Every opening is playable, as long as its reputation is bad enough !
Félög
King's Indian Defense
778 Meðlimir
def Hippo
271 Meðlimir
1...g6 Sniper
156 Meðlimir
1.b3 Nimzo-Larsen Attack
941 Meðlimir
1...g6 Modern Repertoire
311 Meðlimir