The phrase "tutorial missions" refers to specific tasks or levels in a video game that are designed to help players learn and understand the basics of how to play the game. Full definition
Honestly, Battlefield would be better served by a freely accessible set of tutorial missions instead of having this sort of single player mode. (gamecritics.com)
After a beginning tutorial mission, you're free to take on any optional side - quests to get better items or continue on the main quest. (xblafans.com)
If you want to get comfortable with moving, jumping and shooting all at once, the game's single - player tutorial mission is a good place to start. (tomsguide.com)