The Game Census
Sword Art Online: Lost Song cover art

Sword Art Online: Lost Song

Artdink · BANDAI NAMCO Entertainment · 2018-11-12

SteamPlayStation StoreAmazon

RPG

Franchise: Sword Art Online · Modes: Single player, Multiplayer, Co-operative · Perspectives: Third person

Releases: Mar 26, 2015 (PlayStation Vita), Nov 12, 2018 (PC (Microsoft Windows)), Mar 26, 2015 (PlayStation 3), Q4 2015 (PlayStation 4)

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.

5
playing now
80%
positive of 2.0k reviews
Mostly Positive
steam's rating (official)
100,000–200,000
owners (SteamSpy est.)
68/100
critic score (4 outlets, IGDB)
74/100
IGDB user rating (17 ratings)
4.59★
PlayStation Store rating (7,123 ratings)
17h
time to beat (IGDB)
gold
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$19.99
steam price (US)

5 players in-game as of 2026-10-14 15:00 UTC (census sample)

Sword Art Online: Lost Song is a Japanese action role-playing video game for the PlayStation 3, PlayStation Vita, PlayStation 4 and Microsoft Windows based on the Sword Art Online light novel series. It is the third video game in the series and is the successor to the 2014 game Sword Art Online: Hollow Fragment. The game was released worldwide during 2015; it was first released in Japan on March 26, and was later released in the PAL region and North America on November 13 and 17, respectively.

Health check

Quietly active
  • · 5 players in-game at the last census sample.
  • · 46 reviews in the last 8 weeks (~6/week).
  • · Review velocity up 31% vs the prior 8 weeks.
  • · Top 12% of 13,938 RPG games in the census by review count.

Health tier since 2026-08-30

Estimated sales: 51k–121k copies

Review-multiple estimate from 2,023 total reviews — how this is computed.

All-time low: $2.62 at GameBillet (2025-11-21) · bundled 2×via IsThereAnyDeal

12-month high $19.99 · on sale 63 of 102 observed days (census price snapshots)

