Alderun

Play Alderun unblocked

Alderun is a multiplayer tower defense game you can play unblocked right here on Physics Shark. It runs in your browser with no download, no install and no account, so you can play it on a school Chromebook, a laptop, a phone or a tablet.

What is Alderun?

Alderun blends real-time strategy with hero RPG combat. Choose a hero, learn powerful skills, gather equipment and lead your allies through fantasy battles.

Defend castles against waves of enemies, fight arena duels, capture strategic objectives and clash with rival armies. Each map brings different goals and tactical choices. Play solo against the AI or join online battles with friends.

How to play Alderun

Start with the guided practice, or choose New Game, select a map and mode, and pick your hero. Read the map briefing: your goal may be to defend a castle, capture objectives or defeat the enemy team. Defeat enemies to earn experience and gold, learn skills, buy equipment and support your allies.

Desktop: left-click to select a hero or unit; drag to select a group. Right-click the battlefield to move, attack or interact. Use the on-screen ability buttons or their displayed keyboard shortcuts. Scroll the mouse wheel to zoom. Hold Space to follow your hero. Press Esc to cancel an action, close a window or open the game menu.

Touch: tap to select units and issue orders. Tap an ability, then its target when needed. Drag the battlefield to move the camera and pinch to zoom. Use the on-screen menus for skills, equipment and options.

For online play, choose Multiplayer and join or create a battle.

Alderun FAQ

Is Alderun free to play?

Yes. Alderun is free on Physics Shark, with nothing to download and no account to make. The game has optional in-game purchases, but you never need them to play.

Can I play Alderun unblocked at school?

Alderun 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 Alderun work on phones and tablets?

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