Without sign-in you play anonymously; scores stay on your device. Settings are saved locally.
Hold a controller in each hand — left blade is cyan, right magenta.
Squeeze the GRIP to ignite your blades: slash the robots, strike the glowing
weak points and deflect green lasers. Pull BOTH TRIGGERS to unleash Overdrive.
Duck and lean with your real body to dodge.
RATE THE ALPHA
Tap the stars for each category (optional) and add a note. Thanks for testing PHOTONKATANA!
CHOOSE A NICKNAME
This is the only name shown on the global leaderboard. Your real name and email are never stored.
Please don't use offensive, hateful or otherwise forbidden names — they may be removed and can lead to a ban.
▣ ADD TO YOUR HEADSET
Install PHOTONKATANA on your Meta Quest for fullscreen, faster launch and offline play:
In the Quest browser, tap the ⋯ menu at the top-right of the window.
Choose “Save website as app” (or “Add to Home screen”).
Open it from Apps → your library and launch PHOTONKATANA.
You can keep playing in the browser too — this just makes it nicer.