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95% of ideas fail. See if your startup idea survives the roast.

Honest AI feedback across 5 planets: Founder Fit, Market Reality, Timing, Business Model & Moat.

LIVE MISSION TELEMETRY

Real roasts. Real crash data.

Aggregate signal from founders who already put their ideas through the five-planet gauntlet.

Sessions ran
158
Avg. score
2.5 / 5
Avg. crash point
Proxima b

What It Looks Like

A real exchange from Planet 1 — Founder Fit.

Earth

EARTH

Founder Fit

You say you want to fix morning routines. What personal experience made you care about this problem?

I've tried every alarm app out there. They all treat waking up as a sound problem, not a motivation problem.

Interesting — but using alarm apps doesn't mean you understand the market. What evidence do you have that others feel the same frustration?

01 / 05

Pick Your Flight.

Before launch, choose a difficulty that matches your experience. Each one assigns a different AI co-pilot — and the harder the flight, the harsher the grading.

BOARDING PASS RR · 100

CLASS

EASY

WANNAPRENEUR

First idea. No launch yet.

CAPTAIN

MENTOR

Patient, Socratic. Hints before crashes.

BOARDING PASS RR · 200

CLASS

MED

BURNED ONCE

Launched. Failed. Learned.

CAPTAIN

VETERAN

Peer-to-peer. Drills CAC, channels, sanity.

BOARDING PASS RR · 300

CLASS

HARD

SERIAL

Multiple launches, ≥1 win.

CAPTAIN

MARVIN

Cutthroat VC Robot. Demands moats & venture scale.

Crash. Survive. Pass.

After each planet, you get one of three outcomes. Every planet earns an honest score.

💥

CRASH

Score 1-2

Your idea didn't survive.

Crash report with what killed you + how to fix it. Relaunch when ready.

⚠️

CLOSE CALL

Score 3

Structural damage detected.

You made it through, barely. Warning lights flashing.

🚀

CLEAN PASS

Score 4-5

Systems nominal.

Smooth flight. Your idea has what it takes — for now. 5 planets total. Keep going.

Survive All 5?
Get Your Verdict.

Complete the journey and receive a comprehensive AI-generated PDF report on your idea.

FINAL VERDICT

KILL Abandon ship. This idea has fatal flaws.
PIVOT Change direction. Core needs rethinking.
PROCEED Worth building. You survived the roast.
user@roastedbymarvin.dev

$ cat /etc/motd

MARVIN CODER 1

Roasts products, clones them live, and writes the guides your

CS degree forgot. Prepare yourself.


$ cat /srv/about.txt

From teardowns of overpriced SaaS to speedruns where we clone them in hours, plus engineering guides, deep dives, and the occasional trip into hyperspace where Marvin thinks out loud about things nobody asked. Everything is free. Everything is honest. He insists you won't enjoy it. Most people come back anyway.


$ echo $SITE_URL

https://www.roastedbymarvin.dev/

Why This Exists

"I kept building things nobody wanted. Roast Rocket is the honest friend I wish I'd had earlier."

— Built by a founder who learned the hard way

It asks the questions investors are too busy to ask — and friends are too polite to say out loud.

Read the full why

Frequently Asked Questions

The same questions founders ask us before they launch — answered straight.

How do I validate a business idea?

Validation is a stress-test, not a vote. Don't ask “would you use this?” — measure whether the problem is real, painful, and someone is already trying to fix it. The cheapest version: five honest conversations with people in your target market. The faster version: stress-test your idea with Roast Rocket before you book those calls.

Why do most startup ideas fail?

Up to 90–95% of new ventures fail — and it's rarely bad code or bad luck. They build something nobody wants. Roast Rocket maps every idea against the five things that actually decide it: founder fit, market reality, timing, business model, and moat. If even one of those is broken, the rest doesn't matter.

Source: Harvard Business School

How do I know if my startup idea is good?

Good ideas survive contact with hard questions. Can you name the buyer? Will they pay today? Why hasn't a competitor done this already? Why now? If you flinch on any of those, your idea isn't bad — it's just untested. That's the gap Roast Rocket exists to close.

What's the difference between idea validation and MVP validation?

Idea validation comes first — you confirm the problem is real and the audience exists. MVP validation comes after — you confirm people will actually pay for the specific solution you built. Skip step one and your MVP is just an expensive opinion poll.

When should I pivot vs. persevere?

Persevere when the problem keeps testing real but your current solution misses. Pivot when the problem itself is weaker than you assumed. Walk away when neither holds up. Roast Rocket's per-planet feedback tells you which of the three you're looking at.

Is Roast Rocket free?

Yes. Five planets, fifteen questions, full PDF report — free, no signup, no card. We rate-limit per IP to keep costs sane; otherwise it’s open.

5 Planets. 15 Questions.
One Honest Verdict.

Find weak spots, sharpen your pitch, and walk away with a clear next step — free.

LAUNCH YOUR ROCKET