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