Tomb Raider: Legend

This is the Ghana Time trial and has a par time of; 20mins 0secs. Once you have beaten a level once, time trial mode will be available for that level. To play a time trial, from the menu choose load, to load the level. Now select the level you want to do a time trial on, it will tell you to choose a difficulty, select 'Time Trial'. If you have already finished the game once all the way through you get the option to use cheats. These don't effect trophies at all so feel free to use them. There are listed in the Roadmap as followed. You should do the England and Bolivia Redux time trials first so you get the best cheats, these will make time trials a breeze. Here's a speedrun courtesy of nextgenwalkthroughs, credit to them:

Tomb Raider Legend - Ghana Time Trial - YouTube