In Forsaken Castle, players control Lily, a newly appointed paladin, as she explores a vast, handcrafted world filled with secrets and challenges. The core mechanics involve discovering new abilities, battling various creatures, and solving puzzles to progress through the castle and its surrounding areas.

The storyline of Forsaken Castle follows Lily's quest to investigate the undead's appearance near a village, leading her to an abandoned castle where she must confront the evil lurking within. As she seeks to prove her worth as a paladin, she uncovers a deeper threat than she anticipated.

Forsaken Castle stands out with its SNES-inspired pixel art style, challenging battles, and multiple endings, offering players a rich experience filled with exploration, epic boss fights, and a blend of metroidvania gameplay with Castlevania aesthetics.