Your couch co-op party is about to get a lot more interesting. Just remember: Throwing your friend into a pit is still hilarious—even in 4K.

Disclaimer: This article assumes you own a legitimate copy of New Super Mario Bros. Wii. Always dump your own games. Do not download ROMs from unauthorized sources.

Let's get technical. You will need three things:

Seasonal spin-offs from the Newer team. Holiday Special is a short, charming winter adventure; Apocalypse is a short, extremely difficult gauntlet. Both showcase how versatile the engine is.

Mods like Another World require frame-perfect jumps. If you feel lag:

Pro tip: Create a separate folder for each mod’s ISO so you can easily swap between them.