Of course, this is bullet only tricks, because most attacks involve some totally crazy sacrifices, only relying on surprise effect.
Often there is a bishop sac on h7 or/and on h6, a knight sac near king, and sometimes also a rook sac to totally break the pawn shield.
I've played many many games like those, and it's so fun I cannot even think of playing something else as white in bullet now

Here are some example
[pgn]
[Event "U1700 Bullet Arena"]
[Site "https://lichess.org/XoVLYuUJ"]
[Date "2019.06.09"]
[Round "-"]
[White "xr_a_y"]
[Black "Boera3689"]
[Result "1-0"]
[UTCDate "2019.06.09"]
[UTCTime "09:18:02"]
[WhiteElo "1572"]
[BlackElo "1652"]
[WhiteRatingDiff "+14"]
[BlackRatingDiff "-13"]
[Variant "Standard"]
[TimeControl "60+0"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Normal"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } e6 2. Nf3 d5 3. e3 c5 4. Bd3 Nc6 5. Nc3 Bd6 6. b3 Nge7 7. Bb2 O-O 8. Bxh7+ Kxh7 9. Ng5+ Kg8 10. Qh5 Re8 11. Nxd5 Nxd5 12. Qxf7+ { Black resigns. } 1-0
[/pgn]
[pgn]
[Event "U1700 Bullet Arena"]
[Site "https://lichess.org/rqWKhYrL"]
[Date "2019.06.09"]
[Round "-"]
[White "xr_a_y"]
[Black "Ermanzo"]
[Result "1-0"]
[UTCDate "2019.06.09"]
[UTCTime "09:14:58"]
[WhiteElo "1559"]
[BlackElo "1599"]
[WhiteRatingDiff "+13"]
[BlackRatingDiff "-12"]
[Variant "Standard"]
[TimeControl "60+0"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Time forfeit"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } e6 2. Nf3 d5 3. e3 Bd6 4. Bd3 Ne7?! { (-0.22 → 0.34) Inaccuracy. Best move was Nd7. } (4... Nd7 5. b3) 5. Nc3?! { (0.34 → -0.27) Inaccuracy. Best move was b3. } (5. b3) 5... O-O?! { (-0.27 → 0.39) Inaccuracy. Best move was c6. } (5... c6 6. Be2 Nd7 7. d4 Nf6 8. O-O O-O 9. Ne5 b6 10. g4 a5 11. Bd2 Bb7 12. Bd3) 6. b3? { (0.39 → -0.63) Mistake. Best move was Bxh7+. } (6. Bxh7+) 6... c5?? { (-0.63 → 2.78) Blunder. Best move was f6. } (6... f6) 7. Bb2? { (2.78 → 0.22) Mistake. Best move was Bxh7+. } (7. Bxh7+ Kxh7 8. Ng5+ Kg6 9. Qg4 f5 10. Qg3 Qb6 11. Bb2 Nd7 12. Nb5 Bb8 13. Nxe6+ Kf7) 7... a6?? { (0.22 → 7.51) Blunder. Best move was f6. } (7... f6) 8. h3?? { (7.51 → -0.88) Blunder. Best move was Bxh7+. } (8. Bxh7+ Kxh7 9. Ng5+ Kg6 10. Qg4 f5 11. Qg3 Nbc6 12. Nxe6+ Kf7 13. Nxd8+ Nxd8 14. Na4 b5) 8... b5?! { (-0.88 → -0.12) Inaccuracy. Best move was Nbc6. } (8... Nbc6 9. a3 f6 10. O-O Bd7 11. Qb1 b5 12. a4 Nb4 13. axb5 Nxd3 14. cxd3 axb5 15. Rxa8) 9. Qe2? { (-0.12 → -1.40) Mistake. Best move was a4. } (9. a4 b4 10. Ne2 Nd7 11. Ng3 f6 12. O-O Qc7 13. Nh4 f5 14. Qe1 Nf6 15. Be2 Nc6) 9... Bb7? { (-1.40 → 0.06) Mistake. Best move was f6. } (9... f6 10. Qf2) 10. Bxh7+ Kxh7 11. Ng5+ Kg8?? { (-0.28 → Mate in 5) Checkmate is now unavoidable. Best move was Kh6. } (11... Kh6 12. Qg4 Nf5 13. Ne2 d4
[/pgn]
[pgn]
[Event "U2000 Bullet Inc Arena"]
[Site "https://lichess.org/mSncOydx"]
[Date "2019.05.19"]
[Round "-"]
[White "xr_a_y"]
[Black "ogulcan22"]
[Result "1-0"]
[UTCDate "2019.05.19"]
[UTCTime "10:46:40"]
[WhiteElo "1570"]
[BlackElo "1740"]
