BUILD FAST. SURVIVE. GET FUNDED.
5 builders under 25. One house. 3 months of pure execution. Ship AI products with real mentors.
Survive 100 Days To Receive 100k Investment
The Ultimate Prize
€100K
Investment into your startup
Winners receive up to €100,000 investment to accelerate their company's growth and market expansion.
Ingredients to support your 3-months ride
€1k
Monthly Scholarship
Live, focus, and build without distractions. No side gigs, no rent stress.
€5k
Operational Balance
Run marketing campaigns, buy subscriptions - anything you need to get going faster.
3+
Attempts
Fail fast. Learn. Try again. Idea didn’t work? Jump to the next one.
"This is not a startup incubator. This is a pressure cooker - hustle, cook money, build your company."
So what's this program about?
It is a 3-month battlefield for future founders. Forget lectures. Forget theory. This is hands-on company-building at full speed.

Program Timeline
Applications: until 3 November
Start: November 2025 (Vilnius, Belgrade), December 2025 (Cluj-Napoca)
End: February 2026
Business ideas
AI products. Preferably B2C focus. Think WOMBO, Cal AI, Cluely or Mematic.
Agenda
  • Find a business idea and build first MVP (7-days max).
  • Work on a go-to-market strategy, pivot, iterate, earn first dollars.
  • Weekly feedback loops - instantly know where you are at.
  • Monthly pitch sessions with investors to get a green light or elimination.
Commitment
Min 20–40 hours/week (more if you are ready to give your best shot).

Arena locations:
Vilnius
Lithuania
Belgrade
Serbia
Cluj-Napoca
Romania
Lost Astronaut,
Trakų 8A, Vilnius
Startit,
Savska 5, Beograd
Cluj Startups
13 Septembrie, Cluj-Napoca

This program is build and sponsored by Venture Builder and Investment company Lost Astronaut.
Why should you join?
There are so many different hackathons, incubators, founder programs out there. Why join us?
Mentors & Investor Network
Access to experienced founders and industry experts who can help you solve your startup headaches in hours not months.
Profit oriented
We have built multiple profitable startups ourselves. We like speed & positive cashflow. Happy to show you how it's done.
Co-working space (aka house)
Get exclusive access to the house where you will work with your peers. The group, the vibe, the hustle in one room will keep you moving.
Multiple attempts
The freedom to fail fast and try again. No stigma, just learning and growth until you find product‑market fit.
Investors and Mentors
There will be bunch of mentors available during the program, meet a few of them:
Tadas
Burgaila
Tadas always dreamed big – built world‘s No. 2 wallpaper website when he was only 16. He is a co-Founder of 40+ startups and investor of 100+ startups. He believes in people and wants to help young entrepreneurs to succeed.
Deividas
Tokaris
Deividas is a paid media guru. He is a Co-founder of Creative Meta Ads Agency "Triple Scale". He helps clients to acquire customers with aggressive media buying campaigns, creative generation and funnel strategies.
Mihai
Nas
A former performance athlete who came close to qualifying for the Rio Olympics, now deeply passionate about entrepreneurship, innovation, and building meaningful communities. Running the startups community in Cluj-Napoca.
Vukasin
Stojkov
Vukasin been a tech community leader in Serbia for the past 15 years, helping entrepreneurs and startups grow. This summer he launched an incredible "Hot AI summer" programme which helped to build not one AI startup in the region.
One Shot vs. Many Shots
Typical Founder
  • 1 startup attempt
  • Years of grinding (4.3 yrs on average)
  • ~10% chance of success
  • If it fails, career setback
BaseJump Founder
  • 3+ startup attempts
  • Rapid iteration cycles
  • 40-60% chance of success
  • Each failure builds toward success
At Base Jump Arena, we believe in the power of iterative learning and multiple attempts. It's not about avoiding failure, but embracing it as a crucial part of your growth as a founder.
This is your moment!
Who We're Looking For?
Under 25 Years Old
This is the age to take risks, chase dreams, and build big.
Ready to build
If you can launch an MVP in 7 days and get first users in first months - you are in!
Still Searching
You haven’t found your venture yet — but you know you’re built for more
BaseJump is not for those seeking a traditional job or who already have a clear venture idea with traction. We're seeking raw talent at the beginning of their entrepreneurial journey.
Timeline
1
Application process
Apply until 17 October. Complete the application form and stand out from the crowd.
2
15-min Test
Prove that you have Founders potential and problem solving skills in a 15-min online call.
3
3-month Program
Try building 1-2-3 or more startups through 3-months. Learn a lot and get funded

Limited Spots Available
Competition is fierce. Only those ready to commit everything will make it through.
Frequently Asked Questions

Who can apply?

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How does the application process work?

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Do I need a startup idea already?

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What do the monthly scholarship and operational cost cover?

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Can we apply as a team?

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How many participants will be accepted?

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What happens at the end of the program?

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Can I keep studying while in the Arena?

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Program friends
Startit
Cluj Startups
Ready to enter Arena?
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