Every opening is playable, as long as its reputation is bad enough !
Félög
1.b3 Nimzo-Larsen Attack
883 Meðlimir
1...g6 Sniper
156 Meðlimir
1...g6 Modern Repertoire
313 Meðlimir
Dynamic Dutch Defence
72 Meðlimir
Bird's Opening Lovers
462 Meðlimir