How to get the downloadable content:
Register on Steam or log in with already existing account and enter on Mobile Astro store page, which is permanently free to play. Click on Add to Account button to keep this game permanently. Then go to game’s DLC page, Mobile Astro EX Pack, and also click on Add to Account button to keep this DLC permanently. This offer will expire Apr 8 at 21:00 UTC.
Or just click on following links:
About this content
- Survival Mode: Eliminate as many enemies as possible with a single life.
- Arcade EX Mode: Fight off a second enemy invasion across 8 stages.
- Boss Rush Mode: Defeat all 8 bosses as quickly as possible.