Anonymous letters turned into a game

Say it with a letter.
Let them discover
who you are.

Create an anonymous letter with clues. They play to discover you and can react or reply without signing up.

Create my letter free

Start free · Sending it takes less than 2 minutes

First clue is free

Clear signals in your dashboard

Identity protected until the end

Receiver view

This is what receiving a letter feels like

No account

Someone left you a clue

You can start the game and respond without signing up or sharing personal information.

This demo does not send any information

Try the experience

What QuienFue is

A lighter way to open difficult conversations

QuienFue turns something hard to say into an experience that creates curiosity and makes a clear signal easier to give.

Speak without exposing yourself first

Your identity stays encrypted behind clues and rules you control.

They don't receive a cold message

They receive a mystery they can play, uncover, and open at their own pace.

You don't have to guess what happened

Opens, clues, reactions, and replies show up as clear signals.

The mystery creates curiosity. The choice to participate or reply always stays with the receiver.

How it works

From an anonymous letter to a clear signal

You start the mystery. The other person decides how far they want to play and respond.

A secret letter entering a sealed envelope

Create the mystery

Write the letter, choose the first clue, and save a message or image for the end.

Your identity never appears in the email or when the letter opens.

Tiles in a secret name lighting up as clues are discovered

They discover you

They receive an interactive experience, use a free clue, and try to discover who you are.

They can start without signing up and always stay in control.

A glowing signal connecting a reply with the letter sender

Get a signal back

See whether they opened it, used a clue, reacted, or decided to leave a reply.

Less uncertainty, without forcing a conversation.

Less friction, less silence

You don't have to guess what happened

Every letter shows clear signals, from opening to a reaction or reply. Without turning every gesture into a promise nobody made.

An immediate clue

The receiver can unlock their first clue for free and without signing up.

An easy way to respond

Quick reactions and a short reply mean disappearing is not the only easy option.

Control for both sides

The sender chooses when to reveal themselves, and the receiver can decline or report.

Your letter status

Example activity visible to the sender

Answered

Opened the letter

The delivery arrived and was seen.

Used their free clue

They started discovering who you are.

Reacted to the letter

“I think I know who you are 👀”

Left you a reply

An explicit signal, without interpretation.

Some conversations need a different opening

A reply does not need to mean more than it says. Sometimes opening a possibility is enough.

Break the ice

Approach someone you like without leading with an uncomfortable question.

Reconnect

Show up again with curiosity, without demanding an immediate conversation.

Set up a surprise

Save a message or image to reveal once they discover who you are.

Mystery with boundaries

Anonymous does not mean uncontrolled

The experience protects the game while giving the receiver clear tools.

Privacy by design

The sender's identity stays hidden until the game or the sender reveals it.

Explicit decline

The receiver can say they do not want to continue without signing up.

Private reports

Reports go to moderation and never appear in the sender's dashboard.

Expiring letters

Carta Plus lets the sender limit how long an experience stays active.

Start simple

A basic letter or a Plus experience

Try the idea for free. Choose Plus only when you want more impact and follow-up.

Basic letter

Free

Everything you need to start the conversation.

Anonymous letter with a final message
One free clue for the receiver
Reactions and a short reply

5 credits

Carta Plus

More tools for a letter you want to make special.

Secret image as a reward
Risk Mode included when selected
Configurable expiration
Automatic reminder if they have not interacted

You can receive too

Want anyone to be able to send you a letter?

Create a public inbox and share your link on social media. It stays a secondary feature and always remains under your control.

Stop imagining the answer

Create a letter and let the other person decide whether to discover, react, or reply.

Create my first letter