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Zero Sum

Zero Sum

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Zero Sum [v2.0 EP.2] [Only One]
Developer Only One -
Status in-development
Version 2.0 - Episode 2
Released 2026-04-18
Price free
Languages enesru
Platforms windowsmaclinuxandroid
3D Game Anal Sex Animation Creampie Cute Erotic Funny Futa/Trans Group Sex Hand Job Indie Male Protagonist Mobile Multiple Penetration Oral Sex Point-and-Click POV Ren'Py Romance Swinging Transgender Vaginal Sex Visual Novel

Editorial Has potential

Zero Sum is an early-episode release that has generated genuine interest alongside pointed frustration. On the creative side, players highlight distinct and often extreme character personalities, writing that moves at a decent pace, and a premise with real potential for a branching harem story. Alice in particular draws warm attention. The main recurring complaint is not about quality per se but about content fit: the current build includes a mandatory MMF threesome and an unavoidable blowjob scene, and a vocal portion of the audience wants these to be skippable or avoidable via choices. The developer has acknowledged this and signalled future optional paths, and at least one observer notes that critics should be weighed carefully against the original vision. Fetish-content questions — futa, femdom, lesbian routes — are active in the community and appear to be on the roadmap to varying degrees, so readers should check developer notes to see whether the planned content mix suits their taste. As a current build, Episode 1 is functional but clearly mid-development: choices exist in the UI but do not yet meaningfully branch the story, the release was not clearly labelled as a demo at launch (causing some player frustration), and minor polish issues such as name-display capitalisation remain. It runs without reports of crashes or launch failures, but the lack of consequential choices makes it feel like an early preview rather than a finished episode.

Description

Zero Sum is an adult visual novel with thriller elements about moral compromise and consequence. You play an ordinary manager unexpectedly promoted to lead Project Icarus, tasked with finalizing and marketing the "Phoenix" algorithm—a system that analyzes user behavior to dynamically raise taxi prices during moments of vulnerability. As the algorithm learns more about customers and profits grow, you discover your promotion was no accident: you've entered a world where morality and profit cannot coexist. The narrative unfolds as someone begins to uncover the project's secrets, and the stakes become personal. Your choices throughout the game determine not just the project's fate, but your own—with consequences that leave no one unscathed.

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