1. Ernest Adams. 2011. The designer's notebook: Eight ways to make a bad tutorial. Ernest Adams. 2011. The designer's notebook: Eight ways to make a bad tutorial.
2. Playing to Wait
3. Where is that Feature?
4. The impact of tutorials on games of varying complexity
5. Daniel Atorf , Ehm Kannegieser , and Wolfgang Roller . 2019. Study on Enhancing Learnability of a Serious Game by Implementing a Pedagogical Agent . In Games and Learning Alliance , Springer International Publishing , 158–168. Daniel Atorf, Ehm Kannegieser, and Wolfgang Roller. 2019. Study on Enhancing Learnability of a Serious Game by Implementing a Pedagogical Agent. In Games and Learning Alliance, Springer International Publishing, 158–168.