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Unity
Calibration Error v1.2
Tags
Calibration Error is a adult sci-fi game developed by Apollo Seven Patreon - ApolloSeven - Discord - Roadmap, built with the Ren'Py engine. It was first released in August 2018 and last updated in June 2026. The game runs on Windows, Mac, Linux, Android and is available in English.
Overview
Calibration Error is a comedy/sci fi/smut story of science gone wrong. Hijinks ensue after an unlicensed, inadvisable experiment that leaves the main character in a body not quite normal. Is your friend Emily, the inventor of the machine, really trying her hardest to fix it? Will you manage to return to normal? Or maybe you'll end up having sex with anyone around you who breathes. The choice (as long as the choice is one I wrote in advance) is up to you!
Features
Calibration Error features themes and elements such as sci-fi, transformation, 3dcg, bdsm, futa/trans, male protagonist, mobile game and oral sex.
Frequently Asked Questions
Is Calibration Error free to download?
Yes. Calibration Error is free to download, with links to the available builds listed on this page.
What engine is Calibration Error built on?
Calibration Error is built with the Ren'Py engine.
What platforms does Calibration Error support?
Calibration Error is available for Windows, Mac, Linux, Android.
What language is Calibration Error in?
Calibration Error is available in English.
Screenshots
Download Links
ANDROID
These links lead to external hosting providers. Use at your own risk.
Changelog
v1.2
Fixed a choice directing to the wrong branch on rare occasions
Fixed some typos
v1.0
Finished Game
0.76:
Pasage advancement is now handled with the arrow keys instead of any key.
0.75:
Complete formatting overhaul.
130+ new renders!
Removed TF Card Battle. It is now a separate game.
Minimal story content
0.71:
Bugfixes
0.7:
Story:
Added Lab Visit 7 (25,000+ words of content)
Emily scenes outside the lab now cnahe based on your "attitude" towards her
50+ new renders
Mobile version obsolete, regular release should work fine on phones
Card game:
Card game now has "levels"
Highest level goes up to TF 100 and has a boss at the end
Added 25 new cards
Lots of gerneral improvements and bug fixes
0.62:
Bug fixes for the card game
Added quality of life features for card game (autoplay cards button, Ui imporvements, extra rule details, etrc.)
Added in sidebar allowing for back button to be used again
Added story tree that shows your position in Emily's storyline for ease of exploration.
0.61:
Bugfixes
0.6:
Scenes up to lab visit 6 and transformation 4
TF Card Battle mini game
Psych professor storyline
Almost 50 new renders (over double the previous release)
17 hypnosis style gifs
Save system
Acheivement/History system to keep track of what scenes you've seen
Created mobile version formatted for smaller screens
General typo bug fixes and minor edits
0.5:
Initial release.
More links may be in the source thread (registration required).
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