Yes, Pixel Machines has MFi controller support!
Pixel Machines on iOS does support controllers and is compatible with the MFI standard.
Drive your tiny cars over tabletops, stoves, pianos, and more! Play against your friends online or through challenges and prove who's best! FEATURES: - Top down, retro style racing game - Play local multiplayer using an MFI controller with up to 8 friends friends - Not exactly a couch person? Play online or challenge the planet by completing races and climbing the leaderboards, saving your ghost for others to play against - Fun tracks with many pitfalls, obstacles and dangerous objects - Tournament play against bots, or go head to head against other players - Leaderboards and Achievements galore! - Fast! Even on older devices.
You can feel the car exploding! - ReplayKit support to share those moments.
Pixel Machines supports MFi controllers.