Metal Slug 4 & 5 Cheats and Tips

Unlock Alternate Ending Sequence in Metal Slug 4:

When you have defeated the final Boss you will be taken to another room where you have to avoid explosions. If you don't escape and get blown up the ending sequence will be different.

Unlock Art Gallery in Metal Slug 4:

When you have successfully completed the game the art for the character you used will be unlocked in the Art Gallery.

When playing as snake in the tanker go to the lockers with women on them go to the one with the women in the bikini.

Open the locker don't close it flaten yourself on her then equip a gun and tap on her if it was done right you should here a weird noise.

Bend down and touch her while moving acroos the locker bent down and you should go into alert mode. Try it it's funny.