Arma Reforger
15 Achievements
Steam
Ivory Tickler
Interacted with a piano in any game mode. Details for this achievement will be revealed once unlocked
4.3%
How to unlock the Ivory Tickler achievement in Arma Reforger - Definitive Guide
This can be done in any map, what you'll want to do is search houses (mainly ones in towns). So far every town I've been to has at least 1 piano.