Even if you get a Game Over, you keep leftover gems to use in this mode, rewarding the "grind" of multiple runs. Strategic Tips

Professor Howard's blimp appears periodically during stages, allowing you to spend blue gems dropped by enemies:

Your plane has a relatively large hitbox, so precision movement is essential. Many hazards are environmental, not just enemy fire. Shop & Upgrades

is a horizontal side-scrolling "cute 'em up" (shmup) where you pilot vintage biplanes to defend the world against the Gozareans. This guide covers core mechanics, upgrades, and progression tips for the Nintendo Switch version. Core Mechanics & Controls

You can buy Shields and Extra Lives to increase your survivability.

Purchase upgrades like Ripple Lasers , multi-directional bombs, and reflecting missiles.

The game relies heavily on knowing where enemies spawn, especially those that appear from behind. Memorizing stage layouts is more effective than pure reflexes.

"Eteraday" is a secondary mode where you rebuild a village using gems collected during your playthrough: