Yes, Slayin has MFi controller support!
Slayin on iOS does support controllers and is compatible with the MFI standard.
PREPARE FOR THE WORLD'S FIRST ENDLESS ACTION RPG Slayin will test your skills like no other endless game on the App Store.
In this game, death lurks behind every corner! Your task sounds all so simple.
First choose from one of three heroes: knight, wizard and knave.
Get ready for some slayin! World's first endless action RPG Challenging and rewarding Pixel perfect retro graphics Chiptune soundtrack by Matt Creamer 6 unique playable classes: knight, wizard, knave, archer, tamer and ninja Endless loot: tons of weapons, armor and spells Face legendary monsters and bosses More than a hundred challenging quests to master 3 unique game modes Compete with your friends on Game Center.
Slayin supports MFi controllers.