{
	
	"timer0" : 600,
	"timer0subtrmult" : 20,
	"stages" : 
	[
		//note: a spawn with lowercase 'r' means reversed...
		{
			"stage" : 1,
			"minimumDifficulty" : 0,
			"spawn" : ["bgBoat"]		
		},
		{
			"stage" : 2,
			"minimumDifficulty" : 150,
			"spawn" : ["bgJet"]		
		},
		{
			"stage" : 3,
			"minimumDifficulty" : 300,
			"timerID" : 0,
			"timer" : 30,
			"spawn" : ["bgSub"]	
		},
		{
			"stage" : 4,
			"minimumDifficulty" : 500,
			"spawn" : ["bgBoatr", "bgJet"]		
		},
		{
			"stage" : 5,
			"minimumDifficulty" : 750,
			"spawn" : ["bgBlimp"]	
		},
		{
			"stage" : 6,
			"minimumDifficulty" : 900,
			"spawn" : ["bgBlimpr", "bgJet"]		
		}	
	]
}