PROGRAMMING
In this challenge, you will develop an AI assistant that connects user questions to the right maps and datasets from the Canton of Lucerne. Expect to explore real geodata, retrieval-augmented generation (RAG), and creative chatbot ideas.








A heartfelt thank you to all the participants, mentors, sponsors, and volunteers who made HackSTAIR 2025 an unforgettable experience. Your passion, dedication, and innovative spirit created something truly special. We're grateful for your support and can't wait to see what you'll build next!
SPONSORED BY
In this challenge, you will develop an AI assistant that connects user questions to the right maps and datasets from the Canton of Lucerne. Expect to explore real geodata, retrieval-augmented generation (RAG), and creative chatbot ideas.
Push your limits & test your skills! In our Jeopardy-style CTF, you choose the challenges. Compete against other students, show what you can do and gain practical experience. The CTF will include challenges of varying degrees of difficulty.
Create your own games — design and develop interactive games from concept to prototype, according to this year's theme: 'Leave something behind'.
STAIR is the student association for computer science at Hochschule Lucerne. We organize events, workshops, and networking opportunities for students interested in technology and innovation. Our community brings together passionate individuals to learn, collaborate, and build the future of computing.
HackSTAIR is our flagship hackathon event, bringing together students from HSLU and beyond to tackle real-world challenges through innovative technology solutions. Join us for an exciting weekend of coding, creativity, and collaboration.
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