Hentai Isekai: The Sex Curse
| App ID | 4159380 |
| App Type | Game |
| Developer | Fantasy Games |
| Publisher | Fantasy Games |
| Supported Systems | Windows |
| Technologies | Unity Engine |
| Last Changenumber | 39323160 |
| Last Record Update | 29 September 2026 – 22:48:14 UTC ( |
| Release Date | 20 February 2026 – 09:30:15 UTC ( |
Summoned to another world by mistake... And the only thing keeping you alive is sex. Your new magic lets you generate Ether by having sex with women of this new world, but your energy drains every day. Form powerful sexual bonds and face the Demon Queen who cursed you… before your Ether runs out.
Additional Information
| Developer | Fantasy Games | |||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | Fantasy Games | |||||||||||||||||||
| Store Release Date | 20 February 2026 – 09:30:17 UTC ( |
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| osarch | empty string | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Social Media | https://discord.gg/2vXV4Z2kge https://x.com/Fantasy_GStudio https://www.youtube.com/@FantasyGStudio |
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| Primary Genre | Casual (4) | |||||||||||||||||||
| Store Genres | Casual (4), Simulation (28) | |||||||||||||||||||
| Steam Release Date | 20 February 2026 – 09:30:15 UTC ( |
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| Store Asset Modification Time | 13 November 2025 – 09:10:00 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| name_localized |
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| review_score | 6 | |||||||||||||||||||
| review_percentage | 76 | |||||||||||||||||||
| Detected Technologies | Unity Engine, FMOD SDK, Mono SDK, Resonance_Audio SDK, SteamworksNET SDK, UnityBurst SDK, cURL SDK | |||||||||||||||||||
| restricted_countries | CN,DE,SA China,  Germany,  Saudi Arabia |
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| Content Descriptors | Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5) | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| AI Content Type | 1 | |||||||||||||||||||
| First seen on SteamDB | 4 November 2025 – 10:41:19 UTC ( |
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| Content Descriptors (Including DLC) | Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5) | |||||||||||||||||||
Supported Languages
| 6 Languages | Interface | Full Audio | Subtitles | Achievements |
|---|---|---|---|---|
| English | Yes | Yes | Yes | |
| Spanish - Spain | Yes | Yes | Yes | |
| Simplified Chinese | Yes | Yes | Yes | |
| Korean | Yes | Yes | Yes | |
| Japanese | Yes | Yes | Yes | |
| Russian | Yes | Yes | Yes |
Tags
Categories
Accessibility Categories
Assets
Load all asset images 🔞
| trailer_name | Hentai Isekai Official Trailer EN |
| trailer_category | 3 |
| microtrailer ↴ | |
| video/webm | 4159380/1464910731/d5cc5faadda16ddf363439297542a653ca13f160/1763021980/microtrailer.webm |
| video/mp4 | 4159380/1464910731/d5cc5faadda16ddf363439297542a653ca13f160/1763021980/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 4159380/1464910731/d5cc5faadda16ddf363439297542a653ca13f160/1763021980/dash_av1.mpd |
| dash_h264 | 4159380/1464910731/d5cc5faadda16ddf363439297542a653ca13f160/1763021980/dash_h264.mpd |
| hls_h264 | 4159380/1464910731/d5cc5faadda16ddf363439297542a653ca13f160/1763021980/hls_264_master.m3u8 |
| screenshot_medium | 257230617/a04affea671044edf0b1a492ce7a893caa43fc37/movie_600x337.jpg |
| screenshot_full | 257230617/a04affea671044edf0b1a492ce7a893caa43fc37/movie_full.jpg |
| all_ages | false |
| is_highlight | true |
| timestamp | 14 November 2025 – 08:59:27 UTC |
User File System
| Key | Value | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| quota | 38.15 MiB (40000000) | ||||||||||
| maxnumfiles | 3 | ||||||||||
| ignoreexternalfiles | 1 | ||||||||||
| hidecloudui | 1 | ||||||||||
| savefiles |
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Save File Locations
Based on the configuration above, this is where we think the save files are located.
Read more about cloud saves in Steamworks documentation.
| Platform | Path | Pattern |
|---|---|---|
| Windows | %USERPROFILE%/AppData/LocalLow/FantasyGames/Hentai Isekai | *.dat |