This appendix introduces and defines commonly used terms and phrases from the world of video gaming. It seeks to bridge the gaps between researchers, gamers, and educators so that a more thoughtful and productive conversation may be had. The authors hope that this appendix adds to the understanding of and appreciation for both consumer-based and educational video games, furthers academic research within this field, and serves as a valuable tool for anyone interested in learning more about video games and related terminology. Fifty-two entries are discussed within this appendix serving as a solid, yet not all-encompassing, foundation for future inquiry and discussion.