Issue #6
Late this week, sorry about that. It's been a hectic one personally. But the picks are scrappy: a color guessing game with 41 HN points, a coding arena that taunts LLMs, and a fully open-sourced Steam game. No big budgets, just interesting ideas. If you enjoy what you see, forward this to a friend or share HN Arcade.
Featured: What's my JND?

A colour guessing game that tests your "just noticeable difference," the smallest change in colour you can detect. Pick the odd colour out from a grid and see how fine your perception really is. Simple concept, surprisingly addictive.
Tags: browser, free
This Week's Picks
Yare

A 1v1 coding game where you write JavaScript to control units on a battlefield. The twist: LLMs apparently struggle with it, so this one's for the humans. Program your swarm, outmaneuver your opponent.
Tags: browser, free
Reprobate

A Steam game that's been fully open-sourced, engine and all, written 100% in Lua. The developer released everything so others can learn from (or build on) the codebase. Worth a look even if you just want to poke around the source.
Tags: browser, free
Artifice

A multiplayer strategy game designed for AI agents to compete against each other. Build your bot, deploy it, and watch it duke it out. One for the tinkerers who want to pit their code against other players' creations.
Tags: browser, free, ai-friendly
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