September 2025 - Top Adult Games

The highest trending adult games from September 2025. This historical collection shows the mature games that achieved peak popularity during this month, representing the biggest hits in NSFW gaming during this period.

September 2025•Monthly top titles•Sorted by peak monthly scores

August

September 2025

October

Updated 20 days ago

#721

The Last Sovereign

AdventureEarly AccessIndie

Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.

95%Positive reviews

Free

#722

種付勇者傳

Interactive FictionJRPG

After a fatal car accident, you are rebirthed in another world as a Savior. Although you're still weak from rebirth, you can increase your power by having sex with women. Develop relationships with many different girls, and eventually create your harem. Base HCG 96 Total HCG 875

90%Positive reviews

$9.99