The McDonald's Headquarters is the world headquarters of McDonald's. It appears in the shame Super Ronald Galaxy, and is the main hub, being where Ronald McDonald can reach all the galaxies. There are six hubs in the Headquarters, but each requires a Grand Star to open. Other than that, it is the largest Fast-Food Restaurant in the Universe.
- Eating Room - Opened with the Grand Star from McDonald's.
- Parking Lot - Opened with the Grand Star from Colonel Sanders' Bucket Reactor.
- Drive-Thru Counter - Opened with the Grand Star from The King's Secret Sauce Reactor.
- Storage Room - Opened with the Grand Star from Colonel Sanders' Hot Sauce Reactor.
- Kitchen - Opened with the Grand Star from The King's Hamburger Plant.
- Playroom - Opened with the Grand Star from Colonel Sanders' Chicken Plant.
Some galaxies are not in hubs. They are reached from the main Headquarters, although most are next to hubs.
- Flooded City Galaxy
- Toybox Galaxy
- Solar Flare Galaxy
- Spear Tower Galaxy
- Block Land Galaxy
- Ski Mountain Galaxy
These galaxies are either reached from the Gate or next to it. The Gate area is opened when the Playroom is opened.
These galaxies are reached from the Hidden Planet, which appears when Ronald has all three Green Power Stars. The first three are opened with the Hidden Planet, while the fourth is opened when the other 120 Stars are collected.