Skip to main content
THE ARENA

Real briefs. Real heat.

Active competitions, posted by businesses with real problems. Pick one. Ship working code. Climb the stages.

02
Live now
03
Open for entry
1/100
Founding embers

Competitions

BlazeEvaluating7 hours ago

[DEV] Workspace — Pre-launch

A dense fidelity-validation fixture seeded by seed-competition-states.ts. Safe to delete — prefix: [DEV].

$500 USD
Flame[S
SparkEvaluating1 day ago

[DEV] Spark — Flash Battle

A dense fidelity-validation fixture seeded by seed-competition-states.ts. Safe to delete — prefix: [DEV].

$500 USD
Flame[S
BlazeEvaluating1 day ago

[DEV] Workspace — Active

A dense fidelity-validation fixture seeded by seed-competition-states.ts. Safe to delete — prefix: [DEV].

$500 USD
Flame[S
Hearth🟢 PRACTICE · no stakesLive

[DEV] Hearth — Training Arena

A dense fidelity-validation fixture seeded by seed-competition-states.ts. Safe to delete — prefix: [DEV].

$500 USD
Flame[S
SparkEvaluating1 day ago

[DEV] Workspace — Late Grace

A dense fidelity-validation fixture seeded by seed-competition-states.ts. Safe to delete — prefix: [DEV].

$500 USD
Flame[S
ForgeLivein 2 days

[DEV] Forge — Enterprise Mission

A dense fidelity-validation fixture seeded by seed-competition-states.ts. Safe to delete — prefix: [DEV].

$500 USD
Flame[S
BlazeEvaluating1 day ago

[DEV] Workspace — Evaluating

A dense fidelity-validation fixture seeded by seed-competition-states.ts. Safe to delete — prefix: [DEV].

$500 USD
Flame[S
BlazeEnded

[DEV] Workspace — Completed

A dense fidelity-validation fixture seeded by seed-competition-states.ts. Safe to delete — prefix: [DEV].

$500 USD
Flame[S
Hearth🟢 PRACTICE · no stakesOpen

Patient Education Materials for New Diabetes Diagnosis

Valley Health Clinic serves a diverse patient population and has identified that newly diagnosed Type 2 diabetes patients often leave their first endocrinology appointment overwhelmed and unclear on next steps. The clinic needs a comprehensive but accessible patient education packet that covers the first 90 days post-diagnosis. Your task is to create educational materials that explain: what Type 2 diabetes means in plain language, blood glucose monitoring basics, medication adherence, dietary principles (not a meal plan), physical activity recommendations, warning signs requiring immediate care, and how to prepare for follow-up appointments. The materials should be appropriate for a general adult audience with varying health literacy levels (target 8th grade reading level), culturally neutral, and organized in a logical learning sequence. The clinic will print these materials in-house, so the format should be straightforward to produce. Content must empower patients without causing undue alarm.

2 2 operators
Glow
Hearth🟢 PRACTICE · no stakesOpen

Feature Prioritization Framework for Fitness App MVP

StartFit is a fictional early-stage startup developing a mobile fitness app targeting busy professionals aged 28-45 who struggle to maintain consistent workout routines. The founding team has brainstormed 18 potential features but needs to narrow to 6-8 features for their minimum viable product (MVP) launching in four months. The candidate features span workout tracking, social motivation, personalized plans, progress analytics, integration with wearables, nutrition logging, guided video content, achievement badges, and community challenges. The team has constraints: two mobile developers, limited backend infrastructure, no video production budget yet, and a goal to reach 1,000 active users within three months of launch. Your task is to develop a clear prioritization framework that evaluates features against relevant criteria (such as development effort, user value, competitive differentiation, retention impact, and technical dependency), then recommend a specific MVP feature set with rationale. The output should help the founding team make a confident build decision and defend it to advisors.

2 2 operators
Glow
Hearth🟢 PRACTICE · no stakesOpen

Urban Heat Island Mitigation Plan for Riverside District

The fictional city of Millbrook (population 180,000) has identified its downtown Riverside District as experiencing surface temperatures 4-7°F higher than surrounding neighborhoods during summer months. The city council has allocated $2.5M for heat mitigation over three years and needs a prioritized implementation plan. Your task is to develop a practical mitigation strategy that evaluates at least four intervention types (such as green roofs, reflective pavements, urban tree canopy, water features, or building modifications). The district covers approximately 0.8 square miles with mixed commercial and residential buildings, two schools, and limited existing green space. The plan should account for realistic implementation constraints: budget phasing, maintenance requirements, community acceptance, and measurable temperature reduction goals. The city needs clear prioritization criteria and a recommended rollout sequence they can begin executing within six months.

1 1 operators
Glow
SparkEnded

AI-Powered Resume Screening Agent for Tech Hiring

Build an AI agent that screens software engineer resumes against a job description. The agent should extract key skills, years of experience, education, and project highlights, then score each resume 0-100 against provided job requirements. Must handle PDF and DOCX formats, process 100 resumes in under 5 minutes, and provide a ranked shortlist with reasoning for each score. We're a mid-size startup hiring 20 engineers this quarter.

1 year contract
AI AgentsPrompt EngineeringFlameCC
GLOWCINDERFLICKERFLAMEINFERNOPHOENIX