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Hentai Senpai: Seieki Akuma-Tachi

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Hentai Senpai: Seieki Akuma-Tachi

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Dive into Hell's lust filled depths with Hentai Senpai: Seieki Akuma-Tachi! Solve erotic puzzles to unveil cum-hungry succubi and demonesses craving your seed. Solve puzzles and conquer infernal beauties in steamy scenes. Gallery, favorites, profiles, and more! Unleash your inner demon lord!

$5.99

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Most popular community and official content for the past week. (?)

Seieki Akuma-Tachi v2.05.10a

Dec 14, 2025

Hentai Senpai: Seieki Akuma-Tachi v2.05.10a is live now!

🌟 New Features:

Sliding, Mirror & Shifting Puzzle Types Added – Three exciting new puzzle types to challenge you in unique ways!
102 Languages Supported (Excludes Character Profiles & Fonts) – Localization for all 102 languages, other than English, that Steam supports. This is a complete overhaul of the localization, including new languages and replacing all previous Google translation with new AI translation.
Text Size Adjustment (Accessibility) – Players can now increase or decrease the size of all in-game text for improved readability and comfort customization.
Title Color Customization (Accessibility) – New Title Color picker allows you to adjust both text and title colors separately.
DLC Button – Added to the pack selection menu for easy access to downloadable content.
Pause on Steam Overlay – Game now correctly pauses when the Steam overlay is displayed and disables the quit button during the Steam overlay.

🔧 Improvements:

Music System Optimization – Music loading has been updated, eliminating hitching of song changes during gameplay.
Faster Loading Times – Startup loading has been optimized, reducing load times by 9-10 seconds on average (depending on your hardware).
Game Save – Game saves every time you see the loading screen now, instead of only on game close.
Difficulty Grid Dropdown Text Clarity – Grid difficulty options and state now display in lowercase for improved readability across various font types.
Puzzle Piece Positioning – Pieces lock to exact grid positions more reliably after puzzle completion, greatly reducing gaps and spacing issues.
Sliding Puzzle Shuffling – Sliding puzzle shuffling has been updated and now works faster and randomizes properly across all difficulty levels.
Gallery Unlock Counter & Character Profile Numbers – Gallery now displays unlock progress. Character profiles now display a number next to each character's name.
Scrollbar colors – Scrollbar handles are now colored to the theme of the game instead of default white.
Pause on Steam Overlay – Game now correctly pauses when the Steam overlay is displayed and disables the quit button during the Steam overlay.
DLC Loading Optimization – Complete backend overhaul for DLC handling.
Character Profile Alignment – Character profiles now correctly line up regardless of which DLC packs are installed or removed.
Image Cycling Performance – Image cycling has been optimized and no longer causes gameplay lag while correctly advancing through images.
Steam API Shutdown – Game now correctly shuts down the Steam API on exit, resulting in faster game closing.

🔄 Changes:

Dropdowns Locked During Shuffling – Players can no longer change puzzle type or difficulty while shuffling is in progress, preventing potential gameplay conflicts.
Auto-Complete Button Timing – Auto-complete button now appears after shuffling is complete, preventing potential gameplay conflicts and reducing visual confusion.
Music Player Sizing – Music player and playlist dropdown have been optimized and resized to reduce overflow issues.
Updated Store Page – Store page has been updated with updated descriptions, translations for all languages and a new trailer to reflect the most current update.
JSON Structure – Character profile JSON files have been split and restructured for improved DLC and profile handling.
Back Button Positioning – Back buttons on pack and image menus have been repositioned for better UI flow.
Profile Visibility – Profile visibility toggle has been removed. You can still hide the entire character profile by hiding each section individually.