Review momentum

PositiveNegative
959520182026Week of 2018-11-01: 86 positiveWeek of 2018-11-01: 18 negativeWeek of 2018-12-01: 28 positiveWeek of 2018-12-01: 11 negativeWeek of 2019-01-01: 13 positiveWeek of 2019-01-01: 5 negativeWeek of 2019-02-01: 17 positiveWeek of 2019-02-01: 3 negativeWeek of 2019-03-01: 8 positiveWeek of 2019-04-01: 26 positiveWeek of 2019-04-01: 12 negativeWeek of 2019-05-01: 25 positiveWeek of 2019-05-01: 9 negativeWeek of 2019-06-01: 25 positiveWeek of 2019-06-01: 4 negativeWeek of 2019-07-01: 43 positiveWeek of 2019-07-01: 12 negativeWeek of 2019-08-01: 7 positiveWeek of 2019-08-01: 6 negativeWeek of 2019-09-01: 8 positiveWeek of 2019-09-01: 4 negativeWeek of 2019-10-01: 12 positiveWeek of 2019-11-01: 32 positiveWeek of 2019-11-01: 5 negativeWeek of 2019-12-01: 40 positiveWeek of 2019-12-01: 6 negativeWeek of 2020-01-01: 31 positiveWeek of 2020-01-01: 4 negativeWeek of 2020-02-01: 18 positiveWeek of 2020-02-01: 1 negativeWeek of 2020-03-01: 15 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 16 positiveWeek of 2020-04-01: 7 negativeWeek of 2020-05-01: 95 positiveWeek of 2020-05-01: 24 negativeWeek of 2020-06-01: 71 positiveWeek of 2020-06-01: 11 negativeWeek of 2020-07-01: 72 positiveWeek of 2020-07-01: 9 negativeWeek of 2020-08-01: 23 positiveWeek of 2020-08-01: 4 negativeWeek of 2020-09-01: 17 positiveWeek of 2020-09-01: 2 negativeWeek of 2020-10-01: 34 positiveWeek of 2020-10-01: 8 negativeWeek of 2020-11-01: 24 positiveWeek of 2020-11-01: 4 negativeWeek of 2020-12-01: 25 positiveWeek of 2020-12-01: 4 negativeWeek of 2021-01-01: 32 positiveWeek of 2021-01-01: 5 negativeWeek of 2021-02-01: 15 positiveWeek of 2021-02-01: 4 negativeWeek of 2021-03-01: 7 positiveWeek of 2021-03-01: 1 negativeWeek of 2021-04-01: 9 positiveWeek of 2021-04-01: 4 negativeWeek of 2021-05-01: 31 positiveWeek of 2021-05-01: 9 negativeWeek of 2021-06-01: 27 positiveWeek of 2021-06-01: 9 negativeWeek of 2021-07-01: 15 positiveWeek of 2021-07-01: 5 negativeWeek of 2021-08-01: 11 positiveWeek of 2021-08-01: 2 negativeWeek of 2021-09-01: 29 positiveWeek of 2021-09-01: 4 negativeWeek of 2021-10-01: 12 positiveWeek of 2021-11-01: 17 positiveWeek of 2021-11-01: 4 negativeWeek of 2021-12-01: 29 positiveWeek of 2021-12-01: 5 negativeWeek of 2022-01-01: 24 positiveWeek of 2022-01-01: 4 negativeWeek of 2022-02-01: 11 positiveWeek of 2022-02-01: 2 negativeWeek of 2022-03-01: 10 positiveWeek of 2022-03-01: 4 negativeWeek of 2022-04-01: 19 positiveWeek of 2022-04-01: 17 negativeWeek of 2022-05-01: 25 positiveWeek of 2022-05-01: 9 negativeWeek of 2022-06-01: 17 positiveWeek of 2022-06-01: 9 negativeWeek of 2022-07-01: 13 positiveWeek of 2022-07-01: 3 negativeWeek of 2022-08-01: 8 positiveWeek of 2022-08-01: 5 negativeWeek of 2022-09-01: 17 positiveWeek of 2022-09-01: 4 negativeWeek of 2022-10-01: 13 positiveWeek of 2022-11-01: 19 positiveWeek of 2022-11-01: 2 negativeWeek of 2022-12-01: 18 positiveWeek of 2022-12-01: 4 negativeWeek of 2023-01-01: 24 positiveWeek of 2023-01-01: 6 negativeWeek of 2023-02-01: 6 positiveWeek of 2023-02-01: 4 negativeWeek of 2023-03-01: 15 positiveWeek of 2023-03-01: 5 negativeWeek of 2023-04-01: 11 positiveWeek of 2023-04-01: 4 negativeWeek of 2023-05-01: 10 positiveWeek of 2023-05-01: 4 negativeWeek of 2023-06-01: 6 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 22 positiveWeek of 2023-07-01: 6 negativeWeek of 2023-08-01: 9 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 6 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 8 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 2 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 7 positiveWeek of 2023-12-01: 2 negativeWeek of 2024-01-01: 7 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 4 positiveWeek of 2024-03-01: 9 positiveWeek of 2024-03-01: 3 negativeWeek of 2024-04-01: 10 positiveWeek of 2024-04-01: 4 negativeWeek of 2024-05-01: 2 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 7 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 7 positiveWeek of 2024-07-01: 3 negativeWeek of 2024-08-01: 3 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 6 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 9 positiveWeek of 2024-10-01: 7 negativeWeek of 2024-11-01: 6 positiveWeek of 2024-11-01: 2 negativeWeek of 2024-12-01: 8 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 6 positiveWeek of 2025-02-01: 5 positiveWeek of 2025-03-01: 5 positiveWeek of 2025-03-01: 2 negativeWeek of 2025-04-01: 3 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 3 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 5 positiveWeek of 2025-06-01: 2 negativeWeek of 2025-07-01: 4 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 4 positiveWeek of 2025-09-01: 4 positiveWeek of 2025-09-01: 2 negativeWeek of 2025-10-01: 2 negativeWeek of 2025-11-01: 3 positiveWeek of 2025-12-01: 7 positiveWeek of 2025-12-01: 3 negativeWeek of 2026-01-01: 7 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 2 positiveWeek of 2026-03-01: 4 positiveWeek of 2026-04-01: 4 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 5 positiveWeek of 2026-06-01: 3 positiveWeek of 2026-06-01: 4 negativeWeek of 2026-07-01: 4 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 5 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1622026-09-15 16:00 — 16 players2026-09-17 00:00 — 7 players2026-09-18 07:00 — 10 players2026-09-19 15:00 — 11 players2026-09-20 22:00 — 7 players2026-09-22 06:00 — 5 players2026-09-23 14:00 — 3 players2026-09-24 21:00 — 6 players2026-09-26 05:00 — 2 players2026-09-27 12:00 — 12 players2026-09-28 20:00 — 7 players2026-09-30 03:00 — 7 players2026-10-01 11:00 — 5 players2026-10-02 18:00 — 9 players2026-10-04 02:00 — 7 players2026-10-05 10:00 — 11 players2026-10-06 17:00 — 4 players2026-10-08 01:00 — 3 players2026-10-09 08:00 — 3 players2026-10-10 16:00 — 8 players2026-10-12 00:00 — 4 players2026-10-13 07:00 — 3 players2026-10-14 15:00 — 5 players
Concurrent players, hourly average, last 30 days (census samples).
915Nov 2018Aug 2026Nov 2018 — avg 89 · peak 220Feb 2019 — avg 30 · peak 68May 2019 — avg 58 · peak 283Aug 2019 — avg 26 · peak 69Nov 2019 — avg 21 · peak 60Feb 2020 — avg 23 · peak 61May 2020 — avg 91 · peak 460Aug 2020 — avg 28 · peak 60Nov 2020 — avg 15 · peak 50Feb 2021 — avg 15 · peak 37May 2021 — avg 26 · peak 93Aug 2021 — avg 12 · peak 32Nov 2021 — avg 18 · peak 103Feb 2022 — avg 17 · peak 46May 2022 — avg 21 · peak 90Aug 2022 — avg 11 · peak 24Nov 2022 — avg 20 · peak 62Feb 2023 — avg 14 · peak 34May 2023 — avg 10 · peak 24Aug 2023 — avg 12 · peak 33Nov 2023 — avg 9 · peak 24Feb 2024 — avg 7 · peak 19May 2024 — avg 7 · peak 16Aug 2024 — avg 8 · peak 17Nov 2024 — avg 10 · peak 29Feb 2025 — avg 9 · peak 21May 2025 — avg 7 · peak 21Aug 2025 — avg 8 · peak 21Nov 2025 — avg 5 · peak 12Feb 2026 — avg 5 · peak 13May 2026 — avg 6 · peak 15Aug 2026 — avg 6 · peak 12
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$20.45$2.762018-11-132026-08-212018-11-13 — best price $18.492019-02-04 — best price $14.992019-04-19 — best price $9.992019-08-05 — best price $7.752019-12-03 — best price $19.992020-02-04 — best price $7.722020-04-12 — best price $18.392020-07-13 — best price $4.992020-09-21 — best price $4.502020-12-29 — best price $4.552021-04-21 — best price $4.502021-08-09 — best price $19.992021-11-12 — best price $19.992022-02-24 — best price $19.992022-05-17 — best price $17.462022-08-22 — best price $5.002022-11-24 — best price $5.002023-02-03 — best price $18.992023-05-05 — best price $3.992023-07-24 — best price $4.992023-09-28 — best price $17.992023-12-11 — best price $4.502024-02-28 — best price $16.592024-05-06 — best price $4.992024-07-11 — best price $17.992024-09-17 — best price $4.802024-11-21 — best price $4.992025-01-27 — best price $4.992025-05-07 — best price $19.992025-07-26 — best price $17.202025-10-23 — best price $4.992026-01-06 — best price $16.572026-03-23 — best price $17.202026-06-06 — best price $17.992026-08-21 — best price $4.47
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

