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Sword Art Online: Lost Song
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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28 · quoted reviews as of 2026-10-16.
“It is a simple hack'n'slash game, combat is ok, but boss fights can get boring as they are long and repetitive. Multiplayer is a bit disappointing, because you can only do dungeons or bosses with friends and customisation options for custom characters are limited (like really,…”
— a player, Steam review · 19 hrs played“Sword Art Online: Lost Song is a continuation from the first game, Re: Hollow Fragment. Instead of flying your way up to Yggdrasil like in the Fairy Dance arc, the basic premise of this game is you, (Kirito) and your friends have to complete areas and conquer all of Svart…”
— a player, Steam review · 32 hrs played“This game is advertised as multiplayer coop. BUT: multiplayer is DEAD! You won't find any parties, and you can only do some few quests, you can't accompany in the story mode. I bought the game for me and my daughter to play together, but seems this is kind of useless,…”
— a player, Steam review · 17 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-23.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-23). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
SWORD ART ONLINE Console game series has surpassed 10 million total copies sold!
🎉 Congratulations! The Sword Art Online home console game series has surpassed 10 million total copies sold! 🎉 We would like to express our heartfelt gratitude to all the players who have enjoyed our
SWORD ART ONLINE Fractured Daydream Demo Version Released
The demo for SWORD ART ONLINE Fractured Daydream has been released! https://store.steampowered.com/app/3319640/ Play as select characters from the roster and try the Co-Op Quest and Boss Raid! Challen
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | RPG |
| Player tags | RPG · Anime · Multiplayer · Character Customization · Open World · JRPG · Fantasy · Adventure · MMORPG · Action · Nudity · Singleplayer (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · Co-op · Online Co-op · Steam Achievements · Partial Controller Support |
| Languages | English, Japanese * , French, Italian, German, Spanish - Spain, Simplified Chinese, Traditional Chinese * |
| Achievements | 43 |
| Official site | https://www.bandainamcoent.com/games/sword-art-online-lost-song |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7, 8.1, 10 (64-bit) Processor: Intel Core i3-2100 / AMD A8-5600K Memory: 4 GB RAM Graphics: GeForce GTX 650 / Radeon HD 7770 DirectX: Version 11 Storage: 7 GB available space Sound Card: DirectX compatible soundcard or onboard chipset