Who doesn't love a good bout of multiplayer gaming with friends? Trading stories and taunts over K/D ratios sure is enjoyable, but it's the single-player experiences that really show us what this platform is capable of when it comes to storytelling. And from those stories, we develop bonds with some unforgettable few characters, but what's surprising is that a lot of times, they're antagonists, too.

Some villains slip away into obscurity because they were merely tools for the script to make things happen, but others carve themselves into our memories, becoming inseparable from the games. Be it through fantastic performances, morally gray, thought-provoking motivations, or brilliant writing, these characters continue to haunt our memories because while they were unbeatable, they sure were unforgettable.

GlaDOS — Portal series

Her often-unwise decisions humanized her

After SHODAN from System Shock, it was GlaDOS who took up the mantle of being the terrifying AI villain for an entirely new generation with 2007's Portal. Her omnipresent control over the sterile test chambers in Aperture Science is unnerving, sure, but what truly makes her terrifying is her wit, humor, and the way she toys with you like you're nothing but a lab rat.

I don't think I can recall GlaDOS ever shouting or raging. Instead, she was always just calm, carefully timing her barbs and taunts at me, all while she treated human life as nothing but expendable data. She's the perfect AI villlain, because she feels almost too human to dismiss.

Sephiroth — Final Fantasy VII

The silver-haired devil we love to hate

The original Final Fantasy VII really did a fantastic job building Sephiroth up as one of the most unforgettable video game villains in all of history. His introduction? Superb. You think he's dead, but he reappears, and it's revealed how intrinsically he's tied to the main characters in the game. At first, he's an ally, but when he begins his spiral, there is simply no end to his madness.

To this day, the visual of him walking through the flames at Nebelheim village is burned into the minds of every '90s gamer. And of course, he's also the one responsible for committing that one heinous, unforgivable act that we never recovered from. This silver-haired menace really has reached pop-culture deity status, and redefined what a JRPG villain really can be, and boy does he look good while he does it all.

Psycho Mantis — Metal Gear Solid

Creepy local man breaks fourth wall

Not a lot of video game characters, especially villains, tend to break the fourth wall, and Psycho Mantis did it all the way back in 1998. A creepy, terrifying antagonist in Hideo Kojima's Metal Gear Solid, Psycho Mantis, to this day, is downright unsettling. He read memory cards on your PlayStation, mocking you for the games you played, and the only way to beat him? Switching controller ports if you want to land a single hit.

An experimental video game character that was a success through-and-through, Psycho Mantis, with his twisted mask and weird gimmicks, was the embodiment for MGS's surreal brand of psychological warfare. Was he the flashies or toughest boss fight in the franchise? No, that pedestal is solely reserved for Senator Armstrong, but there's a reason we're still talking about Mantis almost three decades later. He rewrote the rules, and made you question their existence in the first place.

Handsome Jack — Borderlands 2

What I wouldn't have given to wipe his smirk off myself

Talking about Handsome Jack only reminds me how excited I am for the upcoming Borderlands 4, and dejected that we might never see a villain like Handsome Jack again. In Borderlands 2, I hated this guy — his taunts, his arrogance, and his bloated ego, all of which made me want to strangle him with my own two hands.

This guy was so narcissistic, that he convinced himself he was the hero and everything he did was for the greater good, and that is what really makes him so despicable. That self-righteousness that informed his horrible taunts and actions, down to enslaving an entire planet. The Pre-Sequel did humanize him a little, but for me, hating on him came so naturally that he will always remain one of the most contemptible villains in gaming.

Albert Wesker — Resident Evil series

Give him a high-five in the face with a boulder, please

I could find hatred in my heart for the very sunglasses this guy always wears in the dark — that's how reprehensible Albert Wesker has always been in the Resident Evil series. From his double-crossing reveal in the original game, to his superhuman, virus-fueled final form, Wesker may have evolved alongside the franchise, but he only grew more awful with each game. He's almost a cartoon villain, and all that Capcom needed to do was to hand him an apple to chew and spit on people.

His arrogance, too, is just so detestable, and that smug grin of his deserves a boulder straight in his face. By the time Resident Evil 5 turned him into a full-blown supervillain, Wesker had really cemented himself as the series' ultimate nemesis. All that's left now is for Anthony Starr to play him in a movie, and we'd have the best possible crossover for villainy.

