Super Smash Bros. Wii U allows you to set up custom matches with a wide variety of optional modifiers.
Super Smash Bros. creator Masahiro Sakurai has shared a glimpse of the match customisation menu on MiiVerse:
Here’s that image at full size, so you can see it a bit better. Click to enlarge:
Super Smash Bros. Wii U hits North America on November 21 and arrives in Europe on December 5.