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