Fatal Twelve Demo

100.0% positiveFreeSteam Store

About the game

Shishimai Rinka was a high schooler who ran a small café named Lion House in place of her grandmother. She lived her life much like any other person her age, but one day, she was caught up in an explosion while returning home on the train alongside her friend, Hitsuji Naomi.

Current players

Updated Oct 28, 7:20 PM

24hr peak

Highest count in the last 24 hours

All time peak

Highest count in recorded history

Player history

39 observations in viewHistorical player data prior to Sept 2026 is from steamcharts.com.Oct 21, 2026, 10:00 PM – Oct 28, 2026, 7:20 PM

Game details

Rankings: Most Played#37,866
Developer: aiueoKompany
Publisher: Sekai Project
Release date: Apr 6, 2017, 5:35 PM
Languages: English, Japanese
Price: Free to play
Platforms: Windows
macOS
Linux
Features: Feature names
Single-player
Tags: Indie Casual Simulation

User reviews

Positive reviews

100.0%

Positive: 1
Negative: 0

Updated Sep 24, 10:41 AM

Review history

Mode

4 observations in viewSep 18, 2026, 3:12 AM – Sep 24, 2026, 10:41 AM