Unused Graphics

What better way to start off a series than by having a heap of unused crap lurking inside? Findings are sorted by whatever graphic comes first in the tile viewer.
Props goes to Ivo Robotnik, V-King, tango_311, stoffhime1 and Magma Dragoon for finding a lot of this stuff.

Source: 6912 (8x8 view)

Not even Metal Slug escaped from William S. Sessons' campaign of drug awareness! ... except it goes entirely unused and isn't seen in-game at all. Whoops!

Source: 658

S, G, H and M icons. Placeholders or early HUD icons for the weapons, presumably.


Source: 3360

A large, rotating Nazca Corporation logo (you'll have to take my word for it on the rotating part!). The developers looked like they'd planned to make it clear as mud who was responsible for the game, but it goes unused.

Source: 4612

An elk. Presumably for use in Mission 3 or the ending movie scenes.

Source: 4694

A very peculiar sprite of an enemy soldier with a distinct uniform. No one seems to have found a fitting palette for it that colours the mouth and eye (visor?) correctly. This is the only animation it has, though they are copies of it rotated in around 32 directions.

Source: 5555

This stupid kid has appeared in all of the games' data, but not actually in gameplay. tango_311 provided the real palette.

Source: 5658

These three ladies only have one frame of animation each, and it goes without saying they're unused or else they wouldn't be on this page. It's also nigh-impossible to find decent palettes for them. tango_311 got these superior palettes for them, though the last two have rather punk colourations for rural villagers

Source: 13718

A parachute Ivo suggested belonged to a Slug. If true, there really must haven been more emphasis on the 'chutes early in production, what with all those animations for Marco and Tarma while parachuting. There's more frames, of course, but he couldn't be bothering ripping them. Wise man.

Source: 13913

The Metal Slug's vulcan cannon detached and sparking on the ground. One can assume this would happen after the tank is destroyed or during a Slug Charge attack.

Source: 21352 (crouching)
Source: 21444 (standing)
Source: 21830 (hanging)

Apparently, the Rebel soldiers would’ve also thrown those pipe bombs (the ones Marco and Tarma use in this) instead of just those slow, round, flashing psychedelic colours ones.

Source: 24383

A variant of the knifing animation with the soldier snarling happily. I almost think it's used, but we all know how many times I've been wrong.

Source: 26603

There was an entirely unused tank hidden inside the game! It’s style is very reminiscent of In The Hunt, a game made by Irem that apparently was made by the Metal Slug staff before moving over to Nazca. Ivo informed me that this tank was the Regular Army’s MBT The Sand Simon, and then flip-flopped and said it was probably just an earlier version of the Di-kokka, the rounded fat tanks. If it were a Regular Army vehicle he believes the tank should be white, like so.



Source: 28844

Apparently, you would’ve had to rescue soldiers too! However, after some research and finding some manual scans of the Sega Saturn version of MS1, it turns out that there would’ve been Regular soldiers clothed in white, who would’ve been on your side. This probably would’ve made sense, considering the ending in 2-Player mode has the soldiers dancing and celebrating in the streets, despite the fact they were defeated.
These were later used in the console ports of Metal Slug and Metal Slug 3, and were reused by the trainee soldiers in Metal Slug Advance.

Source: 30467

An unused shell found between the tiles for the short-and-blocky tank and the large-and-immobile tank (yeah, pardon me, I've forgotten all these delightfully obscure names for the vehicles). I believe these remain in Metal Slug 2 and X.

Source: 42942

What we have here is a Rebel soldier using a turret. Although they do use missile turrets in Mission 5, they don't use the same turrets you use in Mission 6. Has all the necessary animation, too.

Source: 46660

Bullet cases found near the turret sprites. Presumably a visual feature that never got implemented.


Source: 57673

I've no idea what these are; they appear to be translucent balls with roman numerals inside them. Alternate rolling bombs, perhaps?


Source: 77167
Source: 79350 (HMG)

Alternate crouch throwing animations for Marco and Tarma. These animations have last until Metal Slug 5, and even Fio and and Eri were given the animations in their debut... but not once are they ever used.




Source: 77211

Ivo found animations of the characters shooting and throwing things in many directions while in the air, but I got these and animated them. It appears that the characters would've been more flexible, turning from every angle, instead of just turning their whole body around to whatever direction.
What's interesting is that just about all of these animations are still in the game! When your character parachutes in (in Missions 1, 2 and 6), release them from the parachute, aim left, and fire. Throwing grenades also works, and the Combat School in the console ports allows the machine gun wielding animations to be used thanks to you keeping your weapon after finishing a level. The turning animations, however, simply don't exist.. Thanks to V-King for most of this info.
Some of these were reused for Glen Achilles in Metal Slug 5.


Throwing a grenade forward.




Lobbing one backward.








Turning backwards.



Turning forward.


Turning around.


Source: UNKNOWN

Alternate aiming upwards?

Source: UNKNOWN

Unused graphics for looking up and turning while shooting.

Source: UNKNOWN

An armoured car with a tank's entrance hatch and sandbags, falling. Judging from the sandbags, I'm assuming these were for the stronghold in Mission 3, but that's very little to judge off.
Ivo also made a second version with a palette that actually existed in the game, but it looks like ass in my view. Diss!

Source: UNKNOWN

This cartoony grenade-juggling monkey lurks among the HUD and the text, and appears there in just about every instalment. It's used on the loading screens of the original console ports of the first two games.


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