Top 10 Scariest Video Game Bosses

Have you ever had that one boss that traumatized you as a child? See if he's on the list here!
The Top Ten
Giygas (Earthbound)

For me, part of what makes Giygas so uniquely scary is how he contrasts with the rest of Earthbound and other bosses. The game is typically colorful, quirky, and cheerful, but the overall dark and creepy feel of the fight makes it seem so out of place. If this fight were from almost any other game, it wouldn't be as scary. It's almost the element of surprise that makes him terrifying.

It's Giygas - a being composed of all the souls and hatred of entire galaxies. May I remind you, this thing is from the fifth dimension, hosting far more power than almost any video game boss to ever exist. He can manipulate the minds of anything and everything.

May I also remind you that he literally has only one weakness. He contains so much power and hatred that he can't even comprehend himself. He cannot grasp his true form, and at the same time, neither can you. That's insane power for something to contain.

Zero Two (Kirby 64)

What freaks me out the most is the vine on Zero Two's underside. I mean, how is that even possible? Kirby is my favorite video game series, and I'm shocked to see something this horrifying in it.

Most of Kirby is a cute and quirky gaming experience. Many of the enemies, like Waddle Dee or unaggravated Scarfies, and bosses like Dedede and Paintra, are somewhat cute. But then, hidden beneath all the happy-go-lucky atmosphere, you have pure nightmare fuel.

Blood, in a Kirby game. It's so unexpected. A dead spirit that you killed... and did I mention this is a Kirby game?

Omega Flowey (Undertale)

After your first playthrough of the pixelated, whimsical, and emotional Undertale, you are taken completely off guard. You are robbed of your chosen victory by the very first thing you encounter in the game: a flower. Flowey proceeds to crash your game, "erase" your file, and force you into a terrifying battle against his final form, a morbid photorealistic mess of eyes, teeth, and vegetation. All of this happens while you are bombarded by heavy danmaku firing patterns and a chaotic breakcore track.

If you lose the battle, the game crashes again, and upon reopening, the boss battle begins once more. Nightmare fuel.

Sorrow (Metal Gear Solid)

By far one of the creepiest and most interesting boss fights. The worst part is that you suffer longer if you killed a lot of enemies throughout the game, so your past decisions come back to haunt you.

When you battle him, you see visions of the soldiers you killed. One of his moves is a screamer.

Andross (Star Fox 64)

The android form of Andross is, in my opinion, a lot scarier because once you shoot his eyes out (this is the easy part of the boss fight), he's revealed to be a giant head with creepy circuitry. I literally screamed when I saw that for the first time. It only made it scarier because I was playing the 3D version on the 3DS.

It's just a giant gorilla head with two hands that shoots at you... WAIT. When you destroy its shell, it turns out to be a BRAIN with VEINS and EYES. It seems like Nintendo really messed up on an E-rated game.

Pyramid Head (Silent Hill)

You hear a slow scraping along the floor, like metal grinding on metal. As you look toward the sound, you see a massive man in a bloody smock walk out. At his feet are hundreds of cockroaches, piling over each other in an effort to get to you. As you scream in terror, he turns toward you and stops, motionless for a few seconds. Then, he starts his slow walk toward you, and once again, you hear the sound of his massive blade grinding on the metal floor.

You race down the corridor, fearing for your life at the hands of this monstrosity - this abomination of a creature. You come to a door, and in it, you see salvation, a way to escape. You turn the handle... and it's locked. Slowly, your flashlight flickers out as you collapse to the ground, sobbing. Suddenly, a powerful pair of hands grabs you and starts dragging you away. "This is the end," you think, as you scream in denial, not accepting your impending death.

Suddenly, you're dragged into a room, and the metal double doors at its entrance are closed - not by the abomination, but by a young woman. "Get a pipe!" the woman yells as you spring into action. "Quick!" she shouts as the doors shake with the force of the man pushing against them. You finally break the pipe loose, and the woman wedges it in the door, blocking it from opening. You breathe a sigh of relief, now safe from the horrors outside. Until, once more, the scraping starts again.

