Thank you to the creators and rights holders for the following:

Open source software:

• Stella
• Genesis-Plus-GX
• QuickNES
• SDL2
• libpng
• libusb

Proprietary software:

• Code Mystics custom emulator (Fix It Felix, Jr.)
• Joseph Gofton (Invader, Skittles, and Texas Poker)
• Orbital Pinball (Leprechaun King)

Special thanks to everyone else who contributed!