New move in the Kings Gambit

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Conquistador

I am the type of player that uses the modern defense through the 2...d5 move order.  However I have met a new move that surprised me and I could not find a direct refutation.

1.e4 e5 2.f4 d5 3.d4!?

A third sac of a pawn!  Neither side wants to give up the initiative.

I tried 3...dxe4 4.fxe5 Qh4+ 5.Ke2 and surprisingly white is holding.

What do you guys think?

Conquistador

The only thing is that I cannot use the game explorer.

AceBird

i would move f5 but thats me since he has black squares you need white squares but thats my tactic, i dont know what you do but i do that!