Fastest Double Checkmate And Fastest FFA Game

[StartFen4 ""]
[Variant "FFA"]

1. g2-g4 .. b9-c9 .. f13-f12 .. m6-l6
2. Bf1-j5 .. b10-d10 .. e13-e11 .. m5-k5
3. Bj5-d11++## .. Nn10-l11
4. Bd11-k4+#

Wow. Did that actually happen?

No. I analyzed it and came up with it.

Ah.