Jusant was a pleasant surprise for me that I can easily recommend to anybody with an interest in platformers or movement based games, and it also has a lot of lessons to teach about where mechanical complexity emerges from. Oh, you want to know why? Watch the video then.

Footage of the following games was taken from World of Longplays, and played by Spazbo4:
Uncharted 1
Rise of the Tomb Raider
Assassin's Creed
Uncharted 4

Footage of the following games was recorded (and played) by me:
Jusant
Celeste
Super Meat Boy
Super Mario World
Prince of Persia
Super Mario 64
Tomb Raider III
Katamari Damacy
Tears of the Kingdom
Ico
Grow Home
Grow Up
Journey

Timestamps:
0:00 - Intro
5:40 - Basic Movement Mechanics
13:43 - Additional Mechanics
19:08 - Freedom & Complexity
23:56 - Story & Setting
29:12 - Conclusion