Alchemist's Shop: Rune Defense

Reviewed by our games team · Updated July 3, 2026

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Alchemist's Shop: Rune Defense is a free 2D tower defense game you play in the browser. You guard the alchemist's mannequin from waves of monsters that pour through the dungeon, and your job is to line the path with rune towers and keep potions flowing before the health bar runs out.

Between waves you slow down, pick an upgrade, and decide what to build next. The pressure comes in bursts: a wave hits, you scramble to hold, then you get a breath to plan the next one. It runs on desktop and mobile with no download and no account.

Alchemist's Shop: Rune Defense game details

What is Alchemist's Shop: Rune Defense?

It is a horde survival tower defense game set in a series of dungeons. Monsters march toward the alchemist's mannequin along a set route, and you stop them by placing rune towers that fire as they pass. Potions give you extra effects on top of the towers, and every wave you clear lets you choose a powerful upgrade. Clear a dungeon, take on contracts, unlock talents, and the next dungeon throws tougher enemies at you.

Controls and placing towers

This one plays with the mouse and a few number keys. Placement is where most of your attention goes, so aim your towers at chokepoints where monsters bunch up.

Brewing and using potions

Potions sit in four slots and you trigger them with the 1 to 4 keys. They are your active tools when a wave is breaking through and the towers alone are not holding. Read what each slot does before a hard wave so you are not fumbling for the right one mid-fight.

Rune towers, potions, and wave upgrades

Your defense is built from three layers that work together. Towers do the steady damage, potions handle emergencies, and the upgrade picked after each wave shapes how the run develops.

Dungeons, contracts, and pushing deeper

You do not play one endless map. Each dungeon is its own gauntlet of waves, and finishing it moves you toward the next one where the monsters are harder to hold. Contracts give you goals to complete along the way, and clearing them plus unlocking talents is how you get strong enough to survive the deeper runs. Progress is about building a defense that holds a little longer each time.

Is it free and can I play it unblocked?

Yes. It is free and runs entirely in the browser, so there is nothing to install and no sign up. Because it is a browser game, it will load at school or work anywhere browser games are allowed, and it works the same on a phone, tablet, or Chromebook as it does on desktop.

Tips for surviving more waves

• Place towers at bends and chokepoints where monsters cluster, so each shot hits more of them.
• Save your potions for the moment a wave starts leaking through, not the opening seconds.
• Read the upgrade cards before you pick. One that fits your current towers beats a flashier one that does not.
• Spend the gap between waves building and repositioning, not idling. That planning window is when runs are won.
• Complete contracts and unlock talents so your baseline is stronger before you push into a tougher dungeon.

Why the wave loop keeps you playing

The rhythm is the draw. A wave is loud and messy, then it clears and you get a quiet moment to choose an upgrade and rebuild. That swing between panic and planning makes each wave feel like a small decision rather than a grind, and pushing one dungeon deeper always feels like it is within reach.

Alchemist's Shop: Rune Defense FAQ