The included the first 10 levels and limited multiplayer options. To unlock the full game—levels 11 through 50, all power-ups, and full multiplayer—you needed to input a valid registration name and a corresponding code.

Today, a user downloading AirXonix from an abandonware site or an old archive runs into a problem. The game still functions, but it remains locked. The "Register" button sits tauntingly in the main menu.

After analyzing user reports from 2005–2025, the following combinations have the highest success rate for version 1.0, 1.1, and 1.2 of AirXonix:

If you have a registration name and code, follow these steps to unlock the game: Open the game on your Windows PC.

Unlike modern SaaS keys, AirXonix used an . Here’s how it worked: