HACK IN HILLS ’26 | MANALI ️ Not a Marathon. A Mountain Sprint. Hosted by Builder Base × Nexido × Web3 India
UPDATE: REGISTRATIONS EXTENDED + TINYFISH BUILDER CHALLENGE INTRODUCED More time to build. A new challenge to explore. Hack in Hills ’26 registrations and Idea & PPT submissions have been extended by 5 days, until 15 October 2026, 11:59 PM IST. We're also introducing the TinyFish Builder Challenge , an opportunity for builders to explore AI agents, live-web automation and real-world applications using TinyFish.
TinyFish Builder Challenge Form: https://forms.gle/TCW5jukdGB6bnRm19 About Hack in Hills ’26 Hack in Hills ’26 is a 24+ hour offline hackathon in Manali, bringing together developers, designers, AI builders, Web3 developers, creators and innovators to build solutions to real-world problems. The journey starts online with ideas, moves into prototype development and public pitching, and concludes with the Grand Finale in the Himalayas. What to Expect Free registration
Team size: 1–3 members Top 500 teams shortlisted after Round 1 Top 40 finalist builders invited to Manali 24+ hours of offline building Mentors, speakers, judges and ecosystem networking ₹50,000 cash bounty pool AI, Web3, software development and emerging technology TinyFish Builder Challenge
Grand Finale: 20–21 November 2026, Manali
NEW: TinyFish Builder Challenge What if your AI could go beyond answering questions and actually get work done on the web? The TinyFish Builder Challenge invites participants to explore web-connected AI agents and build useful automations, research tools and applications using TinyFish. Participants can explore TinyFish independently or use it within their Hack in Hills projects. How to Participate
Step 1: Get Started with TinyFish Visit https://tinyfish.hackinhills.com and create your TinyFish account. New accounts can access $8 in starting TinyFish credits, subject to TinyFish's terms and eligibility.
Step 2: Connect and Run TinyFish Connect TinyFish with a supported AI assistant or development environment, such as ChatGPT or Claude, and complete your first successful TinyFish run.
Step 3: Complete the Community Tasks Follow
TinyFish on X: https://x.com/Tiny_Fish Follow Hack in
Hills on X: https://x.com/HackInHills Share your TinyFish onboarding or builder experience on X using the campaign instructions provided in the form.
Step 4: Submit the Challenge Form Complete the required onboarding and social tasks and submit your details and requested proof.
Official Form: https://forms.gle/TCW5jukdGB6bnRm19 Build With TinyFish Builders are encouraged to explore practical applications such as: AI agents that interact with websites Automated research and information gathering Intelligent browsing and workflow automation Web-connected assistants AI-powered productivity and developer tools Real-world automation applications The TinyFish Builder Challenge is an additional opportunity. Participation is optional and does not replace the main Hack in Hills Unstop registration or project-submission requirements. Hackathon Stages & Timeline
Venue
Manali
Manali, India
Round 1: Idea & PPT Submission 10 September – 15
October 2026 Mode: Online Submit your hackathon idea using the official PPT template.
Your submission should cover: Problem Statement Proposed Solution Innovation & Uniqueness Target Users & Use Case Technical Architecture / Tech Stack Expected Impact Implementation Roadmap Participants interested in TinyFish may also describe how they plan to use AI agents or web automation in their solution.
Deadline: 15 October 2026, 11:59 PM IST The Top 500 teams will advance to Round 2. Round 1 Shortlisting 16–17 October 2026 Submitted ideas will be evaluated on relevance, innovation, feasibility, expected impact and implementation approach. Shortlisted teams will receive instructions for the next stage.
Round 2A: Prototype Development 18–24
October 2026 Mode: Online The Top 500 shortlisted teams will develop a functional prototype based on their selected problem statement.
Teams should: Build a functional prototype or MVP Demonstrate the core solution Maintain a GitHub repository Show technical feasibility and usability Prepare a short demo video Teams participating in the TinyFish Builder Challenge are encouraged to demonstrate a functional TinyFish-powered use case where relevant.
Round 2B: Social Pitch & Outreach 24–27
October 2026 Mode: Online Shortlisted teams must complete the following: 1. LinkedIn Pitch Publish a LinkedIn post presenting your project idea, proposed solution, and what makes it unique. Tag Eren, Builder Base, Nexido and Web3 India. 2. Instagram Reel Create a short Instagram Reel explaining why your team wants to participate in Hack in Hills ’26, what you are building and what makes your project interesting. Tag Eren.dev, Builder Base, Nexido and Web3 India. 3. Prototype Demo + GitHub Submit a short demo video showcasing your working prototype and your GitHub repository link. All required submission links must be provide