Kreedz Climbing (aka KZMOD) is a Half-Life 2 modification for the Source engine. The whole premise of the game revolves around getting from point A to point B in the shortest time possible, in a linear route that can include any of the mod's 15 game modes from jumping on blocks to a death trap race, or a mix of disciplines in a single course
Some highlights of their latest version:
o CS 1.6 original duck/crouch feeling, double-ducks, ladders and CSS Knife added
o Smoothed demos for World Record viewing and movie making
o A new Female Climber player model
o 9 brand new maps which are mostly easy difficulty
o Over 100 map bug fixes of older maps
o 5 new awards to buy with your earned medals including Stats Readout and Slow-Motion
For more info and download links check out this press release.