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Sword Art Online: Lost Song

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App ID 840720
App Type Game
Developer
Publisher BANDAI NAMCO Entertainment
Franchise Sword Art Online: Lost Song
Supported Systems Windows
Last Changenumber 29908586
Last Record Update 5 July 2025 – 07:44:03 UTC ()
Release Date 12 November 2018 – 23:00:43 UTC ()
😏 76.71%
1k reviews
5
In-Game
🎲 RPG 🌸 Anime 🦹 Character Customization 🌍 Open World 🌸 JRPG

Enter the VRMMO world of the much-loved anime SWORD ART ONLINE! In Alfheim Online, a world of fairies and magic, you become the hero of the series, Kirito, and together with your wondrous friends try to conquer the floating land of Svart Alfheim.

Additional Information

Developer Artdink
metacritic_name Sword Art Online: Lost Song
controller_support partial
community_visible_stats Yes
ReleaseState released
Publisher BANDAI NAMCO Entertainment
eulas
0 ↴
id840720_eula_0
nameSword Art Online: Lost Song EULA
urlhttps://store.steampowered.com//eula/840720_eula_0
Store Release Date 12 November 2018 – 23:01:14 UTC ()
osarch 64
community_hub_visible Yes
Primary Genre RPG (3)
Store Genres RPG (3)
Steam Release Date 12 November 2018 – 23:00:43 UTC ()
Store Asset Modification Time 24 October 2018 – 22:36:36 UTC () (1540420596)
review_score 6
review_percentage 79
Detected Technologies (?) CRIWARE SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • 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: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 6 April 2022 – 00:00:00 UTC
  • tested_build_id: 3383128
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_01
    non_deck_display_glyphs1
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-stable
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
First seen on SteamDB 3 April 2018 – 18:57:57 UTC (), in changelist #4263859

Supported Languages

8 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes
Japanese Yes Yes Yes Yes
French Yes Yes Yes
Italian Yes Yes Yes
German Yes Yes Yes
Spanish - Spain Yes Yes Yes
Simplified Chinese Yes Yes Yes
Traditional Chinese Yes Yes Yes

Tags

🎲 RPG 🌸 Anime 🕹️ Multiplayer 🦹 Character Customization 🌍 Open World 🌸 JRPG 🎭 Fantasy 🗺️ Adventure 🏪 MMORPG 💥 Action 🍑 Nudity 👤 Singleplayer 🤝 Co-op 🛡️ Hack and Slash 💥 Action RPG 📚 Story Rich

Categories

Single-player Online PvP Online Co-op Steam Achievements Steam Cloud Family Sharing Multi-player PvP Co-op

Hardware Categories

Partial Controller Support

Assets

Load all asset images
clienticon 8a57ce583a6ccb976ecb15d972a74b3982d03c57
clienttga 477f5efaaf6aac509dc4b0a99808f1639b774183
icon a98a3cc1e46a628d44ff9babc061d966ed604b36
logo 0d5248f22f4a5bbeada5dcc10619625155eb06cc
logo_small 0d5248f22f4a5bbeada5dcc10619625155eb06cc_thumb
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
store_screenshot ss_b43b6237237510db015f27fe30d3f26dc768d6de.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
library_capsuleportrait.png
community_icona98a3cc1e46a628d44ff9babc061d966ed604b36.jpg
page_background_pathapp/840720
raw_page_backgroundpage_bg_raw.jpg
timestamp24 June 2025 – 16:25:45 UTC
Trailers
192169 ↴
trailer_nameSAOLS_Steam_Trailer_ESRB
trailer_category0
trailer_480p/video/webm256733221/movie480.webm
trailer_480p/video/mp4256733221/movie480.mp4
trailer_max/video/webm256733221/movie_max.webm
trailer_max/video/mp4256733221/movie_max.mp4
microtrailer/video/webm840720/192169/2c9a30c379d9460100e3b88cc28622e5d70fc79f/1751151187/microtrailer.webm
microtrailer/video/mp4840720/192169/2c9a30c379d9460100e3b88cc28622e5d70fc79f/1751151187/microtrailer.mp4
adaptive_trailers/0/cdn_path840720/192169/2c9a30c379d9460100e3b88cc28622e5d70fc79f/1751151187/dash_av1.mpd
adaptive_trailers/0/encodingdash_av1
adaptive_trailers/1/cdn_path840720/192169/2c9a30c379d9460100e3b88cc28622e5d70fc79f/1751151187/dash_h264.mpd
adaptive_trailers/1/encodingdash_h264
adaptive_trailers/2/cdn_path840720/192169/2c9a30c379d9460100e3b88cc28622e5d70fc79f/1751151187/hls_264_master.m3u8
adaptive_trailers/2/encodinghls_h264
screenshot_medium256733221/movie.293x165.jpg
screenshot_full256733221/movie_full.jpg
all_agestrue
is_highlighttrue
timestamp1542063651

Depots

ID Configuration Size DL.
228987 Windows Shared InstallDepot from 228980VC 2017 Redist No size
840721 Windows 64-bitTsukemono Content 5.77 GiB 5.41 GiB

Total size on disk is 5.77 GiB and total download size is 5.41 GiB.

 

Branches

Name Description Build ID Time Updated
public 3383128 24 December 2018 – 23:00:19 UTC

Other

Name Value
baselanguages English, German, French, Italian, Spanish - Spain, Simplified Chinese, Traditional Chinese, Japanese
privatebranches 1
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