🐛 Bug Fixes:

Reset to Default State Button – Available in the Credits menu. There was unfortunately a save breaking bug (thanks Unity) in the game that would cause the game to crash and your progress to reset and there was no way to fix it. The only way to fix the bug is to reset your game, which now you can.
64-bit Build Fix – Should stop the above issue from happening again in the future.
Window Mode Issues – Window Mode flashing between Full Screen and Window Mode has been fixed.
Fixed Music Player Dropdown Scrollbar – Scrollbar now works correctly with improved functionality.
Fixed Language Dropdown Scrollbar – Scrollbar interaction issues have been resolved.
Fixed Disabled Dropdowns – Players can now correctly change difficulty and puzzle type after completing a puzzle.
Fixed Difficulty Dropdown Duplication – Dropdown text no longer duplicates labels repeatedly.
Fixed Auto-Complete Issue – Auto-complete button now correctly appears for the final image in each pack.
Fixed Last Image Pack Reload – Reloading the last image of a pack after you have completed it, no longer incorrectly advances to the next pack.
Fixed Volume Slider Interference – Arrow keys no longer cause unexpected Master and Music volume adjustments.
Fixed Music Slider Volume and Muting – Music volume slider now correctly handles volume adjustments and muting.
Fixed Gallery AutoPlay Reset – AutoPlay setting now correctly resets when stopping, changing and starting playback.
Fixed Accessibility Reset – Resetting accessibility options now properly resets time and date displays.
Fixed Puzzle Highlight Colors – Puzzle pieces have been updated to highlight correctly for all puzzles.
Fixed Completed Puzzle Colors – Puzzle pieces now return to their correct colors after puzzle completion.
Placeholder Handling – Placeholders are now correctly hidden regardless of DLC installation or removal status.
Favorites Toggle Issue – Fixed issue where the favorites toggle was incorrectly enabling placeholder images.

Cheers,
Kink Master Studios

Hentai Senpai: Seieki Akuma-Tachi

Descriptions not working

Some descriptions of the characters do not work properly.

tornirisker

Oct 1, 2025 @ 11:28pm

General Discussions

Hentai Senpai Bundles

Oct 9, 2025

2025 Bundle's

Hentai Senpai 2025 Ultimate Pleasure Bundle -40%!
Hentai Senpai 2025 OST Collection Bundle -40%!
Hentai Senpai 2025 Collection Bundle -20%!

2024/23 Bundle's

Hentai Senpai 2024/23 Ultimate Pleasure Bundle -40%!
Hentai Senpai 2024 Collection Bundle -20%!

Hentai Senpai: Seieki Akuma-Tachi

Hentai Senpai: Seieki Akuma-Tachi v2 Update

Sep 5, 2025

Hentai Senpai: Seieki Akuma-Tachi v2 Update, Unholy Holes, Demonic Snatch & OST available NOW!

Hentai Senpai v2 Update

Experience the premium upgrade with the free Hentai Senpai v2 Update, bringing all the latest updates, puzzles, and gallery features to your favorite adult puzzle game! Now fully aligned with the newest series enhancements for a smoother, sexier experience.

Unholy Holes (Free DLC)

Three engaging puzzle types: Swapping, Rotating, and the combination of both for every new image
12 uncensored & explicit images to unlock completely for FREE with this DLC!
Uncensored & explicit character profiles per image.

Demonic Snatch

Three engaging puzzle types: Swapping, Rotating, and the combination of both for every new image
33 uncensored & explicit images to unlock with this DLC!
Uncensored & explicit character profiles per image.

Hentai Senpai: Seieki Akuma-Tachi Original Soundtrack

39 tracks in total: 4 explicit OST vocal tracks, 19 instrumentals and 16 explicit OVST Hyperdream vocal tracks
Total duration: 2 hour, 21 minutes, 06 seconds
OST provided in WAV (24-bit, 48.0 kHz) and MP3 (48.0 kHz, 320 kbps CBR) formats
Lyrics for explicit vocal tracks provided as separate .txt files
OST album cover images provided in .png format
All songs composed, mixed and mastered by Kink Master Studios exclusively for Hentai Senpai: Seieki Akuma-Tachi

Hentai Senpai: Seieki Akuma-Tachi v1 will move to the Betas section so you can always go back and play the original game too!

Cheers,
Kink Master Studios

Hentai Senpai: Seieki Akuma-Tachi

Achievement not working

Achievement not working even after finishing game

Sρყɾσ & Sραɾχ

Jul 26, 2025 @ 7:03pm

General Discussions

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