For a visual guide on using specific in-game power-ups like the laser, check out this tutorial: If you'd like more specific help, let me know:

: There are 16 stages in total, including 3 bonus levels and a tournament mode. You start with one plane; others are unlocked by finding aircraft parts scattered throughout the levels.

: Focus on your Main Cannon and Wing Cannon first to increase damage. The Magnet is essential for efficiently gathering stars to fund further upgrades.