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Phantom Alchemy ~Silvia's Dynamic Urban Planning~

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App ID 2074940
App Type Game
Developer
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
0
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.

Steam price history

Current Price $11.99
Lowest Recorded Price $5.99 at -50% 14 March 2024
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $11.99 $11.99 $5.99 $5.99 at -50%
LATAM - U.S. Dollar $4.90 $4.90 -59.13% $2.45 $2.45 at -50%
MENA - U.S. Dollar $4.90 $4.90 -59.13% $2.45 $2.45 at -50%
Russian Ruble 460 ₽ $5.88 -50.94% $2.94 230 ₽ at -50%
Chinese Yuan ¥ 43 $5.99 -49.97% $2.99 ¥ 21.50 at -50%
South Asia - USD $6.19 $6.19 -48.37% $3.09 $3.09 at -50%
Ukrainian Hryvnia 265₴ $6.34 -47.09% $3.16 132₴ at -50%
Kazakhstani Tenge 3400₸ $6.50 -45.71% $3.25 1700₸ at -50%
Vietnamese Dong 170000₫ $6.50 -45.71% $3.25 85000₫ at -50%
South African Rand R 118.00 $6.58 -45.05% $3.29 R 59.00 at -50%
Indonesian Rupiah Rp 106999 $6.59 -45.01% $3.29 Rp 53499 at -50%
Indian Rupee ₹ 570 $6.64 -44.61% $3.32 ₹ 285 at -50%
Brazilian Real R$ 38,49 $6.92 -42.26% $3.46 R$ 19,24 at -50%
CIS - U.S. Dollar $6.99 $6.99 -41.70% $3.49 $3.49 at -50%
Philippine Peso ₱395.00 $6.99 -41.68% $3.49 ₱197.50 at -50%
Chilean Peso CLP$ 6800 $7.10 -40.75% $3.55 CLP$ 3400 at -50%
Saudi Riyal 26.75 SR $7.13 -40.51% $3.56 13.37 SR at -50%
Kuwaiti Dinar 2.25 KD $7.35 -38.63% $3.66 1.12 KD at -50%
Malaysian Ringgit RM32.00 $7.52 -37.24% $3.76 RM16.00 at -50%
Taiwan Dollar NT$ 221 $7.55 -36.97% $3.76 NT$ 110 at -50%
Colombian Peso COL$ 30500 $7.58 -36.76% $3.79 COL$ 15250 at -50%
Peruvian Sol S/.27.50 $7.75 -35.33% $3.87 S/.13.75 at -50%
Mexican Peso Mex$ 145.99 $7.81 -34.83% $3.90 Mex$ 72.99 at -50%
Qatari Riyal 28.99 QR $7.96 -33.59% $3.98 14.49 QR at -50%
Thai Baht ฿259.00 $7.97 -33.49% $3.98 ฿129.50 at -50%
Hong Kong Dollar HK$ 66.00 $8.40 -29.88% $4.20 HK$ 33.00 at -50%
Uruguayan Peso $U369 $9.07 -24.29% $4.52 $U184 at -50%
U.A.E. Dirham 34.00 AED $9.25 -22.79% $4.62 17.00 AED at -50%
Singapore Dollar S$12.00 $9.36 -21.90% $4.68 S$6.00 at -50%
Japanese Yen ¥ 1430 $9.71 -18.98% $4.85 ¥ 715 at -50%
South Korean Won ₩ 13500 $9.78 -18.36% $4.89 ₩ 6750 at -50%
Costa Rican Colon ₡5200 $10.31 -13.99% $5.15 ₡2600 at -50%
New Zealand Dollar NZ$ 17.49 $10.48 -12.55% $5.23 NZ$ 8.74 at -50%
Canadian Dollar CDN$ 15.49 $11.30 -5.73% $5.64 CDN$ 7.74 at -50%
Australian Dollar A$ 17.75 $11.65 -2.82% $5.82 A$ 8.87 at -50%
Israeli New Shekel ₪43.95 $13.17 +9.90% $6.58 ₪21.97 at -50%
Norwegian Krone 134,00 kr $13.21 +10.21% $6.60 67,00 kr at -50%
British Pound £9.99 $13.47 +12.40% $6.73 £4.99 at -50%
Euro 11,79€ $13.75 +14.73% $6.87 5,89€ at -50%
Polish Zloty 54,99zł $15.03 +25.43% $7.51 27,49zł at -50%
Swiss Franc CHF 13.29 $16.67 +39.06% $8.33 CHF 6.64 at -50%
Valve suggested prices are shown on package pages.

Price history

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View lowest recorded prices on Steam store pages by using our browser extension.

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_capsuleen,ja,zh-cn
library_heroen
library_logoen,zh-cn,ja
logo_position ↴
pinned_positionBottomLeft
width_pct100
height_pct100
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 6
review_percentage 79
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_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_01
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-7.0-6
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
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
englishcapsule_231x87.jpg
japanesecapsule_231x87_japanese.jpg
schinesecapsule_231x87_schinese.jpg
header_image
englishheader.jpg
japaneseheader_japanese.jpg
schineseheader_schinese.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image/japaneselibrary_600x900_japanese.jpg
image/schineselibrary_600x900_schinese.jpg
image2x/englishlibrary_600x900_2x.jpg
image2x/japaneselibrary_600x900_japanese_2x.jpg
image2x/schineselibrary_600x900_schinese_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
library_logo ↴
image/englishlogo.png
image/schineselogo_schinese.png
image/japaneselogo_japanese.png
image2x/englishlogo_2x.png
image2x/schineselogo_schinese_2x.png
image2x/japaneselogo_japanese_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct100
logo_position/height_pct100
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
community_icon1bfa8a4ec66d3d146ad7b73c5d39024328ad5906.jpg
page_background_pathapp/2074940
raw_page_backgroundpage_bg_raw.jpg
timestamp3 June 2025 – 06:59:28 UTC
Trailers
256915980 ↴
trailer_namepv
trailer_category0
trailer_480p/video/webm256915980/movie480_vp9.webm
trailer_480p/video/mp4256915980/movie480.mp4
trailer_max/video/webm256915980/movie_max_vp9.webm
trailer_max/video/mp4256915980/movie_max.mp4
microtrailer/video/webm2074940/513330/db027d111f632d6721e8ada097ad0884002dd7fb/1751072125/microtrailer.webm
microtrailer/video/mp42074940/513330/db027d111f632d6721e8ada097ad0884002dd7fb/1751072125/microtrailer.mp4
screenshot_medium256915980/movie.293x165.jpg
screenshot_full256915980/movie_full.jpg
trailer_base_id513330
all_agestrue
is_highlighttrue
timestamp1672480440
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