Glowee (though the slopes are not smooth)
Castle2Black (almost smooth)
Jazz 1: Medivo (not totally black)
WAZ03 (not totally black)
Virus(waz05) (not totally black, but several angles)
Land of Skulg (very faint border line)
Mario 3 Night (pixelated)
Prismatic Palace
Mysterious Forest
Simple 2
Cheq