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Startup Demos

Four founders demoed different products in different rooms for different investors. Use the clues to match each founder with their product, room, and investor.

Edition #30 hard Publish date: 2026-02-14
Scenario

Four founders demoed different products in different rooms for different investors. Use the clues to match each founder with their product, room, and investor.

Clues
  1. The Harbor demo was in Room 4.
  2. Lia pitched Beacon.
  3. Room 1 hosted the Flux demo.
  4. The Quartz demo met with Seabird.
  5. Atlas Capital backed the Harbor pitch.
  6. Marcus did not meet Juniper Ventures.
  7. The Beacon demo met with Juniper Ventures.
  8. Owen did not present in Room 4.
  9. Northline backed the Room 1 demo.
  10. Lia did not present in Room 2.
Solved

Explanation

Reveal the reasoning
  1. Clues 1-5 lock in several product, room, and investor pairings.
  2. Clues 6-10 eliminate the remaining combinations to finish the grid.

Solution

Show solution mapping

Solve the puzzle to reveal the full mapping.

Order: Product / Room / Investor

  • Lia -> Beacon / Room 3 / Juniper Ventures
  • Marcus -> Flux / Room 1 / Northline
  • Noor -> Harbor / Room 4 / Atlas Capital
  • Owen -> Quartz / Room 2 / Seabird

About this puzzle

  • Published: 2026-02-14
  • Validation: Build-time checks for a one-to-one solution mapping and consistent IDs.
  • Corrections: If you spot an issue, contact us with the puzzle date. See the editorial policy and the contact page.

FAQ

Do I need to guess?

No. Every GridCipher puzzle is designed to be solvable by deduction alone.

Can I mark a cell twice?

Yes. Each tap cycles blank -> X -> check -> blank so you can adjust your notes.

What happens when I solve the puzzle?

A solved banner and summary appear, and you can share a spoiler-free result.

Yes marks 0
No marks 0
Time 00:00
Status In progress
= yes = no Blank = unknown

Tip: Shift-click or right-click to clear a cell quickly.

Founder x Product

Founder Beacon Flux Harbor Quartz
Lia
Marcus
Noor
Owen

Founder x Room

Founder Room 1 Room 2 Room 3 Room 4
Lia
Marcus
Noor
Owen

Founder x Investor

Founder Atlas Capital Juniper Ventures Northline Seabird
Lia
Marcus
Noor
Owen

Keep solving

Next edition

Up next: Night Market (2026-02-15)