"You hear that?" the woman asks. All you can do is nod in terror. The scraping stops, and for a brief moment, you dare to believe that the man has left. Then, a massive blade bursts through the door, nearly skewering you. Bugs start to pour through the hole in the door, flooding the floor almost instantly and biting your exposed ankles. The blade rams the door again and again, making the hole bigger each time. More and more bugs fill the room until the blade stops its barrage, and everything falls silent for a second.

Then, a massive arm bursts... more

Lavos (Chrono Trigger)
The Broodmother (Dragon Age: Origins)
Little Sisters (Bioshock Series)

Children possess a natural creepiness that has been tapped into for thousands of iconic horror movies and thrillers. Their presence in this groundbreaking first-person shooter, however, makes Little Damien's evil ways seem harmless enough to replace Jonathan Lipnicki in Jerry Maguire. They roam the diseased halls of Rapture with the menacing Big Daddy, and when they spot you, they order their drill-bit-toting protectors to rip out your guts and feed them back to you.

If you harvest their "Adam," they turn into wiggly little slugs. If you save and release them, they grow up to get their own reality show on MTV.

Mother Brain (Super Metroid)

The Newcomers

? Giratina (Pokémon Platinum) Giratina is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. Created by Ken Sugimori, Giratina first appeared in the video games Pokémon Diamond and Pearl, but gained prominence in the sister game, Pokémon Platinum, which it was made the mascot of.
? Guardian Ape (Sekiro: Shadows Die Twice)
The Contenders
Dead Hand (Legend of Zelda)
Blizzeta (The Legend of Zelda: Twilight Princess)

Oh, it's just a little helpless thingy - I forgot its name. NOPE. When it looks into the mirror, it will probably make you jump if you weren't expecting it.

Okay, imagine this. You walk with your girlfriend to her house. She looks into her mirror and then... NOT TAKE MIRROR!

Bitores Mendez (Resident Evil 4)
Clotho (God of War 2)
Majora (The Legend of Zelda: Majora's Mask)

After going through all the horrors in the game, defeating Majora was one of the best feelings I ever had when I first finished the game!

Elder Princess Shroob (Mario & Luigi: Partners in Time)

Seriously? I had to add this? The first phase isn't scary, but the second is just mortifying.

I give it 13 out of 10 for how terrifying this battle is! It's not just scary, but sorrowful too.

This boss is also downright hard too.

Nemesis (Resident Evil 3)
Sans (Undertale) Sans or Sans the Skeleton is a character in the 2015 RPG Undertale created by Toby Fox. He is a lazy, pun-loving skeleton who is a supporting protagonist in the "pacifist" and "neutral" routes of Undertale, and a heroic antagonist/final boss of the "genocide" route. He is known for his incredibly difficult... read more

Very definite proof that even the most easygoing and fun-loving folks can be frightening once you've pushed their buttons more times than you should have.

The Amalgamates (Undertale) Amalgamates are a group of characters in the video game "Undertale." They are created through experiments combining different creatures and objects, resulting in bizarre and unsettling forms. The Amalgamates are a reflection of the game's themes of compassion and the consequences of scientific manipulation... read more
Ansem (Kingdom Hearts)

That guy who's almost naked and attached to a giant fleshy ship thing? That's Ansem. I suggest you level up a lot before attempting this fight.

Ballos's Final True Form (Cave Story)
Baby Bowser (Yoshi's Island) Baby Bowser, referred to simply as Bowser, is the infant version of Mario's arch-nemesis Bowser, and the main antagonist of the Yoshi's Island series.

The atmosphere and the music, plus Baby Bowser running towards you - terrifying.

Shadow Queen (Paper Mario,The Thousand Year Door) The Shadow Queen is the overarching antagonist and final boss of Paper Mario: The Thousand-Year Door. She is widely considered one of the most difficult bosses in the Paper Mario series.

In other words, instant nightmare fuel.

A demon summoned by the leader of a cult, who is killed by the demon. It then possesses Peach and becomes the final boss. If you lose, the world becomes shrouded in darkness.

Hades (God of War III)

He's not really scary, just intimidating. He's actually not that hard if you've got the moves down.

Such a badass design. He's the god of the underworld, and the fight is so hard and scary.

The "Phaze Destrortur" (Radiation's Halloween Hack)

The backstory behind this thing makes its appearance even more terrifying.

At the time, I didn't know why I was so scared. Now I know...
That machine was a death trap.

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