SAO Integral Factor is a free role-playing game from Bandai Namco Entertainment Inc. You play as a member of an Assault Team, working with other trapped players and your partner Koharu to reach the 100th floor of Aincrad. It carries a Teen rating, shows no ads, includes random-item purchases, and needs Android 7.0 or later.
First steps: meet Koharu and join an Assault Team
You start as a new member of an Assault Team, one of the imprisoned players trying to reach the 100th floor of Aincrad. You are the protagonist here, not Kirito or Asuna, though familiar characters appear along the way.
Your partner is Koharu, and the two of you fight across the fields of Aincrad. Before spending anything, check the in-app purchase note: the game includes random-item purchases, and Google Play lets you disable in-app purchases in your device settings.
A what-if story set beside the original SAO plot
The main draw is the story. It connects to the original SAO events from your own point of view and adds behind-the-scenes episodes the original did not show. Some developments differ completely, so the game treats Aincrad as a place where your choices change outcomes.
Combat leans on cooperation. You team up with Assault Teams to beat strong monsters and finish hard quests. Forging stronger weapons, using skills with varied effects, and learning each enemy's weak points and attack patterns all matter for progress. The game has no ads and 8 screenshots on its listing.
Who should pick Yu-Gi-Oh! Duel Links or ONE PIECE instead
If you want a card battler rather than an action RPG built on one story, Yu-Gi-Oh! Duel Links is an alternative. Players who prefer a different anime franchise can look at ONE PIECE Bounty Rush or ONE PIECE TREASURE CRUISE-RPG.
Also consider an alternative if you dislike subscriptions. Boost Mode renews monthly.
What's new in 3.2.4
Version 3.2.4 is the current release, last updated on October 27, 2026.
SAO Integral Factor pros and cons
Pros
- Original story with you as the protagonist, alongside Kirito and Asuna
- Partner system with Koharu and team-based quests
- No ads
- Free to install, with a 4.5 Google Play rating
- Updated on October 27, 2026
Cons
- Includes random-item purchases
- Boost Mode is a monthly subscription that renews automatically
- Deleting the app does not cancel the subscription
- Rated Teen
Is SAO Integral Factor safe?
The publisher is Bandai Namco Entertainment Inc., and Google Play is where you install the game. The game has no ads, but it includes in-app purchases, including random-item purchases, so spending is the thing to watch. Subscriptions can be managed from the Google Play Store menu under Subscriptions, where you select SWORD ART ONLINE: Integral Factor and press Cancel Subscription.
How to install SAO Integral Factor
- Press the Google Play button on this page.
- Check the listing in the Play Store and press Install.
- Open SAO Integral Factor when the install finishes. Updates arrive through Google Play.
