Ooh, I’ll take a look at this in a minute.
What is the best game you have played in 4pc teams?

That's a great game!
I don't know if this is necessarily my best game, but it was certainly my longest! It got up to 50 moves! Everyone except me had a rating of roughly 1500, so it was kind of a blunder-fest.
https://www.chess.com/4-player-chess?g=11142797
1. h2-h3 .. b7-d7 .. g13-g12 .. m8-k8
2. Qg1-k5 .. Ba6-b7 .. d13-d12 .. m6-l6
3. Qk5xb5 .. Qa7-a6 .. Bf14-g13 .. m9-k9
4. Qb5xRa4 .. Bb7-c6 .. Bg13xb8 .. Qn8-k11
5. Qa4xb4 .. Ba9xBb8 .. Qh14xBb8+ .. Qk11-g7
6. Qb4xNa5 .. Na10xQb8 .. Ne14-f12 .. Bn9-m8
7. Qa5xQa6+ .. Nb8xQa6 .. Nf12-e10 .. Nn10-l11
8. e2-e3 .. Na6-b8 .. Ne10-d8 .. m7-l7
9. Nj1-i3 .. Bc6-e4 .. Nd8-f9 .. Qg7-f6
10. Ni3-g4 .. b11-d11 .. Nf9-h10 .. Qf6-f5
11. d2-d3 .. Be4-d5 .. Nh10-i8 .. l7-k7
12. e3-e4 .. Bd5-h9 .. Ni8-h6 .. Qf5-l5
13. Bi1xNb8 .. Ka8xBb8 .. j13-j12 .. Bm8xh3
14. g2xBh3 .. Ra11-a5 .. Bi14xNl11 .. Ql5-k4
15. j2-j3 .. Bh9-l5 .. Bl11xm10 .. Qk4-i6
16. O-O .. Ra5-j5 .. Bm10-l9+ .. Kn7-m7
17. i2-i4 .. Rj5-j8 .. Bl9xRn11 .. m4-k4
18. Ri1-i3 .. d11-e11 .. d12xe11 .. k4xj3
19. k2xj3 .. Bl5xj3 .. Rd14xd7 .. Qi6-k4
20. Kj1-i1 .. Bj3-k2 .. Nh6-j5 .. m5-l5+
21. Ki1-h2 .. b6-c6 .. Rd7-d4 .. Bn6-j2
22. Ri3-i2 .. Bk2-j1 .. Rd4-b4+ .. Qk4xRi2+
23. Kh2-g3 .. Kb8-c7 .. Nj14-i12 .. Qi2xh3+
24. Bf1xQh3 .. Bj1xBh3 .. Rb4xb9 .. Nn5-l4
25. Kg3xBh3 .. Rj8-h8+ .. Rb9-c9+ .. Nl4xNj5
26. Kh3-i2 .. Kc7-b8 .. Rc9xc6 .. Bj2-h4
27. i4xNj5 .. Kb8-b7 .. Rc6-c10 .. Rn4-i4+
28. Ki2-h3 .. Kb7-b8 .. Rc10-m10+ .. Km7-n8
29. Kh3xRi4 .. Rh8-i8+ .. Rm10xm11 .. Bh4-j2
30. Ki4-h3 .. Ri8-i4 .. Bn11xk8 .. l6-k6
31. Ne1-f3 .. Ri4-i8 .. Bk8-l9 .. k6xj5
32. Rd1-j1 .. Ri8-h8+ .. Rm11-n11+ .. Kn8-m9
33. Kh3-g3 .. Rh8-g8 .. Bl9-j7 .. Bj2-e7
34. Rj1xj5 .. Rg8-h8 .. Bj7xl5 .. Be7-d6+
35. e4-e5 .. Rh8-g8 .. Ni12-k11 .. Km9-l8
36. Rj5-j4 .. Rg8-g7 .. Nk11-j9+ .. Kl8-l7
37. Rj4-l4 .. Rg7-g9 .. Rn11-n8+ .. Kl7-m7
38. Rl4-m4+ .. Kb8-c9 .. Rn8-n7+ .. Km7-l6
39. Rm4-m6+ .. Rg9-i9 .. Rn7xk7 .. Kl6xBl5
40. Rm6xBd6 .. Ri9xNj9 .. k13-k11 .. Kl5-l4
41. Rd6-n6 .. Rj9-j3+ .. Rk7-d7 .. Kl4-m5
42. Kg3-f4 .. Rj3-j4 .. Rd7-d6 .. k9-j9
43. Rn6-n9 .. b10-c10 .. Rd6-c6+ .. Km5-l4
44. Rn9xj9+ .. Kc9-b8 .. Rc6xc10 .. Kl4-k5
45. Rj9xRj4 .. Kb8-b9 .. Rc10-j10 .. Kk5-k6
46. Ng4-f6 .. Kb9-b8 .. Rj10-j9 .. Kk6-k5
47. Nf6-d7+ .. Kb8-c7 .. Rk14-k12 .. Kk5-k6
48. Rj4-j7 .. Kc7-d8 .. j12-j11 .. Kk6-k5
49. Nd7-f6 .. Kd8-c8 .. Rk12-h12 .. Kk5-l6
50. d3-d4 .. Kc8-d8 .. Rh12-h8+ .. T
https://www.chess.com/4-player-chess?g=11711627-1
Thanks to good coordination, two 1500s were able to defeat a team of 2000 and 1800 players.
