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Ongoing v0.9b

The Null Hypothesis

4.6

(172 votes)

Game Information

Developer

Ron Chon

Version

v0.9b

Engine

Ren'Py

Release Date

Apr 6, 2026

Last Update

May 26, 2026

Censorship

Uncensored

Overview

The Null Hypothesis puts a comedic spin on the X-Men universe in this engaging dating sim adventure!

The Story

As mutant teenager Charles Xavier, navigate the halls of Xavier's School for Gifted Youngsters while juggling your powers, classes, and a harem of fellow mutants vying for your attention. When mysterious events threaten to expose your secret sanctuary, it's up to you to uncover the truth before disaster strikes.

Gameplay & Mechanics

Experience a unique blend of sandbox gameplay and dating sim mechanics as you manage your daily routine, upgrade your powers, and romance your classmates in this humorous take on the X-Men lore. With animated 2DCG scenes and internal view perspectives, every encounter is filled with tension and excitement.

Key Features

Mutant Harem: Woo and romance a diverse cast of mutant beauties, each with their own unique powers and personalities.
Superpower Progression: Upgrade your abilities and unlock new moves to help you navigate challenges and impress your lovers.
Parody & Humor: Experience the X-Men universe like never before with cheeky humor and comedic twists on classic storylines.

Download and play The Null Hypothesis now on Gaxload.

