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Turn-based card duel: on your turn click a face-down card on the attack or defense deck, or take a shamrock lucky draw. Hands that reach thirteen points clear automatically.

THIRTEEN CARD DUEL

JS13K card battle in the browser. Press Play to load about ~40 KB.

Press Play to start.
Inside the frame: click deck cards on your turn (attack left, defense right, shamrock center).

Thirteen Card Duel

Press Play and a compact SVG card duel loads in the tab. Draw attack and defense cards, watch action bars fill, and clear hands that hit thirteen total points before the CPU does.

StepAction
LaunchPlay on this page to inject the iframe
Attack handClick a card on the left attack deck during your turn
Defense handClick a card on the right defense deck during your turn
ShamrockClick the center shamrock deck for a lucky draw when available
ClearWhen a hand totals 13+ points it vanishes automatically

Adapted from romualdk/js13k-2024 (MIT, JS13K 2024). zzfx procedural audio - zero CDN and zero network calls after load.

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Does Thirteen Card Duel save progress?

No. Runs are session-only; there is no localStorage save in the engine.

What is the XIII card?

Card value 13 is the death card. XII is the shamrock lucky card.

How large is the download?

About 40 KB total (HTML, JS, CSS, and SVG icons).