“…Players had to achieve construction (i.e., build, maintain, or manage objects, Fullerton, 2014) and solution (i.e., solve a problem or puzzle, Fullerton, 2014) gameplay objectives with an programmable turtle to complete the race. We tried to reduce obstructive interactions between the players, because direct transfer learning might be more difficult to achieve in multiplayer games (Harteveld & Bekebrede, 2010). Therefore, we separated the racing lanes with insurmountable obstacles in order to prevent undesired interactions (e.g., stealing or destroying the opponent's material, disturbing the construction of puzzle solutions).…”