Mirror's Edge

Mirror's Edge is a beautiful game about Faith doing some parcour, mostly on the rooftops but also indoors and on trains. And she's also saving her sister.

Chapters
Mirror's Edge has a Training Area, a Prologue and 9 Chapters:
 * Training Area
 * Prologue - The Edge
 * Chapter 1 - Flight
 * Chapter 2 - Jacknife
 * Chapter 3 - Heat
 * Chapter 4 - Ropeburn
 * Chapter 5 - New Eden
 * Chapter 6 - Pirandello Kruger
 * Chapter 7 - The Boat
 * Chapter 8 - Kate
 * Chapter 9 - The Shard

Characters
There's Faith, Merc, Celeste, Ropeburn, Jacknife, Miller and some more...

Speedruns
Game has Speedruns where you can speedrun the levels.

Time Trials
And a bunch of Time Trials: 

Collectables
And it has Runner Bags. Some versions have Achievements.

Game Mechanics
Reaction Time Springboards Vaults Interact Barge Wallrunning Wallclimbing Melee Dodging ...

Glitches
Wallboost Walking after certain Moves (Kickglitch) Play Sound Reaction Time Bug Use Spamming Timer Rounding Time Trial Timer Accuracy Landing Pad Sliding Pull-Up Clip (Nulaft Clip) Vault Clip Vault Boosting (Shark Boosts) Death Abuse Skillroll Boost Air Duct Boost Beamer Strang Edge Boosting Sliding Wallclimbs Drop Kick Heavy Landing Cancel And Fall Extension Chapter 5 Black Elevator Softlock When Spamming Disarm on Loading Screen ...