Method 1 :
Go outside the castle into Cao Pi's army and Zhen Ji will defect
to his army.
Defeat all enemy generals and sub-generals except Yuan Xi.
Achieve 150 KO Count.
Method 2 :
Don't go outside the castle into Cao Pi's army and Zhen Ji will
remain in Yuan Xi's army.
Defeat all enemy generals and sub-generals except Cao Pi.
Achieve 150 KO Count. The method is basically the same, regardless of which army you choose to side with at the beginning of the stage. Just defeat all enemy generals and sub-generals and achieve 150 KO Count. On Expert mode to get the weapon
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