A hacked game lets you play the original Super Mario Bros with any number of old-school video game characters. But this idea could be taken so much further! Let's combine games across consoles and eras, shall we?
Send your best entries to me at firstname.lastname@example.org with Game Crossovers in the subject line. Save your files as JPGs or GIFs under 800k in size, and use a FirstnameLastname.jpg naming convention using whatever name you want to be credited with. Send your work to me by next Tuesday morning, and I'll pick three top winners and show off the rest of the best in our Gallery of Champions. Get to it!