Tacical sharpness - plus the ability to move quickly - is essential in fast games. With a 1 0 bullet time control, it is essential to be able to finish the game when you are handed the opportunity.
In the following game, angelcamina does so, admirably.
angelcamina - bbobbyfischerx41
1 0 bullet, lichess.org, 2019
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Nc3 Bc5 5.Bxf7+
The Italian Four Knights Jerome Gambit.
4...Kxf7 6.Nxe5+ Nxe5 7.d4 Bxd4 8.Qxd4 d6
9.O-O c6 10.f4 c5 11.Qf2 Neg4
Black's last few moves waste time, but he still holds on to the advantage.
12.Qe2 Re8 13.h3 Nh6 14.e5 dxe5 15.fxe5 Qb6
Looking to set up a discovered check, but the direct 15...Qd4+ 16.Be3 Qxe5 would win a pawn.
16.Bxh6 gxh6 17.Qh5+ Ke6
With 17...Kg8 it would take a little bit longer for White to checkmate him.
18.Rxf6+ Kd7 19.Rxb6 axb6 20.Qf7+ Re7 21.Rd1+ Kc6 22.Qxe7 Bd7 23.Qd6 checkmate