Got a crash, I think while trying to open the shop while moving and/or shooting.
Cool game. Love the simple controls and the old arcade atmosphere.
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ERROR in action number 1
of Create Event for object oBuyButton:
Push :: Execution Error - Variable Index [-1] out of range [10] - -6.base_price(100031,-1)
at gml_Object_oBuyButton_Create_0
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gml_Object_oBuyButton_Create_0 (line -1)
gml_Object_oGame_Draw_64 (line -1)