Upgrade System
To aid players in their fight against the escalating alien threat, Stairway to Heaven features a robust upgrade system. Players can enhance their capabilities through a variety of upgrades, including faster fire rates, new combat moves, and more powerful weapons. As players progress, they must strategically select upgrades that complement their playstyle and help them adapt to the increasing difficulty posed by stronger and more numerous enemies. This customization allows players to feel a sense of growth and improvement as they tackle the challenges ahead.