我的妹妹未来

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App ID	3785720
App Type	Game
Store Name	Pact Between Us
Developer	MYSTERY CROWN
Publisher	MYSTERY CROWN
Supported Systems	Windows macOS
Technologies	Unity Engine
Last Changenumber	31807693
Last Record Update	21 October 2025 – 03:40:58 UTC ()
Release Date	25 July 2025 – 11:59:26 UTC ()

❓ 81.13%

285 reviews

In-Game

"Pact between us" is a FMV. After the loss parents, you and your younger sister become siblings who only have each other. You must tenderly care for her daily life.What kind of woman will your sister grow into? Every arrangement you implement during her upbringing carries profound weight.

Additional Information

Developer

MYSTERY CROWN

community_visible_stats

Yes

ReleaseState

released

Publisher

MYSTERY CROWN

Store Release Date

25 July 2025 – 11:59:29 UTC ()

osarch

community_hub_visible

Yes

Primary Genre

Casual (4)

Store Genres

Casual (4), Indie (23), RPG (3), Simulation (28)

Steam Release Date

25 July 2025 – 11:59:26 UTC ()

Store Asset Modification Time

5 August 2025 – 08:38:25 UTC () (1754383105)

library_assets

library_capsule	zh-cn,en
library_hero	en,zh-cn
library_hero_blur	en,zh-cn
library_logo	zh-cn,en
library_header	en,zh-cn
logo_position ↴
pinned_position	BottomLeft
width_pct	47.46835443037974
height_pct	56.85770236206642

osextended

macos64,macosapplesilicon

name_localized

english

Pact Between Us

review_score

review_percentage

Detected Technologies (?)

Unity Engine, UnityBurst SDK, UnityIL2CPP SDK

Steam Deck Compatibility

Steam Deck:
Entering some text requires manually invoking the on-screen keyboard
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
Note: Entering some text requires manually invoking the on-screen keyboard
category: Playable
steamos_compatibility: Compatible
test_timestamp: 3 September 2025 – 00:00:00 UTC
tested_build_id: 19480732

configuration:

supported_input	other
requires_manual_keyboard_invoke	1
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	proton-stable
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	0
hdr_support	0

controllertagwizard

Yes

AI Content Type

First seen on SteamDB

30 May 2025 – 05:33:09 UTC (), in changelist #29276661

Supported Languages

2 Languages	Interface	Full Audio	Subtitles	Achievements
Simplified Chinese	Yes	Yes		Yes
English	Yes			Yes

Assets

Load all asset images

clienticon

3fb409610b4c799602b00f408f1c5e133c8c40b9

clienttga

6012ea81d68607ad0dfc5610e61f17101373c1fd

icon

cbf255dbce5623620f535dc6718d022bd12a167e

clienticns

0bb4fcc88a2fb8d6af833e6cb000132bdb8a6d46

LinuxClientIcon

b72e3ea23d95d949dbc718a5540254b1e56f8a31

small_capsule

english	2b6819b5d52f68f8429578070e008835dd5a208a/capsule_231x87.jpg
schinese	02a3a45cf34f9994d3b75744ac74e687a8c138db/capsule_231x87_schinese.jpg

header_image

english	6722973fb3d2781767d395f5707ec7f19d328f42/header.jpg
schinese	94e6533982ca7a382c8f5a2c917c6ee7a03ff096/header_schinese.jpg

library_assets_full

library_capsule ↴
image/schinese	8f7b929df57ced95b77f20aa831bbcdb47160ea7/library_capsule_schinese.jpg
image/english	dfba9b899bfa0f0e74eeeab95c7ab4f5f223bda4/library_capsule.jpg
image2x/schinese	8f7b929df57ced95b77f20aa831bbcdb47160ea7/library_capsule_schinese_2x.jpg
image2x/english	dfba9b899bfa0f0e74eeeab95c7ab4f5f223bda4/library_capsule_2x.jpg
library_hero ↴
image2x/english	5af7312ea156d596e0b19574b403a8595d816bff/library_hero_2x.jpg
image2x/schinese	5af7312ea156d596e0b19574b403a8595d816bff/library_hero_schinese_2x.jpg
image/english	5af7312ea156d596e0b19574b403a8595d816bff/library_hero.jpg
image/schinese	5af7312ea156d596e0b19574b403a8595d816bff/library_hero_schinese.jpg
library_hero_blur ↴
image/english	5af7312ea156d596e0b19574b403a8595d816bff/library_hero_blur.jpg
image/schinese	5af7312ea156d596e0b19574b403a8595d816bff/library_hero_blur_schinese.jpg
library_logo ↴
image/schinese	5b9e44d372ae0225ff38b168a1c35921a73f56cb/logo_schinese.png
image/english	3bec05a6ef4e912f03afef280bfe0a4d5641b9f0/logo.png
image2x/schinese	5b9e44d372ae0225ff38b168a1c35921a73f56cb/logo_schinese_2x.png
image2x/english	3bec05a6ef4e912f03afef280bfe0a4d5641b9f0/logo_2x.png
logo_position/pinned_position	BottomLeft
logo_position/width_pct	47.46835443037974
logo_position/height_pct	56.85770236206642
library_header ↴
image/english	6722973fb3d2781767d395f5707ec7f19d328f42/library_header.jpg
image/schinese	94e6533982ca7a382c8f5a2c917c6ee7a03ff096/library_header_schinese.jpg
image2x/english	6722973fb3d2781767d395f5707ec7f19d328f42/library_header_2x.jpg
image2x/schinese	94e6533982ca7a382c8f5a2c917c6ee7a03ff096/library_header_schinese_2x.jpg