Installation

1. Extract and run.

Changelog

### 0.9b - v0.9b - - - fleshed out aftermath/debrief events for cheating on a character - - unlockable in the replay menu for those who don't want to trigger the normal way - - - new trigger events and accompanying narrations/reactions/interactions for Rogue, Laura, and Jean - - - new system for repairing poor relationships between pairs of characters - - tutorial by Kurt - - - her standing model has been added to the game, and she will be gradually added into the sandbox in a similar fashion to Charles - - - per Patreon poll, we're building with textures that are GPU-optimized to reduce the memory load on the image cache and improve loading times - - this has the downside of increasing build size by ~2x - - - can currently be accessed in the Danger Room upon completion of the Ch. 1 summer finale - - beta stage with a handful of predefined scenarios - - tutorial by Storm - - - both Patreon and background - - - more narrations/dialogue to accompany foot content ### 0.9a - v0.9a - - - kissing, cuddling, and cunnilingus cutouts - - standing male layers updated (including headpats) - - new hair styles - - face piercings - - tattoos - - customizable eyeshadow and lipstick color - - skimpy swimwear - - armpit and thigh body hair options - - proper frame-based leaking animations - - - attic hallway - - rec room - - basement hallway - - - sunrise vs. morning - - evening vs. sunset - - clear skies vs. raining - - - simulate previously experienced key events in the Danger Room - - - display current numerical value - - edit brightness, contrast, and saturation - - automatically reset values - - - spunk layers now have a "stain" effect on clothing layers while remaining gooey on skin - - - once you have access to a guitar, you can practice to build your skill! - - serenading a character can impress them or lead to awkward encounters depending on your skill - - - mostly of interest to modders: we've split locations off into submodules that act independently of the main game code, facilitating easy modification and addition of locations - - modifying the available actions at each location and adjacencies of locations is also much easier - - - new buttons in the bottom right of the wardrobe interface allow you to import/export outfits for transfer between saves - - export button saves the current outfit to the /Outfits/ directory created in the saves folder - - import button loads all outfits in the /Outfits/ directory of the saves folder and adds them to their respective character's wardrobe if the character owns all necessary items - - - options in save/load screen for importing and exporting saves and persistent data - - works on Android, exports to externally-accessible directory - - does not overwrite existing saves - - also imports/exports persistent data and outfits in save directory (does not overwrite either) - - - - makes it possible to identify when things like body parts and layers are visible for specialized reactions, without tedious labeling/tagging - - - offset detection of layeredimages for automatic texture placement - - auto-detection of clothing states and incompatibilities based on model - - aggressive memory optimizations enabling higher resolution textures - - extensive interface optimizations - - - configurable in the graphics menu! should significantly speed up game loading and reduce hitching - - will likely decrease performance on Android devices - keep set to "1" to disable - - - experiment with different options to see what maximizes stability on your device - - - screenshake can now be disabled alongside flashing lights - - temperature can now be reported in Celsius, Fahrenheit, or Kelvin - - remote vibrator UI is now draggable - - platonic hugs and other interactions that can be reasonably interpreted as platonic do not trigger cheating events - - pre-emptively delaying orgasms and mutual orgasms now possible with button press - - zoom/pan feature in sex screen - ### 0.8c - v0.8c - - - sandbox reactions are now handled by an overhauled system that attempts to achieve more natural and diverse reactions through natural combinations of generic and specific dialogue - - system is designed to support both modding and translation efforts, and it is trivial to add new interactions into the pool - - - significant revisions of both story and character events to facilitate platonic playthroughs, quirkless playthroughs, kink-heavy playthroughs, and everything inbetween - - - characters can now have multiple context-dependent petnames, including sexy and private ones - - - characters can now have more than two quirks, and it's easier than ever to add your own in - - - new system for characters becoming more experienced and accordingly confident in sex contexts, including robustification of oral and anal training as well as experience dirty talking and overall sexual experience - - - the database interface has been tweaked and now includes a ton of entries that can be accumulated over the course of a Ch. 1 playthrough - - - alternate strategy for checking for Live2D updates with less dependence on threading. should be more performant on Android and lower-spec devices and comparable on higher-end devices - - ### 0.8b1 - v0.8b1 - - - more graphics settings for tuning performance to a given device, with device-sensitive default settings - - low resolution setting now scales nearly all assets to 50% resolution - - Android-specific tweaks to reduce lag - - tuning image compression for quality/load time balance - - - "I Studied the Blade" should properly unlock now. make sure you have actually won the leaderboard at least once in the season (and have never lost it). the achievement should unlock at the start of the next season ### 0.8b - v0.8b - - - more graphics settings for tuning performance to a given device, with device-sensitive default settings - - low resolution setting now scales nearly all assets to 50% resolution - - Android-specific tweaks to reduce lag - - tuning image compression for quality/load time balance - ### 0.8a - v0.8a - - New CGs with events, multi-frame animations, x-ray, sweaty effects - - Pool party - - Modular dates with new kitchen module - - More dirty talking and flirting options - - Gift tweaks - - New locations and background art - - New graphics options for performance tuning - - Optimizations to Live2D - - Bugfixes ### 0.7b - v0.7b - - Remastered Ch.1 finale events - - Bugfixes ### 0.7a - v0.7a - - Ch. 1 Summer finale event - - Dirty talking system - - Optimizations to Live2D - - Bugfixes ### 0.6b - v0.6b - - Sex system update - - Low memory mode - - Interface updates - - Improvements for modders - - More options in game menu and character customization - - Optimizations to interfaces - - Bugfixes ### 0.6a - v0.6a - - New art (revised and Live2D animated sex poses for Rogue, Laura, and Jean) - - Real-time physics processing - - Slice of life events - - Reputation system and Institute leaderboards to track and reward personal progress - - New abilities, skills, and achievements - - Achievement shop - - Group activities and chat - - Random texting - - Various UI updates and improvements - - Dynamic outfits (mostly for default outfits) - - Optimizations to Live2D rendering and screens - - General bugfixes ### 0.5b - v0.5b - - New art (Rogue's blowjob pose; outfits and hairstyles for Rogue, Laura, Jean) - - Clothing should be done for all standing poses, complete with dialogue reactions - - Infidelity system overhaul to address bug reports - - Seasonal skill and level caps lifted - - Toggleable key items - - Optimizations to Live2D rendering, autosaves, and rollback - - General bugfixes ### 0.5a - v0.5a - - Quirk overhaul (modularity, customization, encouraging/discouraging tweaks) - - New clothing for Rogue, Laura, Jean - - Relationships menu tab - - General bugfixes ### 0.4b - v0.4b - - New art (Rogue's doggy pose; outfits for Rogue, Laura, Jean; Juggernaut event) - - New Mutant-tier silhouettes - - Clothing shame rebalance - - General bugfixes and QoL changes ### 0.4a - v0.4a - - Standing sprites (subtly) animated in Live2D - - Polyamory and friendship system - - Giving/receiving room keys - - Stat rebalance - - General bugfixes and QoL changes ### 0.3d - v0.3d - - New art (outfits for Rogue, Laura, Jean) - - Color changing (wardrobe items, hair/body hair, Player skin color, tanning) - - First part of friendship system (greetings change according to characters' relationship) - - General bugfixes and QoL changes ### 0.3c1 - v0.3c1 - - Bugfixes for most common reported errors ### 0.3c - v0.3c - - New art (classroom, Rogue's missionary pose) - - Rogue's missionary pose animated in Live2D - - First Mutant-tier silhouette - - Sex system logic tweaks - - New optional events in Chapter I: Summer for Rogue, Laura, Jean - - General bugfixes ### 0.3b - v0.3b - - New art (new outfit for Laura, accessory layers) - - Standing sprites implemented in Live2D (no new animations yet) - - Quality of life improvements - - Tweaks to outfit customization - - Customizable names and petnames - - Interface tweaks - - New optional events in Chapter I: Summer for Rogue, Laura, Jean - - General bugfixes ### 0.3a - v0.3a - - Gameplay overhaul to reduce grind - - New character-specific optional events - - Standing art upgrade - - Overhauled sex minigame - - New UI - - Level progression with skill tree - - Achievements - - New phone apps - - Dynamic background rendering - - General optimizations and bugfixes ### 0.2b - v0.2b - Not available. ### 0.2a - v0.2a - Not available. - Preview - - Prologue and first three (linear) days at the school.

Available for

Windows Mac Android