Critical Mass: The Black Vein icon

Critical Mass: The Black Vein v1.16

Contains ads • In-app purchases

Critical Mass: The Black Vein screenshot 0 Critical Mass: The Black Vein screenshot 1 Critical Mass: The Black Vein screenshot 2 Critical Mass: The Black Vein screenshot 3 Critical Mass: The Black Vein screenshot 4

About this app

Developer Description

America is dead, now fight for its remains. Save Philly — or conquer it.

They say the world ended a hundred years ago, yet it still turns. In the century since, Philly has been torn apart by rabid monsters and rabid men. Highwaymen, slavers, and militias have carved up territories and claims, while simple villages suffer their wars. You are a simple wanderer looking for work. That’s why you’ve come to the Daughters of Liberty. But a simple scouting job is about to take a turn for the strange, sending you into a spiral of mysteries, intrigue, and brutality. Will you stand by the Daughters? Or will you fight to bring the fire of civilization to your home?
Critical Mass: The Black Vein is a 108,000-word interactive novel by Michael Meillarec, the second in the Critical Mass series. It’s entirely text-based, without graphics or sound effects, andfueld by the vast, unstoppable power of your imagination.

· Choose your gender.
· Fight for freedom or bring military order to the wastes.
· Accomplish your goals with stealth, combat, or persuasion.
· Make allies and enemies with survivalist factions.
· Protect a village from brutal raiders or lead them in the front gate.
· See (or destroy) the successes of Amish Country post-apocalypse.
· Uncover the secrets buried beneath Black Vein.

What's New

You can now choose a font in the Settings menu. Switch to Helvetica for crisp sans-serif text, or try the OpenDyslexic font, designed against some common symptoms of dyslexia. If you enjoy "Critical Mass: The Black Vein", please leave us a written review. It really helps!

In-app purchases

$4.99 per item

Version Information

Version
1.16
Downloads
1K+
Updated on
Jan 5, 2026
Released
Jan 27, 2020
Requires
Android 5.0

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Critical Mass: The Black Vein users say on Google Play

★★★★★
A Google user A Google user

Just fantastic

1 Feb 12, 2020
★★
A Google user A Google user

The stat system is poor. There's no clear way to choose your stats, your options are limited and way it affects the skill checks lets everything down. Character creation is minimal, as are choices and the ones you do get seem arbitrary. Also occasional spelling mistakes.

10 Feb 6, 2020
arrow hammer arrow hammer

Absolutely atrocious for the amount of money I paid for it to be this short if anyone else is reading this it's a great story but it's just way too short and makes it feel like you were cheated after you pay

2 Jan 26, 2021

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