Bowser — Super Mario

The most dedicated kidnapper of all time

Bowser is one of my favorite additions in this list, because he doesn't have a tragic backstory or psychological trauma that informs his actions. Nope, he's just the most tenacious, dedicated hater on the planet, and 35 years later, he is still finding new ways to kidnap Princess Peach. God, I love him, and he's definitely one of gaming's most beloved bad guys. Does he ever stop abducting Peach? No. Does he ever learn? Also no.

One moment he's smashing through castles and breathing fires, and the next? He's kart-racing and playing tennis with Mario like they're best buds. At this point, the truth is that Bowser is simply too iconic not to include in this list, even if he might not be a true, evil villain.

SHODAN — System Shock 1 and 2

A warning of AI gone mad, well before it actually felt possible

SHODAN, on the other hand, is definitely an evil entity we can all band together to hate. Before GlaDOS became the greatest AI villain in gaming, it was SHODAN who held the title of the most terrifying machine overlord. Her coding would reveal the greatest god complex ever written, because she is evil, sure, but she's also contemptuous, and mocks humanity itself as she attempts to reshape reality in her own twisted image in System Shock.

Her voice, too, is unforgettable to anyone who played the original game, or even the masterful remake from 2023. She's even more reprehensible in the sequel, doing anything she can to survive and continue her evil agenda, and as a kid slowly realizing how terrible this entity was through the environmental storytelling in the game, I couldn't help but loathe her for making me her pawn.

Vaas — Far Cry 3

He raised the bar for video game performances

Vaas was once considered the greatest video game villain of all time, and to my mind, he still should be. In 2012, right towards the end of the seventh generation, the bar for acting in video games rose meteorically, thanks to better mo-cap technology and more dedicated actors who weren't phoning it in (I love you, Ray Liotta, but Vercetti was not your best work).

Michael Mando, now better known for his unforgettable role in Better Call Saul, rose to immense fame because of how fantastically he portrayed the completely-nuts Vaas Montenegro, the central antagonist of Far Cry 3. Yes, you might say he wasn't 'central', since he's technically an underling, but there's no truer antagonist than Vaas, since he really was just the mirror image of our protagonist Jason Brody... if that mirror was shattered into a million pieces and pieces back together by a blind T. rex.

Vaas's behavioral quirks, his absolutely unpredictable decision-making, his own warring thoughts, and his expression of them, all came together to birth a video game villain the likes of which we'd never seen. To say that Michael Mando's performance raised the bar for all video game antagonists, and even led to scripts giving more attention to their villains going forward, is not an understatement, and to not consider him one of the all-time greats would be the definition of insanity.

Baldur — God of War 2018

You can't help but feel for him

I've loved Jeremy Davies ever since I saw him in Lost, but it was his work as Baldur in 2018's God of War that truly shined well above so many of his roles. A completely invincible god who has lost all compassion and emotion simply because he's invulnerable to any kind of feeling itself is a rather well-written character, and Baldur's voice in every sentence drips with that half-hidden pain and exasperation.

Plus, he also had one of the greatest introductions to a character ever, where one uppercut sent Kratos flying into the sky, and we had our very first "holy crap!" moment in what would be one of the greatest first-party games on the PlayStation 4. The entire journey of the game, where Baldur relentlessly hunts you down while battling his own demons, makes for an unforgettable story, helped majorly by one of the best acting performances for a villain in gaming.

The Joker — Batman: Arkham series

A character portrayal that won't ever be topped

There's no denying that Heath Ledger defined the Joker on film, but everyone who has ever loved the animated series and the genre-defining Arkham games has always heralded Mark Hamill as the definitive Joker. The Arkham series' staple antagonist, even in the prequel and even post-mortem in the final game, Joker truly was a masterpiece of writing and performance. Hamill's cackling delivery, from dry to dark humor, always coated with a layer of intimacy for the late Kevin Conroy's Batman, is something that will never be forgotten, and nor should it.

Batman is incomplete without the Joker across all media, and in the Arkham games, Hamill's Joker was indispensable to the hero, the script, and the city of Gotham itself.