“Electrician's Training” is an online puzzle game in which players need to form a 3-player team and complete the challenge within the time limit. The goal of the game is to cultivate the player's professional knowledge of electricity and obstacle detection skills through problem solving tasks. The game adopts simulated scene design to increase the sense of immersion, and assists puzzle solving through multiple hints to reduce learners' anxiety and cognitive load, and cultivate players' teamwork ability.