The Best
Thin Mints - S+ if frozen. They disappear faster than they should.
Samoas - the only unique GS cookie
Good
Do-Si-Dos - good PB taste and crunch
Decent
Tagalongs - waxy and fake tasting chocolate, but PB + chocolate + crunch combo
Meh
Lemon-Ups - too sweet, soft would be better than crunch in the lineup IMO
Trefoils - too sweet, too much fake vanilla flavor. not shortbread at all, basically nilla wafers
Toffee-Tastic - not an effective toffee delivery system
Avoid
Girl Scout S'mores - disgusting fake chocolate and vanilla flavor, if this tastes like a smore to you then you might have COVID.
Note: the only ones really worth buying are thin mints and samoas. Everything is is done better elsewhere