[WhiteRatingDiff "+17"]
[BlackRatingDiff "-15"]
[Variant "Standard"]
[TimeControl "60+1"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Time forfeit"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } c5 2. Nf3 d6 3. e3 Nc6 4. Bd3 Nf6 5. b3 Bd7 6. Bb2 Qc8 7. Nc3 h6 8. Qe2 e5 9. O-O-O e4 10. Nxe4 Nxe4 11. Bxe4 f5 12. Bd3 Be7 13. h3 g6 14. Bxh8 Qc7 15. Bb2 O-O-O 16. g4 fxg4 17. hxg4 Bf8 18. g5 h5 19. Bxg6 Bg4 20. Qg2 Qg7 21. Bxh5 Qd7 22. Bxg4 Qxg4 23. Qxg4+ { White wins on time. } 1-0
[/pgn]
[pgn]
[Event "Rated Bullet game"]
[Site "https://lichess.org/D1cAmysU"]
[Date "2019.05.19"]
[Round "-"]
[White "xr_a_y"]
[Black "yyilm"]
[Result "1-0"]
[UTCDate "2019.05.19"]
[UTCTime "08:46:26"]
[WhiteElo "1544"]
[BlackElo "1436"]
[WhiteRatingDiff "+7"]
[BlackRatingDiff "-62"]
[Variant "Standard"]
[TimeControl "120+0"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Normal"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } Nc6 2. Nf3 b5 3. e3 e5 4. Bd3 exf4 5. b3 fxe3 6. Bb2 exd2+ 7. Qxd2 d6 8. Nc3 Ne5 9. Nxe5 dxe5 10. O-O-O f5 11. h3 Bb4 12. Rde1 Bxc3 13. Bxc3 Rb8 14. Rxe5+ Ne7 15. Bb4 g5 16. Qxg5 Rg8 17. Qh5+ Rg6 18. g4 Qd6 19. Rhe1 Be6 20. Bxd6 cxd6 21. Rxe6 Rc8 22. gxf5 { Black resigns. } 1-0
[/pgn]
[pgn]
[Event "Rated Bullet game"]
[Site "https://lichess.org/wYW5QxHD"]
[Date "2019.05.18"]
[Round "-"]
[White "xr_a_y"]
[Black "Ejaf"]
[Result "1-0"]
[UTCDate "2019.05.18"]
[UTCTime "11:40:46"]
[WhiteElo "1520"]
[BlackElo "1566"]
[WhiteRatingDiff "+12"]
[BlackRatingDiff "-11"]
[Variant "Standard"]
[TimeControl "60+1"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Normal"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } d6 2. Nf3 Nf6 3. e3 Nc6 4. Bd3?! { (0.38 → -0.38) Inaccuracy. Best move was d4. } (4. d4 Bf5 5. c4 e6 6. Be2 d5 7. O-O Be7 8. cxd5 exd5) 4... e5 5. Nc3 e4? { (-0.64 → 1.48) Mistake. Best move was exf4. } (5... exf4 6. exf4) 6. Nxe4 Nxe4 7. Bxe4 Bg4?! { (1.44 → 2.03) Inaccuracy. Best move was d5. } (7... d5 8. Bd3 Qf6 9. O-O Bf5 10. Bxf5 Qxf5 11. h3 a6 12. d3 Be7 13. Bd2 O-O 14. g4) 8. h3 Bxf3?! { (1.89 → 2.57) Inaccuracy. Best move was Be6. } (8... Be6) 9. Qxf3 Qd7 10. b3 Be7?! { (2.13 → 2.66) Inaccuracy. Best move was f5. } (10... f5) 11. Bb2 O-O?! { (2.48 → 3.25) Inaccuracy. Best move was f5. } (11... f5 12. Bd5 O-O-O 13. O-O-O Bf6 14. Bxf6 gxf6 15. g4 Kb8 16. gxf5 Nb4 17. Be6 Qe7 18. Kb2) 12. O-O-O f5 13. Bd3? { (2.93 → 1.93) Mistake. Best move was Bd5+. } (13. Bd5+ Kh8 14. g4 Nb4 15. gxf5 Nxd5 16. Qxd5 Qxf5 17. Qxb7 Bf6 18. Qc6 d5 19. Rhg1 a5) 13... Nb4 14. Bc4+? { (2.05 → 0.81) Mistake. Best move was Kb1. } (14. Kb1 Nxd3 15. Qd5+ Kh8 16. Qxd3 Bf6 17. g4 Bxb2 18. Kxb2 d5 19. g5 Rad8 20. h4 Rfe8) 14... Kh8? { (0.81 → 2.54) Mistake. Best move was d5. } (14... d5 15. Be2) 15. a3 Nc6?! { (2.78 → 3.47) Inaccuracy. Best move was d5. } (15... d5 16. Be2) 16. g4 fxg4?? { (3.64 → 39.73) Blunder. Best move was Bf6. } (16... Bf6 17. d4 Bh4 18. gxf5 Qxf5 19. Rdg1 Rae8 20. Kb1 d5 21. Bxd5 Rxe3 22. Qxe3 Qxd5 23. Rd1) 17. hxg4 Bf6?! { (23.00 → Mate in 4) Checkmate is now unavoidable. Best move was d5. } (17... d5 18. Bxd5) 18. Rxh7+ Kxh7 19. Qh3+ Kg6 20. f5+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qh5#. } (20. Qh5#) 20... Kg5 21. Qh5# { White wins by checkmate. } 1-0
