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
Open the System Menu 1000 times.
Play as the frog in PikuBiku Ball Stars
Try to enter a cheat code.
Open the System Menu 100 times.
Unplug a Gamepad.
Kill 100 frogs across all games.
Beat Hotline Milwaukee
Take damage in Catsylvania
Close the System Menu
Navigate to the Controls page of the System Menu.
Open the System Menu.
Purchase and launch the Devolver Digital Bootleg Launcher.
Plug in a Gamepad.