Making Shooting Games 6

Game plot

You're an agent who likes to take on easy missions to make your life easier. But now the higher up has given you a mission to find and infiltrate the base of enemy organization that is secretly conducting Experiment.  
 The task given to you is to find and destroy the base where the experiment is conducted. Base on your ability your an expert in infiltrating and destroying things.  And then you think this is an easy mission for you (that's what you think).
When you arrive at your mission site you can see that there a few monster and machine here waiting for you.  By the time you reach the base you find out that the information about the base location you have on your mission right now is wrong  and you need to find out where the real base now to destroy it.
As you go deeper and deeper the monsters and machine you encounter become more numerous and powerful as well. Then you think that this mission is not for you and start calling it trash mission because there's no way to drop it now

Movement

A, D - Moving Player Horizonal
Left Mouse - Fire
W, S - Fire Up, And Fire Prone 
Space - Jump
Space - (In Air) Air Jump        

Old Level 1 

 Old Level 2 

 Old Level 3 

Old Level 4 

Old Level 5

Old Level 6 

New Update

Change Background on Level 1 to 6
Add new enemy on Level 4 and 5
Change some Image on dialogue when player, npc and enemy are talking