Gender and prior knowledge may affect students' performance and motivation when simulations and games are used for learning. Accommodations should be made for students of different genders and with different levels of prior knowledge. A simulation digital game about the food chain concept geared for elementary school students was developed for…

Competitive game-based learning has been widely discussed in terms of its positive and negative impacts on learners' learning effectiveness and learning behavior. Although different types of games require different kinds of knowledge to accomplish the task via competition, few studies have considered that knowledge types, such as procedural…