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Hi-Lo

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About

Hi-Lo is a browser card game: a card is shown and you guess whether the next one is higher or lower. Correct guesses build a streak; your best streak is saved in your browser. It runs entirely client-side off a locally shuffled 52-card deck — no account, no server.

How it works

A standard 52-card deck is shuffled in the browser with a Fisher–Yates shuffle — no cards API, no network, so a draw is instant and works offline.

Each card has a comparable value with the Ace high (2–10, then J, Q, K, A). A guess reveals the next card and compares values: match your guess and the streak grows; miss and it resets to zero. An exact tie is a push — it neither breaks nor extends the streak.

Your best streak is stored in localStorage under kaspirius:hilo:best, so it survives reloads on this device without any account. The full source is under the Code tab.

Metadata
title
Hi-Lo
description
A browser Hi-Lo card game — guess if the next card is higher or lower and build a streak. Local shuffle, best streak saved in localStorage, no backend.
canonical
https://kaspirius.com/hi-lo
updated
Last updated
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TechArticle

Same as Article, flagged as technical/developer reference material.

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  "datePublished": "2026-06-18",
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    "name": "kaspirius",
    "url": "https://kaspirius.com"
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