The puzzle of Virtual Learning Environments: what criteria should be present in the ideal VLE? Dr. Avgoustos TSINAKOS BSc, MSc, AGDDE (T), MDE, PhD University of Macedonia, Dept. of Applied Informatics, GREECE ABSTRACT This study attempts to acknowledge the most useful, operative and educational important features that should be present in a VLE. The study aims to become a pre-decision manual in order to guide all those people, academic or not, who puzzle with the identification of the ideal VLE.