import bpy

# put your pages with their number here
pages = {
    1: "your first page name here", # <-- you want to modify this
    2: "your second page name here", # <-- you want to modify this
    }

# this copies game properties into page attribute for Plasma Objects
for obj in bpy.context.scene.objects:
    for prop in obj.game.properties:
        if prop.name == "page_num":
            i = int(prop.value)
            try:
                obj.plasma_object.page = pages[i]
                obj.plasma_object.enabled = True
            except:
                obj.plasma_object.enabled = False