Fatal Twelve

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App ID	620210
App Type	Game
Developer	LYCORIS
Publisher	Sekai Project
Franchise	FATAL TWELVE
Supported Systems	Windows macOS Linux
Technologies	PyGame Engine, RenPy Engine
Last Changenumber	28975704
Last Record Update	14 May 2025 – 07:47:39 UTC ()
Release Date	30 March 2018 – 21:06:01 UTC ()

😎 87.31%

972 reviews

In-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.

Additional Information

Developer

LYCORIS

metacritic_name

Fatal Twelve

community_visible_stats

Yes

DLCAvailableOnStore

Yes

ReleaseState

released

Publisher

Sekai Project

Store Release Date

30 March 2018 – 21:06:14 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://discord.gg/sekai-project
https://www.facebook.com/SekaiProject/
https://www.twitch.tv/sekaiproject
https://x.com/sekaiproject
https://www.youtube.com/sekaiproject/

Primary Genre

Indie (23)

Store Genres

Adventure (25), Casual (4), Indie (23)

Steam Release Date

30 March 2018 – 21:06:01 UTC ()

Store Asset Modification Time

6 September 2019 – 21:07:56 UTC () (1567804076)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	BottomLeft
width_pct	100
height_pct	100

review_score

review_percentage

Detected Technologies (?)

PyGame Engine, RenPy Engine, Python SDK, SDL SDK

Steam Deck Compatibility

Steam Deck:
Some in-game text is small and may be difficult to read
All functionality is accessible when using the default controller configuration
This game's default graphics configuration performs well on Steam Deck
SteamOS:
This game runs successfully on SteamOS
category: Playable
steamos_compatibility: Compatible
test_timestamp: 27 January 2023 – 00:00:00 UTC
tested_build_id: 6678427

configuration:

supported_input	other
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	0
non_deck_display_glyphs	0
small_text	1
requires_internet_for_setup	0
requires_internet_for_singleplayer	0
recommended_runtime	native
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	0
hdr_support	0

First seen on SteamDB

3 April 2017 – 22:18:51 UTC (), in changelist #2852955

Supported Languages

4 Languages	Interface	Full Audio	Subtitles	Achievements
English	Yes		Yes	Yes
Japanese	Yes	Yes	Yes	Yes
Traditional Chinese	Yes		Yes	Yes
Simplified Chinese	Yes		Yes	Yes

Assets

Load all asset images

clienticon

58b776e7e83f3b2269b4af0b3592d5d09376ae69

clienttga

6dd61ffa5e5149973c0d538c701fd59086e10173

icon

9aab223db1de1991aa71ab25839e8f9c9a742b47

logo

ca92540e87c279884fc1ad61f2424b35fc86817f

logo_small

ca92540e87c279884fc1ad61f2424b35fc86817f_thumb

clienticns

bbfabee1cdb52687c16816ca12358afb2db33b6a

LinuxClientIcon

2db4482131130af187fe5a95bc971316b7955ce2

small_capsule

english

capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image2x/english	library_600x900_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
image2x/english	logo_2x.png
logo_position/pinned_position	BottomLeft
logo_position/width_pct	100
logo_position/height_pct	100

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	9aab223db1de1991aa71ab25839e8f9c9a742b47.jpg
page_background_path	app/620210
timestamp	17 September 2024 – 20:55:58 UTC

Trailers

256708906 ↴
trailer_name	Trailer EN
trailer_category	0
trailer_480p/video/webm	256708906/movie480.webm
trailer_480p/video/mp4	256708906/movie480.mp4
trailer_max/video/webm	256708906/movie_max.webm
trailer_max/video/mp4	256708906/movie_max.mp4
microtrailer/video/webm	620210/147379/95037e121c20ebbe0370aff63721999d30822067/1751161068/microtrailer.webm
microtrailer/video/mp4	620210/147379/95037e121c20ebbe0370aff63721999d30822067/1751161068/microtrailer.mp4
screenshot_medium	256708906/movie.293x165.jpg
screenshot_full	256708906/movie_full.jpg
trailer_base_id	147379
all_ages	true
is_highlight	true
timestamp	1518670122
256682595 ↴
trailer_name	Trailer JP
trailer_category	0
trailer_480p/video/webm	256682595/movie480.webm
trailer_480p/video/mp4	256682595/movie480.mp4
trailer_max/video/webm	256682595/movie_max.webm
trailer_max/video/mp4	256682595/movie_max.mp4
microtrailer/video/webm	620210/96956/097ef24c88e31f6d556addb9296053ce84bfbfd1/1751161064/microtrailer.webm
microtrailer/video/mp4	620210/96956/097ef24c88e31f6d556addb9296053ce84bfbfd1/1751161064/microtrailer.mp4
screenshot_medium	256682595/movie.293x165.jpg
screenshot_full	256682595/movie_full.jpg
trailer_base_id	96956
all_ages	true
is_highlight	true
timestamp	1518670110

Bundles

ID	Name	Set	%	Price		Created
6879	Fatal Twelve Complete Collection	No	-12%	$70.35		14 April 2018 – 00:02:07 UTC
11707	Sekai Project Kickstarter Bundle	No	-10%			8 June 2022 – 13:15:18 UTC

Store Packages

SubID	Name	Price		Last Update
166559	Fatal Twelve (Not in)	$19.99		6 October 2025 – 17:36:11 UTC

Packages

SubID	Name	Billing Type	Last Update
166557	Steam Sub 166557	CD Key	21 October 2024 – 17:48:15 UTC
166558	Fatal Twelve for Beta Testing	CD Key	7 May 2021 – 00:17:33 UTC
261900	Fatal Twelve ( 620210 ) - complimentary reviewer package	No Cost	7 May 2021 – 00:17:24 UTC

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Fatal Twelve

Additional Information

Supported Languages

Tags

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Assets

Bundles

Store Packages

Packages