The S.I.N. Phantom

The S.I.N. Phantom

AI opened the Ghost Gate to the Netherworld, revealing bizarre entities. To conquer it, fight with charming female companions, deepen bonds through Dual Cultivation, and build your harem in a Cyber-Eastern world!

Player reception: Mostly Negative · 25% positive · 75 Steam reviews

Available on Steam (PC) — Play Now, checked 4 Nov 2026.