Rune Reactor

Play Rune Reactor unblocked

Play Rune Reactor online for free on Physics Shark. This idle game runs in a normal browser tab, so there's nothing to download and no sign-up, and it works on a school Chromebook, a laptop, a phone or a tablet.

What is Rune Reactor?

Rune Reactor is a spell-building auto-battler where every rune changes your magic. Draft elemental and modifier runes,

combine them into powerful spells, and survive increasingly dangerous enemy waves. Collect gold and Arcane Dust,

discover rare combinations, defeat bosses, and unlock permanent upgrades for future runs.

How to play Rune Reactor

• Select runes to build and improve your spells.
• Your wizard automatically attacks nearby enemies.
• Click dropped gold and Arcane Dust before they disappear.
• Use gold between waves to buy health, runes, and upgrades.
• Combine elemental runes with modifiers to discover new spells.
• Defeat bosses and survive as many waves as possible.
• Spend Arcane Dust on permanent upgrades after a run.
• Use the bonus wheel when it becomes available.

Rune Reactor FAQ

Is Rune Reactor free to play?

Yes. Rune Reactor is free on Physics Shark, with nothing to download and no account to make.

Can I play Rune Reactor unblocked at school?

Rune Reactor runs in a normal browser tab with no install, so it plays on school Chromebooks and laptops, with nothing to install and no account.

Does Rune Reactor work on phones and tablets?

Yes. It works with touch controls on phones and tablets, and with a keyboard and mouse on computers.