[/pgn]
[pgn]
[Event "Rated Bullet game"]
[Site "https://lichess.org/uZglsPO2"]
[Date "2019.05.18"]
[Round "-"]
[White "xr_a_y"]
[Black "fky2009"]
[Result "1-0"]
[UTCDate "2019.05.18"]
[UTCTime "09:50:12"]
[WhiteElo "1544"]
[BlackElo "1636"]
[WhiteRatingDiff "+14"]
[BlackRatingDiff "-15"]
[Variant "Standard"]
[TimeControl "90+0"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Normal"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } g6 2. Nf3 Bg7 3. e3 b6 4. Bd3 Bb7 5. Nc3 d6 6. b3 e6 7. Bb2 Ne7 8. Qe2 Nd7 9. O-O-O c5 10. h3 O-O 11. g4 Qc7 12. h4 f5 13. h5 fxg4 14. Ng5 Bxh1 15. Rxh1 Rf6 16. hxg6 Nxg6 17. Qxg4 Kf8 18. Nce4 h6 19. Bxf6 Bxf6 20. Nxf6 Nxf6 21. Nxe6+ { Black resigns. } 1-0
[/pgn]
[pgn]
[Event "U2000 Bullet Inc Arena"]
[Site "https://lichess.org/Ob7FZmF2"]
[Date "2019.05.11"]
[Round "-"]
[White "xr_a_y"]
[Black "DogacMaden"]
[Result "1-0"]
[UTCDate "2019.05.11"]
[UTCTime "18:42:28"]
[WhiteElo "1557"]
[BlackElo "1867"]
[WhiteRatingDiff "+19"]
[BlackRatingDiff "-19"]
[Variant "Standard"]
[TimeControl "60+1"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Normal"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } Nc6 2. Nf3 d6 3. e3 e5 4. Bd3 exf4 5. b3 Nf6 6. Bb2 fxe3 7. Nc3 exd2+ 8. Qxd2 Be7 9. O-O-O O-O 10. Rde1 Be6 11. h3 h6 12. g4 Nd5 13. Nxd5 Bxd5 14. h4 Bxf3 15. g5 hxg5 16. hxg5 g6 17. Rh8# { White wins by checkmate. } 1-0
[/pgn]
[pgn]
[Event "U1700 Bullet Inc Arena"]
[Site "https://lichess.org/vvAAEpuc"]
[Date "2019.05.11"]
[Round "-"]
[White "xr_a_y"]
[Black "Amirhossein1997a"]
[Result "1-0"]
[UTCDate "2019.05.11"]
[UTCTime "13:50:04"]
[WhiteElo "1581"]
[BlackElo "1438"]
[WhiteRatingDiff "+7"]
[BlackRatingDiff "-7"]
[Variant "Standard"]
[TimeControl "60+1"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Normal"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } e6 2. Nf3 d5 3. e3 Nc6 4. Bd3 Bb4 5. b3 Be7 6. Bb2 Nf6 7. Nc3 O-O 8. Qe2 Bd6 9. h3 h6 10. g4 Ne7 11. g5 hxg5 12. fxg5 Ne4 13. Nxe4 dxe4 14. Bxe4 g6 15. O-O-O f5 16. Bd3 Bd7 17. h4 Bc6 18. h5 Nd5 19. hxg6 e5 20. Nxe5 Bxe5 21. Bxe5 Qxg5 22. Rh8# { White wins by checkmate. } 1-0
[/pgn]
[pgn]
[Event "U1700 Bullet Inc Arena"]
[Site "https://lichess.org/6vSDiHSS"]
[Date "2019.05.11"]
[Round "-"]
[White "xr_a_y"]
[Black "TarmunVykers"]
[Result "1-0"]
[UTCDate "2019.05.11"]
[UTCTime "13:37:18"]
[WhiteElo "1567"]
[BlackElo "1342"]
[WhiteRatingDiff "+5"]
[BlackRatingDiff "-5"]
[Variant "Standard"]
[TimeControl "60+1"]
[ECO "A02"]
[Opening "Bird Opening"]
[Termination "Normal"]
[Annotator "lichess.org"]
1. f4 { A02 Bird Opening } e6 2. Nf3 c5 3. e3 Nc6 4. Bd3 Bd6 5. b3 a6 6. Bb2 b5 7. Nc3 Nf6 8. h3 O-O 9. g4 Bb7 10. g5 Nh5 11. Nh4 f6 12. Qxh5 fxg5 13. Qxh7+ Kf7 14. Bg6+ Ke7 15. Qxg7+ Rf7 16. Qxf7# { White wins by checkmate. } 1-0
[/pgn]