in progress: unfinished: game should start on title turtle should jump towards tap cloud should rise into game mode clouds should have 2 images and wrap game mode should descend clouds quickly game mode should bring turtle up interface should appear turtle should jump towards tap turtle x movement should scroll clouds turtle y movement should go up then fall turtle landing on cloud should change cloud colour birds should appear birds should move birds should oscillate birds should have strategy behaviors available turtle dev enemies should function controllers should manage enemy appearance turtle should flip clouds should bounce feathers should drop feathers should redrop from closest bird who has not dropped recent feather height finished: