October 16, 2025

Top Upcoming International Hackathons in October 2025

Have you ever wanted to compete on a global stage and collaborate with innovators from around the world? International hackathons give you that opportunity to turn ideas into impactful projects.

These global events bring together developers, designers, and problem solvers to tackle real-world challenges using technology, creativity, and teamwork. They also provide access to mentors, workshops, and international exposure that help participants grow beyond just coding.

In this article, we have listed some of the best international hackathons happening in October 2025, where you can learn, network, and showcase your skills to a worldwide audience.

Overview of Upcoming Global Hackathons

Here’s an overview of the top international hackathons:

S.No.	Hackathon	Registration Deadline	First Prize	Registration Link
1	Google Chrome Built-in AI Challenge 2025	November 1, 2025	$70,000	Register here
2	AWS AI Agent Global Hackathon	October 20, 2025	$45,000	Register here
3	AI Accelerate: Unlocking New Frontiers	October 24, 2025	$50,000	Register here
4	Chroma Awards: AI Film, Music Videos, and Games	November 18, 2025	$176,500	Register here
5	Meta Horizon Creator Competition: Mobile Genre Showdown – Reloaded	October 31, 2025	$2,500,000	Register here
6	Rift Rewind Hackathon	November 10, 2025	$26,000	Register here
7	Starknet Re{Solve} Hackathon	October 25, 2025	$43,500	Register here
8	Build Resilient Apps with Polkadot Cloud	November 17, 2025	$40,000	Register here
9	Cloud Run Hackathon	November 10, 2025	$50,000	Register here
10	Youth Coders Hack 2025	October 26, 2025	$850	Register here

Top Upcoming International Hackathons in October 2025

International hackathons offer the perfect stage to innovate, collaborate, and grow your skills. Here are the top hackathons upcoming in October 2025 and beyond, along with their key details, prizes, and registration information.

1. Google Chrome Built-in AI Challenge 2025

This hackathon encourages developers to explore AI features integrated into Google Chrome and build innovative web-based solutions. It focuses on creating smarter, faster, and safer browsing experiences through AI.

2. AWS AI Agent Global Hackathon

A global challenge by AWS to design and deploy intelligent AI agents that automate enterprise processes. It focuses on solving real-world business and DevOps problems with AI-driven tools.

3. AI Accelerate: Unlocking New Frontiers

Hosted by Google, this hackathon invites innovators to create AI solutions that redefine data management and accelerate breakthroughs in open-ended research and automation.

4. Chroma Awards: AI Film, Music Videos, and Games

This creative hackathon by ElevenLabs challenges participants to blend AI with art, film, and gaming to create unique multimedia experiences that push the boundaries of storytelling.

5. Meta Horizon Creator Competition: Mobile Genre Showdown – Reloaded

An immersive hackathon hosted by Meta to encourage developers to build innovative mobile and AR/VR experiences within the Horizon ecosystem using advanced AI and 3D tools.

6. Rift Rewind Hackathon

Organized by Amazon, this event encourages participants to design AI-driven gaming systems or immersive tools that enhance player experience using databases and predictive analytics.

7. Starknet Re{Solve} Hackathon

This blockchain-based competition by Starknet Foundation invites participants to build fintech and web solutions powered by decentralized technology and AI for scalable real-world use cases.

8. Build Resilient Apps with Polkadot Cloud

Polkadot’s hackathon encourages developers to create resilient, cloud-based applications using Web3 and blockchain technologies. It is ideal for beginners exploring decentralized app development.

9. Cloud Run Hackathon

This Google event focuses on building cloud-native applications that integrate AI, automation, and low-code development using Cloud Run. It promotes practical innovation in cloud ecosystems.

10. Youth Coders Hack 2025

A beginner-friendly hackathon that motivates students to use coding for social good. Participants develop educational or social impact projects under expert mentorship and community guidance.

Final Words

International hackathons open doors to global collaboration, learning, and innovation. Participating in these events helps you gain experience, build connections, and showcase your skills to the world.

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Frequently Asked Questions

1. What are the top upcoming international hackathons to look out for?

The top upcoming international hackathons include events by Google, AWS, Meta, and Polkadot, offering global exposure, mentorship, and impressive rewards for innovative tech projects.

2. How can I find details about upcoming international hackathons?

You can find details about upcoming international hackathons on official websites, as well as on platforms like Unstop, Devpost, and Devfolio, and on the company pages of global tech leaders such as Google or AWS.

3. Who can participate in international hackathons?

International hackathons are open to students, developers, and innovators worldwide who want to collaborate, learn, and build impactful technology-driven projects.

4. How do I register for international hackathons?

You can register for international hackathons online by visiting the event’s official page, filling out the registration form, and submitting your project idea or proposal.

5. How can I prepare for an international hackathon?

To prepare for an international hackathon, review the problem statements, practice teamwork, study key technologies, and focus on creating a working prototype.

6. What are the benefits of participating in international hackathons?

Participating in international hackathons helps you enhance your skills, network globally, gain mentorship, and explore potential career or startup opportunities.