You may have noticed, that at one point i disconnected and lost 31 seconds. Not knowing how to mate with King and Queen, i stumbled upon mate luckily
Here is mine: https://www.chess.com/4-player-chess?g=11142742-91
Played a bit bad dew to the chat - loooooooook
And I became a 1800 in that game
[GameNr "11142742"]
[TimeControl "2+15"]
[Variant "Teams"]
[RuleVariants "EnPassant"]
[Red "DJbootyD3w"]
[RedElo "1587"]
[Blue "Timalina2"]
[BlueElo "1803"]
[Yellow "iambad696969420"]
[YellowElo "1627"]
[Green "zhangzz2015"]
[GreenElo "1358"]
[Result "0-1"]
[Termination "Checkmate. 0-1"]
[Site "www.chess.com/4-player-chess"]
[Date "Sun Dec 19 2021 06:10:51 GMT+0000 (Coordinated Universal Time)"]
[CurrentMove "91"]
1. Ne1-d3 .. b8-c8 .. f13-f12 .. m7-l7
2. h2-h3 .. Na10-c11 .. j13-j12 .. Qn8xQg1+
3. Kh1xQg1 .. Ba9xBi1 .. Bi14-j13 .. Bn6-m7+
4. Kg1-h1 .. Bi1xj2 .. g13-g11 .. Bm7xBf14
5. i2-i3 .. Qa7-b8 .. Kg14xBf14 .. Nn10-l9
6. g2-g3 .. Bj2xRk1 .. Qh14-g13 .. Nn5-l6
7. Kh1-i2 .. b4-c4 .. d13-d12 .. Nl6-k4
8. Nd3-f4 .. Nc11-e10 .. f12-f11 .. m10-l10
9. e2-e3 .. Qb8xQg13+ .. Kf14xQg13 .. Bn9xBj13
10. d2-d3 .. Ne10xg11 .. h13-h12 .. Bj13xRk14
11. d3-d4 .. Ng11-i12+ .. Nj14xNi12 .. Bk14xNi12
12. e3-e4 .. b5-c5 .. Ne14-f12 .. Bi12-k10
13. d4-d5 .. c4xd5 .. Nf12-e10 .. Bk10-g6
14. Nf4xBg6 .. Ra4xe4 .. d12-d11 .. O-O
15. Rd1xd5 .. Ba6xBf1 .. f11-f10 .. Nl9-j10
16. Nj1-h2 .. Bf1-c4 .. f10-f9 .. Nj10-i12+
17. Rd5-d8 .. Re4xNe10 .. Kg13-h13 .. Ni12-j14+
18. Ng6-f8 .. Re10xe13+ .. Kh13-g12 .. Nk4xi3
19. Nf8-e10 .. Bc4-i10+ .. Kg12-f12 .. Nj14-h13+
20. Ne10-g11 .. Re13-f13+ .. Kf12-e12 .. Nh13xNg11+
21. Rd8-d10 .. Bi10-h9+ .. Ke12-e11 .. Ng11xf9+
22. Rd10-f10 .. Rf13-e13+ .. Ke11-d12 .. Nf9-e11
23. Rf10-f12 .. Re13-e12+ .. #