Flash deprecates in Dec 2020, not this year.
Beginning with v76, Chrome blocks Flash natively unless enabled in it's settings (as well as when opening each instance of such an application). Since this is the version you're using right now, nothing should really change in that regard until 12/2020.
In the coming months I will be exploring other forum platforms in-depth and possibly migrating the Barn away from VBulletin sometime in 2020. That means there will be no more gameroom anyways.
Pretty sure the gameroom is the only Flash component still in use here. The analog clock once was, but I converted that to pure CSS several years ago when Chrome first started restricting Flash by default.
