天空火炮 (Sky Cannon) is a free iPhone game developed by 境 饶. In this game, players are tasked with eliminating waves of bubbles that are floating in the sky. But that's not all - there are also giant watermelons and meteorites coming your way, so be sure to dodge them!

天空火炮 is a fun and fast-paced game that offers a great way to relax and unwind. Players can pilot a rocket and equip it with various weapons that can be developed and upgraded. With waves of bubbles constantly coming towards you, how long can you survive?

Key Features:

• Multiple weapons that can be developed and upgraded
• Various unique enemies to encounter
• A wide range of meticulously designed levels to challenge yourself

With its engaging gameplay and the ability to upgrade weapons, 天空火炮 provides an entertaining experience for players who enjoy bubble shooting games. So, grab your rocket and get ready to take on the challenge!