Xenon 2 - Megablast

Xenon 2: Megablast is a vertically scrolling shoot 'em up for Game Boy, released in 1992 by Mindscape. Gameplay follows the Megablaster ship pilot destroying five time-planted bombs by the Xenites across five levels (Cambrian era to futuristic space). The ship moves multidirectionally, fires blaster, and has temporary shield; reverse scrolling limitedly from bottom of screen. Collect capsules for weapons (blaster, missiles, lasers, rapid fire), speed boosts, or dives; buy upgrades at Crispin's Swop Shop using Real Cash from destroyed enemies. Five bosses per level with specific strategies; no continuous firing. Story involves preventing Xenite time bombs from exploding. Stands out for addictive power-up shop, innovative boss encounters, and energetic soundtrack by Bomb the Bass.