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This is the official tag for submissions and announcements related to DEV Challenges.

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Letters to Tomorrow: A June Solstice Game About the Things We Carry Into Tomorrow

June Solstice Game Jam Submission

Letters to Tomorrow: A June Solstice Game About the Things We Carry Into Tomorrow

75
Comments 33
10 min read
Abandoned project came alive | I built and shipped my first SaaS

GitHub “Finish-Up-A-Thon” Challenge Submission

Abandoned project came alive | I built and shipped my first SaaS

1
Comments
2 min read
Yötön Yö (Nightless Night) - a Finnish Midsummer game

June Solstice Game Jam Submission

Yötön Yö (Nightless Night) - a Finnish Midsummer game

1
Comments
2 min read
Congrats to the Hermes Agent Challenge Winners!

AI safety labs and 25-agent simulations

Congrats to the Hermes Agent Challenge Winners!

63
Comments 16
3 min read
I Built an On-Device "Solstice Engine" Using TensorFlow.js to Break Ciphers

June Solstice Game Jam Submission

I Built an On-Device "Solstice Engine" Using TensorFlow.js to Break Ciphers

3
Comments
3 min read
HELIOS — The Longest Day: building computation out of sunlight

June Solstice Game Jam Submission

HELIOS — The Longest Day: building computation out of sunlight

2
Comments
4 min read
Mac Os Website

GitHub “Finish-Up-A-Thon” Challenge Submission

Mac Os Website

Comments
1 min read
Reviving an AI Phishing Detector with Advanced URL Analysis | GitHub Finish-Up-A-Thon

GitHub “Finish-Up-A-Thon” Challenge Submission

Reviving an AI Phishing Detector with Advanced URL Analysis | GitHub Finish-Up-A-Thon

Comments
2 min read
Markio ✨ — A Modern Markdown Editor Rebuilt with GitHub Copilot

GitHub “Finish-Up-A-Thon” Challenge Submission

Markio ✨ — A Modern Markdown Editor Rebuilt with GitHub Copilot

7
Comments
2 min read
The Imitation Mandala

June Solstice Game Jam Submission

The Imitation Mandala

2
Comments
2 min read
From Abandoned Prototype to AI-Powered Google Form Platform

GitHub “Finish-Up-A-Thon” Challenge Submission

From Abandoned Prototype to AI-Powered Google Form Platform

1
Comments
4 min read
Echoes of Solstice: Flipping the Script with a Reverse Turing Test Terminal Game

June Solstice Game Jam Submission

Echoes of Solstice: Flipping the Script with a Reverse Turing Test Terminal Game

4
Comments
3 min read
The true cost of a bug in software: why early detection saves more than you think

The true cost of a bug in software: why early detection saves more than you think

1
Comments
7 min read
I Built Hermes Skill Gardener: An Agent That Notices Repeated Work

Hermes Agent Challenge Submission: Build With Hermes Agent

I Built Hermes Skill Gardener: An Agent That Notices Repeated Work

3
Comments
3 min read
Echo Protocol: A Narrative Puzzle Adventure for the June Solstice Game Jam 2026

June Solstice Game Jam Submission

Echo Protocol: A Narrative Puzzle Adventure for the June Solstice Game Jam 2026

4
Comments
2 min read
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