania
Open the System Menu 1000 times.
Try to enter a cheat code.
Navigate to the Controls page of the System Menu.
Open the System Menu 100 times.
Unplug a Gamepad.
Beat Hotline Milwaukee
Close the System Menu
Open the System Menu.
Purchase and launch the Devolver Digital Bootleg Launcher.
Plug in a Gamepad.