mailgame
nounUK /ˈmeɪlɡeɪm/
US /ˈmeɪlɡeɪm/
A game you play by sending letters or messages to other people.
We started a mailgame with our pen pals across the ocean.
OTHER MEANINGS
2. A game played through the postal system, often involving puzzles or stories passed between players.
The puzzle club ran a mailgame where each member solved one clue and mailed it on.
3. Any playful exchange of written messages between friends.
My cousin and I invented a mailgame where we write in secret codes.
4. A competition or contest conducted by mail.
The magazine's mailgame asked readers to send in their best drawings.