Write AECHEATS while gaming to activate the codes. 

If after you write AEFA, you`ll get all the ammo with full munition
and all extras. Also you can write AECLEV and the number of the 
missionto play in it. 

(see list)

 1ª: ......................... 11                      
 2ª: ......................... 12
 3ª: ......................... 13
 4ª: ......................... 14
 5ª: ......................... 21
 6ª: ......................... 22
 7ª: ......................... 23
 8ª: ......................... 24
 9ª: ......................... 25
10ª: ......................... 31
11ª: ......................... 32
12ª: ......................... 33
13ª: ......................... 34
14ª: ......................... 35
15ª: ......................... 41
16ª: ......................... 42
17ª: ......................... 43
18ª: ......................... 44
19ª: ......................... 45