Assets:

• Background music: https://freesound.org/people/X3nus/sounds/510994/
• Button click: https://freesound.org/people/SmallConfusion/sounds/751088/
• Cog Lock: https://freesound.org/people/Rudmer_Rotteveel/sounds/457454/
• Mechanism sounds: https://freesound.org/people/apintofmild/sounds/641578/