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Explore the 12 flip-screen chambers of the infernal abyss, gather the 3 soul keys, open the sealed rune gate and defeat Malgrath. Each chamber you enter becomes your checkpoint: if you fall, you return to it with full health.
Controls
Move with the arrow keys or A/D. Jump with Z, Space, W or Up — hold the key for a higher jump. Attack with X (a sword slash in front of you). Press Down+Z to drop through wooden platforms, P to pause and M to toggle sound. On mobile, use the on-screen buttons.
Hazards & enemies
Imps patrol the floors and turn at ledges — two sword hits finish them. Bats fly in waves and take a single hit. Spikes hurt and bounce you; lava is instant death. Enemy contact knocks you back, but you flash invulnerable for a moment after every hit.
Keys, gate & boss
Three golden keys are hidden across the abyss (Ember Gallery, Catacombs and Ascent Well). With all 3, touch the rune gate in the Sealed Gate chamber to open it. Beyond it waits Malgrath: 26 hits, leaping stomps that raise fireballs and aimed fire volleys when enraged below half health.
Tips
Every new chamber is a checkpoint, so push forward bravely. Attack enemies from the edge of your sword's reach. Save hearts for the deeper, colder chambers. Against Malgrath, strike after his leaps and keep moving — the throne room is dark and his fireballs travel fast.
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Underwulde: Facts
FAQ
Is Underwulde free?
Yes — it runs entirely in your browser, no download, no account, no payment.
Does the game save my progress?
Yes. Keys, opened gates and your checkpoint are saved in your browser (localStorage). Press Z on the title screen to continue your run, N for a brand-new game.
Can I play on mobile?
Yes. Touch buttons appear automatically: arrows to move, plus jump, attack and pause buttons. The game targets 60fps on modern phones.
How long is a run?
A first full run usually takes 15–30 minutes. Skilled players can clear the 12 chambers and Malgrath in under 10.
Screenshots
About Underwulde
Cross the 12 flip-screen chambers of the abyss with precise jumps and sword strikes. Dodge demon patrols, bats, spikes and lava, gather the 3 soul keys, open the sealed rune gate and slay Malgrath on his throne.