Forem

DEV Challenges

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

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Earth, Not as a line chart. Not as a dashboard. As a living, breathing 120,000-cell map where every pixel is a differential equation

DEV Weekend Challenge: Earth Day

Earth, Not as a line chart. Not as a dashboard. As a living, breathing 120,000-cell map where every pixel is a differential equation

15
Comments
2 min read
A Game for the Mind
Cover image for A Game for the Mind

DEV Weekend Challenge: Earth Day

A Game for the Mind

8
Comments 1
3 min read
PlantChain: Because "Trust Me, I Planted a Tree" Was Never Going to Scale
Cover image for PlantChain: Because "Trust Me, I Planted a Tree" Was Never Going to Scale

DEV Weekend Challenge: Earth Day

PlantChain: Because "Trust Me, I Planted a Tree" Was Never Going to Scale

16
Comments
8 min read
M||D||JS = MorDorJS

April Fools Challenge Submission ☕️🤡

M||D||JS = MorDorJS

20
Comments 5
10 min read
From Zero to Everything: The Story of My First Project
Cover image for From Zero to Everything: The Story of My First Project

WeCoded 2026: Echoes of Experience 💜

From Zero to Everything: The Story of My First Project

5
Comments 1
5 min read
🌍 Earth Day Waste Sorting Challenge - 🏆 Gamified Learning
Cover image for 🌍 Earth Day Waste Sorting Challenge - 🏆 Gamified Learning

DEV Weekend Challenge: Earth Day

🌍 Earth Day Waste Sorting Challenge - 🏆 Gamified Learning

19
Comments 2
11 min read
Energy Leak Scout: Find the Waste. Cut the Bill.

DEV Weekend Challenge: Earth Day

Energy Leak Scout: Find the Waste. Cut the Bill.

8
Comments
3 min read
We didn't ask if we should. We asked how deep the tabs could go

April Fools Challenge Submission ☕️🤡

We didn't ask if we should. We asked how deep the tabs could go

2
Comments
2 min read
🤡 I Built an AI That Gives the Worst Advice Ever (On Purpose)
Cover image for 🤡 I Built an AI That Gives the Worst Advice Ever (On Purpose)

April Fools Challenge Submission ☕️🤡

🤡 I Built an AI That Gives the Worst Advice Ever (On Purpose)

4
Comments 2
2 min read
SqlGo🌱 - Save CO2 by optimizing queries and removing redundant storage

DEV Weekend Challenge: Earth Day

SqlGo🌱 - Save CO2 by optimizing queries and removing redundant storage

12
Comments
3 min read
GreenGate: the agent proposes, the phone decides — building an Auth0 CIBA + Gemini audit for embodied carbon

DEV Weekend Challenge: Earth Day

GreenGate: the agent proposes, the phone decides — building an Auth0 CIBA + Gemini audit for embodied carbon

7
Comments 1
20 min read
OpenClaw Explained: How to Set Up Your Own 24/7 Personal AI Assistant (Beginner Tutorial)
Cover image for OpenClaw Explained: How to Set Up Your Own 24/7 Personal AI Assistant (Beginner Tutorial)

OpenClaw Challenge Submission 🦞

OpenClaw Explained: How to Set Up Your Own 24/7 Personal AI Assistant (Beginner Tutorial)

83
Comments 8
8 min read
I Asked AI to Show Me My Life in 2050 — It Was Terrifying
Cover image for I Asked AI to Show Me My Life in 2050 — It Was Terrifying

DEV Weekend Challenge: Earth Day

I Asked AI to Show Me My Life in 2050 — It Was Terrifying

9
Comments 3
3 min read
# ⚡ EcoScan— See Which Device is Drinking Your Money

DEV Weekend Challenge: Earth Day

# ⚡ EcoScan— See Which Device is Drinking Your Money

8
Comments 3
3 min read
I Built a Creature That Refuses to Do Anything… and It Made Me Rethink Everything
Cover image for I Built a Creature That Refuses to Do Anything… and It Made Me Rethink Everything

April Fools Challenge Submission ☕️🤡

I Built a Creature That Refuses to Do Anything… and It Made Me Rethink Everything

4
Comments
9 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.