Phantom Alchemy ~Silvia's Dynamic Urban Planning~

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App ID	2074940
App Type	Game
Developer	Trynity Lab.
Publisher	OTAKU Plan
Franchise	OTAKU Plan
Supported Systems	Windows
Technologies	RPGMaker Engine
Last Changenumber	29342074
Last Record Update	3 June 2025 – 06:59:33 UTC ()
Release Date	7 January 2023 – 03:04:57 UTC ()

❓ 70.15%

44 reviews

In-Game

In order to make up for the corruption committed by her father, Silvia had to help the development of the border city as an alchemist. But if she wants to use alchemy, she must convert the spiritual power of residents into energy.

Additional Information

Developer

Trynity Lab.

ReleaseState

released

Publisher

OTAKU Plan

Store Release Date

7 January 2023 – 03:05:00 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://discord.gg/yW54Vr6Q8Q
https://x.com/otaku_plan

Primary Genre

RPG (3)

Store Genres

Adventure (25), RPG (3)

Steam Release Date

7 January 2023 – 03:04:57 UTC ()

Store Asset Modification Time

3 June 2025 – 06:50:28 UTC () (1748933428)

library_assets

library_capsule	en,ja,zh-cn
library_hero	en
library_logo	en,zh-cn,ja
logo_position ↴
pinned_position	BottomLeft
width_pct	100
height_pct	100

osextended

empty string

name_localized

japanese	ファントム・アルケミア～シルヴィアのドキドキ都市計画～
schinese	魅影炼金 ~西尔维娅的心跳都市计划~

review_score

review_percentage

Detected Technologies (?)

RPGMaker Engine, NWJS SDK, NodeJS SDK, Vorbis SDK

Steam Deck Compatibility

Steam Deck:
All functionality is accessible when using the default controller configuration
In-game interface text is legible on Steam Deck
This game's default graphics configuration performs well on Steam Deck
Note: This game does not default to external Bluetooth/USB controllers on Deck, and may require manually switching the active controller via the Quick Access Menu
SteamOS:
This game runs successfully on SteamOS
Note: This game does not default to external Bluetooth/USB controllers on SteamOS, and may require manually switching the active controller via the Quick Access Menu
category: Verified
steamos_compatibility: Compatible
test_timestamp: 11 February 2023 – 00:00:00 UTC
tested_build_id: 10252392

configuration:

supported_input	gamepad
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	1
non_deck_display_glyphs	0
small_text	0
requires_internet_for_setup	0
requires_internet_for_singleplayer	0
recommended_runtime	proton-7.0-6
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	0
hdr_support	0

Content Descriptors

Some Nudity or Sexual Content (1), General Mature Content (5)

First seen on SteamDB

30 June 2022 – 08:20:35 UTC (), in changelist #15280745

Content Descriptors (Including DLC)

Some Nudity or Sexual Content (1), General Mature Content (5)

Supported Languages

3 Languages	Interface	Full Audio	Subtitles
Japanese	Yes	Yes	Yes
English	Yes		Yes
Simplified Chinese	Yes		Yes

Assets

Load all asset images

clienticon

70578fd32d79eb7de2c284eafd8393f4ca1c0820

clienttga

20081a8b4be42fe9818d4c13b197ff3b32bdcdfd

icon

1bfa8a4ec66d3d146ad7b73c5d39024328ad5906

small_capsule

english	capsule_231x87.jpg
japanese	capsule_231x87_japanese.jpg
schinese	capsule_231x87_schinese.jpg

header_image

english	header.jpg
japanese	header_japanese.jpg
schinese	header_schinese.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image/japanese	library_600x900_japanese.jpg
image/schinese	library_600x900_schinese.jpg
image2x/english	library_600x900_2x.jpg
image2x/japanese	library_600x900_japanese_2x.jpg
image2x/schinese	library_600x900_schinese_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
image/schinese	logo_schinese.png
image/japanese	logo_japanese.png
image2x/english	logo_2x.png
image2x/schinese	logo_schinese_2x.png
image2x/japanese	logo_japanese_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
page_background	page_bg_generated_v6b.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	1bfa8a4ec66d3d146ad7b73c5d39024328ad5906.jpg
page_background_path	app/2074940
raw_page_background	page_bg_raw.jpg
timestamp	3 June 2025 – 06:59:28 UTC

Trailers

256915980 ↴
trailer_name	pv
trailer_category	0
trailer_480p/video/webm	256915980/movie480_vp9.webm
trailer_480p/video/mp4	256915980/movie480.mp4
trailer_max/video/webm	256915980/movie_max_vp9.webm
trailer_max/video/mp4	256915980/movie_max.mp4
microtrailer/video/webm	2074940/513330/db027d111f632d6721e8ada097ad0884002dd7fb/1751072125/microtrailer.webm
microtrailer/video/mp4	2074940/513330/db027d111f632d6721e8ada097ad0884002dd7fb/1751072125/microtrailer.mp4
screenshot_medium	256915980/movie.293x165.jpg
screenshot_full	256915980/movie_full.jpg
trailer_base_id	513330
all_ages	true
is_highlight	true
timestamp	1672480440

Depots

ID	Configuration	Size	DL.
2074941	Japanese	847.82 MiB	724.30 MiB
2074942	Simplified Chinese	849.40 MiB	724.98 MiB
2074943	English	847.24 MiB	723.77 MiB

Total size on disk is 2.48 GiB and total download size is 2.12 GiB.

Total size on disk is 847.24 MiB and total download size is 723.77 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		10252392	4 January 2023 – 05:50:36 UTC

Other

Name	Value
baselanguages	English, Simplified Chinese, Japanese

Phantom Alchemy ~Silvia's Dynamic Urban Planning~

Additional Information

Supported Languages

Tags

Categories

Assets

Depots

Branches

Other