0 : Player sprites
1 : Falling soldier
2 : Basic soldier
3 : Suicide Bomber or falling soldier
4
5 : Plant
6 : Rifle Soldier
7 : Barricaded door + flame?
8
9 : Elevator 2
A : Explosion (various)
B : Laser Barrier
C : Shield soldier
D
E : BG : Map
F : Bearded Soldier boss 
10 : Crane Soldier (crane)
11 : Dwarf soldier (crane and rail gunner)
12 : Slime
13 : Remote Soldier
14 : Bazooka Soldier
15 : Heavy object throwing soldier
16 : Stone (heavy object throwing soldier)
17
18
19 : Minibot explosion?
1A : Elevator (Area 11)
1B : Helicopter soldier
1C : Wreckingball on chain
1D : Helicopter
1E : ??
1F : Construction soldier
20 : Dwarf soldier falling
21 : Minibot
22 : Moth (falling)
23 : Explosion (mine?)
24
25 : Rail Gunner
26 : Mine (Jap. ver)
27 : Knife Soldier
28 : Rocks (Jap. ver)
29 : Wired Soldier
2A
2B
2C
2D : Laser Cannon
2E : Map/Item sprites
2F
30
31 : Neutral Area guard
32 : Killt and guard (Area 15)
33 : Neutral Area Common NPC
34
35
36
37
38
39 : Pi Pi Pi
3A : Countdown digits
3B
3C : Pit Spike
3D : Master-D (device)
3E : Master-D (walking)
3F : Bubbles, lightning (Res. Device)
40
41
42
43
44
45
46 : P.O.w.
47
48 : Electric Spark
49 : Remote Device explosion?
4A
4B : Heavy Explosions (main system etc.)
4C : Barrier
4D : Barrier (alternate addr.) 
4E
4F
50
51
52
53
54
55
56
57
58 : Barricaded door
59
5A