Guarantee it? Easy! Build something better:

• 1x: https://www.amazon.com/CanaKit-Raspberry-Complete-Starter-Kit/dp/B01C6Q2GSY

• 2x: https://www.amazon.com/Wireless-Bluetooth-Controller-Classic-Joystick-Android/dp/B014QP2H1E

• Spend an hour setting up https://retropie.org.uk/

Congratulations! You now have a:

• Atari 2600 (RetroArch)
• Game Boy Advance (gpSP)
• Game Boy Color (RetroArch)
• Game Gear (Osmose)
• Intellivision (RetroArch)
• NeoGeo (Genesis-GX, RetroArch)
• Sega Master System (Osmose)
• Sega Megadrive (DGEN, Picodrive)
• Nintendo Entertainment System (RetroArch)
• N64 (Mupen64Plus-RPi)
• Playstation 1 (RetroArch)
• Super Nintendo Entertainment System (RetroArch, PiSNES, SNES-Rpi)
• and more!

That is ~2.5 inches wide, ~3.5 inches long and ~1 inch high.

Otherwise, get in line at a Best Buy about a month in advance.

I never heard of the 8bitdo snes30 pro until I got one for Xmas...it's the same price but can play retro games too, it's pretty sweet and works good with the go since it's Android. $30 https://www.amazon.com/8bitdo-Wireless-Bluetooth-Controller-Joystick/dp/B014QP2H1E