Even Bill Wall has experienced relative "difficulty", scoring only 91% in his games with the line. The following game is quite a rarity.
Wall, Bill - Guest343560
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Nc3 Bc5 5.Bxf7+
Also seen are 6.d4 and 6.Nxe5+.
Other moves have allowed Bill to utilize his Queen on a different diagonal, e.g. 6...Rf8, which led to 7.Qc4+ Ke8 8.Qxc5 d6 9.Qc4 Qe7 10.d4 exd4 11.Nxd4 Nxe4 12.Nxc6 Qh4 13.O-O Rxf2 14.Nxe4 Rxg2+ 15.Kxg2 Bh3+ 16.Kh1 Qg4 17.Qf7 checkmate Wall,B - Roberts,C, Chess.com, 2010. See also Wall,B - Hamilton,E, FICS, 2011 (1-0, 22); Wall, Bill - NFNZ, FICS, 2011 (1-0, 15); and Wall,B - Guest1872464, PlayChess.com, 2014 (1-0, 30).
Or 6...d6 7.Qc4+ as in Wall,B - Guest1459913, PlayChess.com, 2013 (1-0, 38).
Or 6...h6 7.Qc4+ d5 8.Qxc5 as in Wall,B - DarkKnight, PlayChess.com, 2012 (1-0, 23),
Better was 7.Nxd5, as in Wall, Bill - Samvazpr, Chess.com, 2010 (0-1, 25)
This is an improvement over 7...Nxd5 8.Qc4 Nce7 9.Nxe5+ Ke6 10.Qxc5 Kxe5 11.Nxd5 Nxd5 12.c4 b6 13.d4+ Ke4 14.Qc6 Be6 15.Qxe6+ Kxd4 16.cxd5 Qxd5 17.Be3+ Kc4 18.Rc1+ Kb5 19.Qxd5+ c5 20.O-O Rhd8 21.Qc4+ Kc6 22.b4 Kb7 23.Qd5+ Ka6 24.Qc6 Rac8 25.Qa4+ Kb7 26.Rfd1 Rxd1+ 27.Rxd1 cxb4 28.Qxb4 Rc7 29.Qb5 h6 30.Rd7 Rxd7 31.Qxd7+ Ka6 32.Bd2 g5 33.a4 g4 34.Qb5+ Kb7 35.Bxh6 a6 36.Qd7+ Kb8 37.Bf4+ Ka8 38.Qc7 b5 39.Qb8 checkmate, papernoose - jsit, FICS, 2004.
8.Nxe5+ Kg8 9.Qc4 Qd6 10.O-O a6 11.Nd3 Ba7 12.Rb1 Bf5
Black is developing, while White struggles to get his pieces coordinated. An attack on White's King combined with an attack on his Queen brings the game to a quick conclusion.
13.a3 Ng4 14.g3 Nxh2 15.Kxh2 b5 White resigned