Tile based platform game collision :(

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Zster

Ok this fixes it

;---------------
;right collision
;---------------
If vx>0
	;If vy=0
	
		If Abs(osx2-1)<=xpos1
			dx#=xpos1-(odx2)
			odx1=Abs(odx1+dx)
			odx2=Abs(odx2+dx)
			
			resolve=False
			collisionRight=True
		EndIf
		
	ElseIf osy1<(ypos2-1)
	
		If Abs(osx2-1)<=xpos1
			dx#=xpos1-(osx2)
			odx1=Abs(odx1+dx)
			odx2=Abs(odx2+dx)
			
			resolve=False
			collisionRight=True
		EndIf
		
	;EndIf
EndIf

I've commented out the "If vy=0" and related "EndIf" as it means it only does a right side detection if you're not moving down. You always want to be doing a right side detection if vx>0. Remember to remove it from the left side code as well. (the code is in tile map collision). PS your Rocket Racer game looks awesome.