Hibiki build has been uploaded, the game on Steam is now updated. This update doesn't differ from Inazuma build much except that in this build you can choose the Battle Frame model you want to pilot in Survival mode.
After you have updated the game, we recommended that you give M5 Viper, S47 Berkut, Typhoon, Gripen and S37 Terminator a try in Survival mode.
The keyboard button for transformation between flight mode and humanoid mode for M5 Viper is 'X'. We have not set the Gamepad button for that yet. Will be there in next build.
You might want to know how pilots of those grunt mechs felt. Try go to survival mode in that antique M1.
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Next build: "Verniy" will arrive within 48-72 hours. In Verniy update we're going to fix many things that's reported in "Inazuma" build.