The lack of open-access tool for the enhancement and promotion of soft skills is bringing the e-learning community to new educational challenges. The paper describes the implementation of ENACT, an online serious game for the standardised psychometric assessment and training of users’ negotiation skills through the interaction with virtual artificial agents. The assessment process is divided into 8 scenarios based on real life situations and investigates the user negotiation styles in relation to Rahim’s conceptualization of five different styles of handling conflict. Need analysis data and preliminary testing results of the platform are presented