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[ogra]

use the snapshots feature to store games and game data:

Snapshots

A snapshot is a copy of the user, system and configuration data stored by snapd for one or more snaps on your system. This data can be found in $HOME/snap/<snap-name> and /var/snap/<snap-name>. Snapshots are generated manually with the snap save command and automatically when a snap is removed (unless --purge is used with remove, in which case no snapshot is created). A snapshot can be used to backup the state of your snaps, revert snaps to a previous state and to restore a fresh snapd installa…