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