Expert Mode on Sun Quan's Legend Defeat Yue Jin.
Defeat Li Dian.
Defeat Zhang Liao 3 times.
Keep all ally generals alive.
Achieve 500 KO Count.
Retreat to the broken bridge at the bottom of the map riding on a horse.
There is a certain degree of randomness as to where Zhang Liao will make his multiple appearances. You only need to defeat Zhang Liao 3 times. He will continue to re-appear a couple more times, but there is no point in fighting him till the end. Defeating Zhang Liao the 1st time = 10 points. Defeating Zhang Liao the 2nd time = 20 points. Defeating Zhang Liao the 3rd time = 10 points. Defeating Zhang Liao the 4th time and beyond = 0 points. So 3 times is enough. After defeating Zhang Liao for the 3rd time, there will be a Supply Troop Appearance, the Musou Armor. While on the subject of points. Surviving ally generals = 10 points per ally general. 300 KO Count = 10 points. 500 KO Count = 20 more points.
Get 800 kills in Hard Mode
On hard mode get 50 kills in 4 minutes
Get 100 kills in 3 minutes on hard mode
Achieve 300 KO Count in under 4 minutes on hard.
Get 100 kills in 6 minutes and 35 seconds on hard mode
Get 300 KO Count in under five minutes and win with the difficulty on hard
Achieve 100 KO Count in under 4:30 minutes on hard.
Don't let any one pass the bridge and kill all generals on hard
Kill Cao Ren, Zhang He, Xu Zhu and Xu Huang on hard mode
On hard mode, get 400 KO Count before Xiahou Duns reinforcements comes
Before your ally troops get eliminated, defeat Guan Xing and stop the rock attack on hard
Beat Hua Xin, Hua Xiong and Lu Bu in under five minutes on hard