i cant figure out how to open , should i open with Kf6 or something else
No, you can only get a Gruenfeld after 1 d4 and 2 c4.
The Kengis variation of the Alekhine has some similarities - fianchettoed bishop, fighting against White's centre
1 e4 Nf6 2 e5 Nd5 3 d4 d6 4 Nf3 dxe5 5 Nxe5 g6. Or you can play the Caro-Kann 1 e4 c6 2 d4 d5 3 Nc3 g6 but neither truly resembles a Gruenfeld. The chessboard is asymmetric!
Scandinavian is also kind of similar: 1 e4 d5 2 exd5 Qxd5 3 Nc3 Qd8 4 d4 g6.
If you enjoy hypermodern structures and want Grünfeld-like plans against 1. e4, the Pirc Defense [snowrider](https://snowrider-2.io/) (1. e4 d6 2. d4 Nf6 3. Nc3 g6) or Modern Defense are worth looking into. You let White occupy the center early, fianchetto the dark-square bishop to g7, and immediately start undermining the pawn center with c5 or e5 strikes.
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