Build hyperscale Mini Apps on World: the real human network

World Build 2 assembles top developer and founder talent to rapidly ideate, prototype, and bring breakthrough mini apps to the real human network, World.

Bold builders and creative technologists ready to launch the next breakout Mini Apps on World App should apply. Here’s why: 

✅ Leverage instant distribution to World App’s 30M+ users
✅ Up to $200K in grant awards from World Foundation
✅ Fully funded trips to Buenos Aires & San Francisco

Applications open through September 24, 2025. 

What is World Build?

World Build is an immersive incubator program for bold founders to build breakthrough applications for World App’s 30M+ global users. The program opens with a hybrid hackathon, followed by a week-long build retreat in Buenos Aires and ongoing virtual cohort programming.  

Builders get hands-on support from World’s ecosystem and product teams, and mentorship sessions from domain experts and seasoned entrepreneurs. The cohort culminates with a live Demo Day in San Francisco to a curated audience of top tier VCs. Successful projects are eligible for grant funding from World Foundation. The timeline:

Stage 1: Sept Hack – apply now through Sept 24. Hack IRL in SF, online everywhere.
Stage 2 & 3: Oct-Nov Build – fully funded trip to Buenos Aires for hackathon winners & top projects + ongoing virtual programming. 
Stage 4: Dec Demo – fully funded trip to SF for Demo Day.  

Stage 1: the World Build 2 Hybrid Hackathon

World Build 2 opens with a hybrid IRL » remote hackathon. Hack virtually or in person at our kick-off event in San Francisco. Up to $5,000 in prizes and top teams advance to Stage 2. Apply as an individual or a team.

Applications open through September 24, 2025. 

World Build 1 By the Numbers

Top builders joined us for World Build 1, from Feb-May 2025, 12 top teams in World Build 1 unlocked: 

🔓 > $300k in grant awards
🔓 $11M in venture funding
🔓 > 600k DAUs across apps in under 6 months

Upcoming WB2 Events

X Live w/ World & FWB

Friday, September 5 at 10 PT / 1 ET on X Join World and FWB for rapid fire pitch on why you should apply to World Build 2. Get your mini app in front of 30M+ global users and much more.

FWB member exclusive: World Build AMA

Tuesday, September 9 at 11 PT / 2 ET on Discord Join Head of Ecosystem for World, Leighton Cusack, for an FWB member exclusive AMA. RSVP in Discord.

Vibe Coding Workshop

Thursday, September 18 from 12-2 PM / 3-5 ET on Zoom Join FWB Members Sean Thielen-Esparza (WB1 Mentor) & Will Mercer (World Build Lead) for a virtual vibe coding workshop. Registration to follow!

Hybrid Hackathon: Remote & IRL in SF

Thursday, September 25-28 remote & IRL in SF. Hack virtually or in person at our kick-off event in San Francisco. Up to $5,000 in prizes and top teams advance to Stage 2. Apply to hack.

World Build is a joint program between World & FWB

World Build is a joint program between World and FWB to build the next generation of breakout Mini Apps for World App’s 30M+ users. With generous support from Alchemy, Bain Capital Crypto, Blockchain Builders Fund, Blockchain Capital, Circle, Coinfund, Crecimiento, Dragonfly, Hashed VC, Nascent, Ohara, Privy, Uniswap, Variant, Volt.