75122026-05-31 — 33 pageviews2026-06-04 — 20 pageviews2026-06-08 — 21 pageviews2026-06-12 — 40 pageviews2026-06-16 — 72 pageviews2026-06-20 — 40 pageviews2026-06-24 — 28 pageviews2026-06-28 — 68 pageviews2026-07-02 — 46 pageviews2026-07-06 — 35 pageviews2026-07-10 — 75 pageviews2026-07-14 — 47 pageviews2026-07-18 — 64 pageviews2026-07-22 — 35 pageviews2026-07-26 — 29 pageviews2026-07-30 — 32 pageviews2026-08-03 — 32 pageviews2026-08-07 — 20 pageviews2026-08-11 — 17 pageviews2026-08-15 — 26 pageviews2026-08-19 — 22 pageviews2026-08-23 — 24 pageviews2026-08-27 — 28 pageviews2026-08-31 — 17 pageviews2026-09-04 — 40 pageviews2026-09-08 — 26 pageviews2026-09-12 — 35 pageviews2026-09-16 — 24 pageviews2026-09-20 — 12 pageviews2026-09-24 — 13 pageviews2026-09-28 — 29 pageviews2026-10-02 — 21 pageviews2026-10-06 — 22 pageviews2026-10-10 — 23 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

43
achievements tracked
84.4%
earned "Welcome to ALfheim Online!"
10.9%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerMulti-playerPvPOnline PvPCo-opOnline Co-opSteam AchievementsPartial Controller SupportSteam CloudFamily Sharing

7 supported languages: English, Japanese, French, Italian, German, Spanish - Spain, Simplified Chinese

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
PS4, PS3, PS Vita (PlayStation)17,75019%43
Steam (Steam)2,0698%43

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

RPGJRPGAnimeCo-opActionMMORPGNudityFantasyAdventureAction RPG

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

Forgotton AnneLEGRAND LEGACY: Tale of the FateboundsShadows: AwakeningEternity: The Last UnicornGOD EATER 3Torchlight III

Similarity via IGDB.

Official site ↗Wikipedia ↗