To Be SIgma
Game Information
Developer
TobeSIgmaVersion
v0.91
Engine
HTML
Release Date
Oct 25, 2026
Last Update
Oct 25, 2026
Censorship
Uncensored
Overview
To Be SIgma is a visual novel for players who want family-based harem stories with a slow corruption arc. The tone stays grounded and character-focused rather than flashy.
Story
After his stepfather's death, an ordinary young man is left as the only man in a household of two sisters and a mother. With no one else to rely on, he has to find his own footing, and that path starts leading him toward learning how to read and use the women around him to get ahead in life.
Gameplay
Play unfolds as a text-based visual novel, moving through conversations and choices that shape how each woman in the protagonist's life responds to him. Decisions build toward seduction and influence over time rather than one-off encounters, and some character paths are shaped by community voting alongside the writer's own planned routes. Outside the home, the same approach extends into business and social settings tied to the wider cast.
Features
- Large planned cast, with some character arcs decided by player voting
- Story ties household life to outside settings like business and hospitality venues
- 3DCG presentation focused on the female cast
- Incest and harem themes run through the core storyline
Changelog
v0.91
- Megan — Major Storyline Overhaul: Reworked storyline, new scenes and events, redesigned dating system, more home visits, peeking opportunities, unexpected encounters, expanded interactions with Adriana, and new dialogue and reactions.
- Adriana — Major Storyline Overhaul: Rebuilt progression stages, new scenes and repeatable interactions, dynamic reactions, new Patience mechanic, expanded events with Megan, Chanel and Riley, additional activities and discoveries.
- New Quick Messaging System: Megan and Adriana can now send messages, photos, videos, and personal reactions during gameplay. New notifications and full-screen media viewing.
- Reworked Character Cards: New Information sections, Unlocked Actions, Memories, Scenes, relationship stages, discoveries, improved quest logs, and clearer progression requirements.
- Time & Energy Improvements: Many smaller interactions no longer advance the time of day, new daily limits, Energy costs, and more freedom to explore locations.
- Combat System & Tournament Overhaul: Reworked fights featuring Cali, Alix, Bellucci, Gia, Grays, and Cherry. Tournament opponents now have different fighting styles, special abilities, weaknesses, and perk interactions. Faster battles, skippable animations, improved perks, and clearer damage notifications.
- Character Schedules & Locations: New weekly schedules, improved character availability, and easier ways to find characters at different locations.
- General Improvements: Quest balancing, dialogue corrections, interface updates, notifications, progression fixes, and various bug fixes.
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