Once the second player joins, press to start the game. Note: In 2-player mode, the number of enemies often doubles to compensate for the extra firepower.
Are you playing the or one of the Secret Missions expansions? Demonstar - Guide and Walkthrough - PC - By CGorman DemonStar
Your RaptorX ship starts weak, but you can upgrade three main weapon categories by picking up colored icons. Collecting the same color multiple times increases that weapon's power level. Once the second player joins, press to start the game
Bosses usually have multiple "parts" (turrets, wings). Focus on destroying their side weapons first to reduce the number of projectiles you have to dodge before aiming for the core. Demonstar - Guide and Walkthrough - PC -
Collecting many power-ups of a specific color can change the behavior of your special attacks (e.g., orange icons can lead to homing bursts).
Fires a wide fan of bullets. Best for clearing crowds of weak enemies.