Letterphile: one letter, every direction vs One Shot Challenge

A detailed side-by-side comparison of Letterphile: one letter, every direction and One Shot Challenge. See how they stack up in pricing, features, and user ratings.

FeatureLetterphile: one letter, every directionOne Shot Challenge
CategoryProductivityProductivity
PricingFreeFree
DescriptionLetterphile is the word game where a single tile scores every word it completes at once, across, down, and diagonal, in all eight directions. Chain combos solo against the AI, race 2 to 4 players online, or solve 5 daily handpicked puzzles. Free to play, no sign-up.One prompt, one AI model, one shot. Write a single prompt, run it once with any model, and the result is your entry. Six winners take a GTA VI copy (first place a PS5 too), one of them chosen by community vote. Winners showcased at the SIGGRAPH Hack Awards in LA.
Tags
EveryLetterphileLetterDirection
Vibe CodingOne Shot ChallengeAi HackathonOne Prompt Challenge
Websiteletterphile.com1shotchallenge.ai
User RatingNo reviews yetNo reviews yet
Community Votes▲ 0▲ 0
Page Views1 views1 views
AddedJun 25, 2026Jul 14, 2026
Letterphile: one letter, every direction
Letterphile: one letter, every direction
One Shot Challenge
One Shot Challenge

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