Riboflavin
File sealed
The detectives are still writing this one up. The poster and the facts are below; the film and the interrogation room open soon.
Booking photographs


The suspect, from its real atomic coordinates. Drag to turn it. Height chart in nanometers, ruled every 0.1 nm. A nanometer is about how far a fingernail grows in a second.
Rap sheet
- Answers to
- Vitamin B2. Aliases: lactoflavin, vitamin G.
- Height
- 1.2 nm, tail up.
- Weight
- 0.62 zeptograms
- Build
- A flat three-ring head with a sugary tail.
- Color
- Orange-yellow. Dissolved, it glows greenish-yellow.
- Weakness
- Light. Dissolved, it falls apart in daylight.
- Origins
- Brewed in tanks by a bacterium and a fungus. Chemists gave up.
- Last seen
- A 5 mL tube marked ENERGY in the fridge at HQ.
of them in a 16 oz can of energy drink that lists B2, give or take.
Brands vary. You’ve never seen one.
The poster on the street
This is the photocopied wanted poster for Riboflavin, No. 66. They were made for noticeboards around Boston, Cambridge and the rest of the east coast.
Found one? Scan its QR code with your phone. If you're a signed-in player, the sighting goes on your record with +1 XP.
Not a player yet? Join the Epic Quest: the real role-playing game of Molecular Reality, a nanopore lab, with the CEO as gamemaster.