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. Soar freely through its skies and take down all powerful enemies who dare appear before you!
Experience fast-paced battles in the air and on the ground, and seamless action sequences in a game that makes you feel freer than ever before! Choose your skills and how you want to evolve; it's all up to you! And remember: the more you grow, the more epic the battles!
Seven, Rain, and Sumeragi from "Lost Song" join the anime regulars in a brand new story!
Sound card: DirectX compatible soundcard or onboard chipset
windows Recommended
OS: Windows 7, 8.1, 10 (64-bit)
Processor: Intel Core i5-4460 / Ryzen 3 2200G
Memory: 8 GB RAM
Graphics: GeForce GTX 670 / Radeon R9 280X
Storage: 7 GB available space
Directx: Version 11
Sound card: DirectX compatible soundcard or onboard chipset
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-04-21
From Wishlist to Courtroom: The Steam Lawsuits Explained
There have been numerous Steam court case lawsuits throughout the years and ever since the start of the year they have made the pile even bigger! We decided to check out some of the latest accusations against the popular gaming platform as well as go through some of the previous cases that caused a stir of Valve legal issues in the past! Gabe Newell and Valve have definitely not been strangers to the court system…
As you probably know, in a huge variety of game titles there are usually a lot of mainline task objectives, but very often there are multiple side quests that would advance you further in the gameplay. This is exactly why we decided to run a Side Quest promotion on our YUPLAY site. In order to participate in it you have to make an order over 20€ between 17.04.2026 18:10 CET and 20.04.2026 02:00 CET, and you will get a 1€ voucher for next purchase…
This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
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
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