Your startup idea?
Build it here first.
Fail fast, fail free. Then go build the real thing.
Every run you complete makes the platform smarter for everyone.
Free
Free forever. No credit card.
One run per week. Enough to try your idea, see what happens, and decide if you want more.
- 1 run per week
- 10 AI interactions per run
- Free text input — your own plan
- All 20 industries
- AI-generated scenarios
- Performance grades & KPIs
- Community insights (read-only)
Sandbox
Cancel anytime.
Test your real business idea. Get AI scenarios built from your context, plus insights from founders who faced the same decisions.
- 5 runs per week
- 10 AI interactions per run
- Sandbox mode — test YOUR idea
- Free text input — your own plan
- Full community insights
- Strategic report after each run
Pro
Cancel anytime.
20 runs a week with deeper AI interactions. Branch scenarios, compare paths, filter community data by founders like you.
- 20 runs per week
- 20 AI interactions per run
- Free text input — your own plan
- Scenario branching — compare paths
- Community insights with founder filters
- Full analytics & export
- Priority AI generation
Not just AI answers. Founder intelligence.
Ask ChatGPT
“Should I hire my first employee?”
“It depends on your situation, revenue, and growth trajectory...”
Generic advice. No data behind it.
Ask Buck'd Sandbox
“Should I hire my first employee?”
“312 founders at your stage faced this. 41% hired full-time. Those who waited until $5K MRR had 2.3x better retention.”
Real decisions from real founders. Only here.
Every run makes it smarter
Your decisions are anonymized and added to our database. The more founders use Sandbox, the better the insights get for everyone.
What $15/month gets you elsewhere
Looking for Classroom Mode?
Assign scenarios to students, track decisions, run debriefs. Free during pilot for universities.
Learn about Classroom ModeNo credit card for Play. Cancel paid plans anytime. Your data is always anonymized.