I had this GI Joe game as a young child. I sucked ass at it but played it a bunch regardless. Then the day came when I figured out how to actually win the walking levels. I was soooo pissed when I discovered you couldn't actually beat the game and someone always escaped.
I beat this game many years ago as a wee lad multiple times. I'm pretty sure the boss on the tiger level you can use the up down ability behind the boss if you space it right as the hitbox for the ability is larger than the one for your character to take damage. I don't believe I ever used the little slow wavy ball on him. Plus you dodge all the crap he shoots out front. You just have to time your attacks right and duck when he floats low.
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