Assets

main_capsule	0b9bf2d978c2d8d97668cba54771b125b22b233d/capsule_616x353.jpg
small_capsule	2b6819b5d52f68f8429578070e008835dd5a208a/capsule_231x87.jpg
header	6722973fb3d2781767d395f5707ec7f19d328f42/header.jpg
page_background	41141da1a90b04c3c16d847cd66687c081cca085/page_bg_v6.jpg
hero_capsule	5ff6b414e2fa9cb58f55c263c64cb3f9e57bf6ab/hero_capsule.jpg
hero_capsule_2x	5ff6b414e2fa9cb58f55c263c64cb3f9e57bf6ab/hero_capsule_2x.jpg
library_capsule	dfba9b899bfa0f0e74eeeab95c7ab4f5f223bda4/library_capsule.jpg
library_capsule_2x	dfba9b899bfa0f0e74eeeab95c7ab4f5f223bda4/library_capsule_2x.jpg
library_hero	5af7312ea156d596e0b19574b403a8595d816bff/library_hero.jpg
library_hero_2x	5af7312ea156d596e0b19574b403a8595d816bff/library_hero_2x.jpg
community_icon	cbf255dbce5623620f535dc6718d022bd12a167e.jpg
page_background_path	app/3785720
raw_page_background	41141da1a90b04c3c16d847cd66687c081cca085/page_bg_raw.jpg
timestamp	21 October 2025 – 03:41:35 UTC

Trailer 937791 ↴

trailer_name	weilai1
trailer_category	0
trailer_480p ↴
video/webm	257171383/movie480_vp9.webm
video/mp4	257171383/movie480.mp4
trailer_max ↴
video/webm	257171383/movie_max_vp9.webm
video/mp4	257171383/movie_max.mp4
microtrailer ↴
video/webm	3785720/92489548/09b59cedfc4471bdef35837e7d14c01b371eef03/1752977307/microtrailer.webm
video/mp4	3785720/92489548/09b59cedfc4471bdef35837e7d14c01b371eef03/1752977307/microtrailer.mp4
adaptive_trailers ↴
dash_av1	3785720/92489548/09b59cedfc4471bdef35837e7d14c01b371eef03/1752977307/dash_av1.mpd
dash_h264	3785720/92489548/09b59cedfc4471bdef35837e7d14c01b371eef03/1752977307/dash_h264.mpd
hls_h264	3785720/92489548/09b59cedfc4471bdef35837e7d14c01b371eef03/1752977307/hls_264_master.m3u8
screenshot_medium	257171383/abd509706fbc26a9559d02983eca2bd7dedb14af/movie_600x337.jpg
screenshot_full	257171383/abd509706fbc26a9559d02983eca2bd7dedb14af/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	20 July 2025 – 05:19:37 UTC

Depots

ID	Configuration	Size	DL.
3785721	Unused	No size
3785722	Windows 64-bit	46.29 GiB	45.75 GiB
3785723	macOS 64-bit	46.43 GiB	45.83 GiB

Total size on disk is 92.72 GiB and total download size is 91.59 GiB.

Total size on disk is 46.29 GiB and total download size is 45.75 GiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		20474852	21 October 2025 – 03:40:24 UTC

Other

Name	Value
baselanguages	English, Simplified Chinese, Traditional Chinese
privatebranches	1

我的妹妹未来

Additional Information

Supported Languages

Tags

Categories

Assets

Trailer 937791 ↴

Depots

Branches

Other