Saif Chowdhury (12911games)

Dhaka, Dhaka Division, Bangladesh

Kiroween 2026

Featured

Online

Build something wicked and git commit to the darkness.

$100,000 in prizes
Submissions open soon
927 participants

Build, Ship, Shape: Amazon Developer Hackathon

Online

Build across Amazon Devices and shape what's next.

$138,000 in prizes
Oct 23, 2026 03:00 PM EDT to submit
63675 participants

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46674 participants

H0: Hack the Zero Stack with Vercel v0 and AWS Databases

Online

Front-end in minutes. Back-end designed for scale.

$80,000 in prizes
Winners announced
9715 participants

DigitalOcean Gradient™ AI Hackathon

Online

Build smarter. Ship faster. Power the next wave of AI.

$20,000 in prizes
Winners announced
2592 participants

Amazon Nova AI Hackathon

Online

Build your way with Amazon Nova

$40,000 in prizes
Winners announced
13410 participants

Gemini 3 Hackathon

Online

Build what's next

$100,000 in prizes
Winners announced
35508 participants

The AI Champion Ship

Online

Vibe. Code. Ship.

$36,500 in prizes
Winners announced
2930 participants

Kiroween

Online

Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode

$100,000 in prizes
Winners announced
4967 participants

World’s Largest Hackathon presented by Bolt

Online

Build with AI for a shot at some of the $1M+ in prizes.

$1,037,500 in prizes
Winners announced
129573 participants