Left 4 Dead 2 is a cooperative first-person shooter video game. Left 4 Dead 2: Death Sentence is a very detailed map campaign, having the survivors travel through a small town, a swamp area, along with many others.
DefectPX allows you to easily check for dead or defective pixels on LCD monitors. Use it to test new LCDs before purchasing or during warranty. DefectPX can be run directly without having to install it on your computer: just download and run.
IsMyLcdOK application was designed to be a small program but effective solution to easily check for dead / paralysed / stuck pixels on LCD monitors. Many manufacturers provide the highest industry standard dead pixel policy.