<< Objectives >>We will further improve DIBL an innovative digital platform for collaborative learning based on dilemmas, adapt it to the Greek educational environment and evaluate its effectiveness.Then we will promote digital readiness, resilience and capacity by driving to informed implementation of Game Based Learning, supporting teachers' self-improvement and promoting the transformation of schools to learning communities by guiding their involvement in well organised training activities.<< Implementation >>We will organise learning experiences in an action research format, in two phases. In the first one in English, we will prepare teacher trainers as multipliers for the training activities of the second and main phase, to five different cities in Greek. We plan learning activities in six steps1. Mindset consolidation online2. Live/on site 5 days course 3. Supported pilot application of GBL 4. Evaluation-Certification 5. Dissemination-Reflection6. Informed implementation<< Results >>We will - evolve a collaborative dilemma based learning (DIBL) application - translate DIBL in Greek and prepare it for more languages- reach and include previously excluded schools and teachers and through them pupils- develop and share at least 40 evaluated GBL scenarios through digital teaching depositories in Greece and Europe- support GBL pedagogy and didactics by the informed implementation of GBL scenarios- promote participation of inexperienced school units in the Erasmus+ program