Thanks for your work. I have just played it as clicking all around, it seems after reset and re-load the built in fire particle system something went wrong. Just to let you know.
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ERROR in
action number 1
of Draw Event
for object Stuff:
Variable <unknown_object>.region_shape(103174, -2147483648) cannot be resolved.
at gml_Script_ui_particle_emitter_select
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gml_Script_ui_particle_emitter_select (line -1)
gml_Script_ui_particle_demo_fire_execute (line -1)
gml_Script_ui_render_button_general (line -1)
gml_Script_ui_render_button
gml_Script_dr_box (line -1)
gml_Script_dialog_default
gml_Object_Stuff_Draw_0 (line -1)