1 Year of Service
- Allow others to update?
- yes
- Developer Name
- TheSinningDev
- Developer Links
- Version
- 0.0.8
- Latest Update
- Sep 2, 2025
- Release Date
- Mar 2, 2025
- Language
- English
- OS
- Windows
Overview:
Play as a newly hired professor of the Millennium Institute, home of the greatest minds in the world, where you will embark on a journey of
teaching students, earning prestige, uncovering mysteries, and partaking in the lewd vices that surround you.
Adult, Erotic, Interactive Fiction, Life Simulation, Role Playing, Text based, Twine
Extract and run
Alpha 0.0.10 -- Patreon Only
Reworked time system to use day sections (e.g. morning, afternoon, etc) instead of using real time.Added handful of uses for the Stealth skill, including a new method of entry into the dorms.Added NPC to cafeterium who unlocks the ability to create illicit academic materials, which can be sold to the NPC in question. Doing so increases the Dealing skill.Various UI changes.
Alpha 0.0.9 -- Patreon Only
NPC conversations now make use of Psychology subskillsAdded Dorm location in a preliminary form.
Alpha 0.0.8 -- 2/17/25 Public Release
Stats and Skills overhauled! Each Stat and Skill now also includes multiple substats/subskills. Updated Sidebar UI. Now including icons!Solve math theorems/conduct psych experiments for the Institute for money!
Alpha 0.0.7
Added a sex minigame! NPCs with a high love or lust score can now be seduced. Features currently limited.Gain exp during sex and improve NPC's feelings towards you by bringing them to climax, as well as lowering their stress.Introduced a new NPC, the Nurse, who can be met at the Infirmary.Speaking with the Nurse results in being offered a spot as their research subject. Accepting will lead to the first of several lewd and enticing events, as well as a steady income.
Alpha 0.0.6 -- 11/15/24
Changed the UI of NPC conversations and the Classroom.Added additional options for NPC conversations, including NPC reactions to some player actions.
Alpha 0.0.5 -- 8/26/24
Added an inventory system and several items for purchase in the Campus Store.Added consequences for mishandling Player status bars, which can result in a special event.
Alpha 0.0.4 -- 7/15/24
Added the first quest line, which involves the Headmaster and the Observatory.
Alpha 0.0.3 -- 6/6/24
Changed appearance of Stress/Hunger/Bladder/Arousal bars.Changed Campus Map UI and functionality, which also temporarily resolves a bug that prevented links from being used with the keyboard.Added alert to the sidebar on days class is scheduled.Added preliminary mood to NPC info during conversations.
Future Updates
Reworked time system to use day sections (e.g. morning, afternoon, etc) instead of using real time.Added handful of uses for the Stealth skill, including a new method of entry into the dorms.Added NPC to cafeterium who unlocks the ability to create illicit academic materials, which can be sold to the NPC in question. Doing so increases the Dealing skill.Various UI changes.
Alpha 0.0.9 -- Patreon Only
NPC conversations now make use of Psychology subskillsAdded Dorm location in a preliminary form.
Alpha 0.0.8 -- 2/17/25 Public Release
Stats and Skills overhauled! Each Stat and Skill now also includes multiple substats/subskills. Updated Sidebar UI. Now including icons!Solve math theorems/conduct psych experiments for the Institute for money!
Alpha 0.0.7
Added a sex minigame! NPCs with a high love or lust score can now be seduced. Features currently limited.Gain exp during sex and improve NPC's feelings towards you by bringing them to climax, as well as lowering their stress.Introduced a new NPC, the Nurse, who can be met at the Infirmary.Speaking with the Nurse results in being offered a spot as their research subject. Accepting will lead to the first of several lewd and enticing events, as well as a steady income.
Alpha 0.0.6 -- 11/15/24
Changed the UI of NPC conversations and the Classroom.Added additional options for NPC conversations, including NPC reactions to some player actions.
Alpha 0.0.5 -- 8/26/24
Added an inventory system and several items for purchase in the Campus Store.Added consequences for mishandling Player status bars, which can result in a special event.
Alpha 0.0.4 -- 7/15/24
Added the first quest line, which involves the Headmaster and the Observatory.
Alpha 0.0.3 -- 6/6/24
Changed appearance of Stress/Hunger/Bladder/Arousal bars.Changed Campus Map UI and functionality, which also temporarily resolves a bug that prevented links from being used with the keyboard.Added alert to the sidebar on days class is scheduled.Added preliminary mood to NPC info during conversations.
Future Updates
Early Alpha
This game is currently in early, early alpha. Features are very limited and lack refinement, and the overall story is at its inception. The purpose of posting this game here is to test the waters and get a feel for what Itch.io has to offer, as well as to garner general interest and feedback as the game evolves.
At this time updates to A Teacher's Sins are expected to take place, ideally, twice per month. One update will be for general refinement of the game, including bug fixes, UI changes, expanding story/NPC descriptions, and similar tasks, while the other update will focus on expanding primary features, adding NPCs and locations, and expanding the overall story.
Content
Due to the early alpha nature of this game, the below features are not currently implemented and subject to change, but, barring those changes, the game can expect to eventually have:
Unique NPCs with their own stories, including: the Millennium Institute's very own Headmaster, a corrupt campus officer, one of the Institute's highly-capable nurses, and an assortment of unique students and professors.
Options to partake in research for the Institute, ranging from solving mathematical theorems to engineering all new computer architecture, or even researching the erotic effects of studying while naked!
Deeper and more dynamic interactions with NPCs, including relationships, NPC schedules, arranging meetings, and more.
Traits for both the player and NPCs, ranging from an aptitude for the various scholarly fields available at the Institute to strange and exciting fetishes.
This game is currently in early, early alpha. Features are very limited and lack refinement, and the overall story is at its inception. The purpose of posting this game here is to test the waters and get a feel for what Itch.io has to offer, as well as to garner general interest and feedback as the game evolves.
At this time updates to A Teacher's Sins are expected to take place, ideally, twice per month. One update will be for general refinement of the game, including bug fixes, UI changes, expanding story/NPC descriptions, and similar tasks, while the other update will focus on expanding primary features, adding NPCs and locations, and expanding the overall story.
Content
Due to the early alpha nature of this game, the below features are not currently implemented and subject to change, but, barring those changes, the game can expect to eventually have:
Unique NPCs with their own stories, including: the Millennium Institute's very own Headmaster, a corrupt campus officer, one of the Institute's highly-capable nurses, and an assortment of unique students and professors.
Options to partake in research for the Institute, ranging from solving mathematical theorems to engineering all new computer architecture, or even researching the erotic effects of studying while naked!
Deeper and more dynamic interactions with NPCs, including relationships, NPC schedules, arranging meetings, and more.
Traits for both the player and NPCs, ranging from an aptitude for the various scholarly fields available at the Institute to strange and exciting fetishes.
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