Sin Slayers: Reign of the 8th Comes to Nintendo Switch on November 13.
All owners of the original Sin Slayers will receive the remastered version free of charge.
Originally released on Nintendo Switch in 2020, Sin Slayers gained recognition among fans of JRPGs and tactical combat for its unique mix of dark fantasy atmosphere, turn-based battles, and roguelite progression. Set in the mysterious Valley of Fallen Sinners, the game challenged players to lead a group of fallen heroes through procedurally generated locations, where every action influenced the world’s morality and the strength of their enemies.
Goonswarm Games is pleased to announce that Sin Slayers: Reign of the 8th — the remastered and expanded edition of the dark fantasy tactical RPG — will launch on Nintendo Switch on November 13, 2025. The official Nintendo Store page will open on November 6.
As a special thank-you to the community, all owners of the original Sin Slayers on Nintendo Switch will receive the remastered version, Sin Slayers: Reign of the 8th, completely free of charge.
Sin Slayers: Reign of the 8th returns players to the cursed Valley of Fallen Sinners, a world where every sin shapes the strength of enemies and the challenges ahead. The game blends turn-based tactical combat, roguelite exploration, and a morality system that dynamically responds to player decisions.
The remastered edition introduces:
New story chapters and quests expanding the lore of the Valley
Enhanced visuals, performance, and effects on Nintendo Switch
Rebalanced combat systems, improved AI, and refined progression
Additional bosses, items, and gameplay mechanics
Sin Slayers: Reign of the 8th offers the ultimate experience of the series — fully rebuilt, rebalanced, and ready for a new generation of Nintendo players.
Availability:
Nintendo Store Page: November 6, 2025
Launch Date: November 13, 2025
Retail price: $19.99 (FREE for owners of the original Sin Slayers)
