Oh my, where should I start? Guess I'll go with what's in my head right now. Mind you, I'm not including licensed songs, otherwise this would be full of GTA Vice City, Rock Band and Life Is Strange tracks. I'm also linking to the Youtube videos instead of embedding them so this post doesn't bring the page down.
I finished The House in Fata Morgana recently, and it's a masterpiece. The soundtrack is wonderful too, and several songs stuck with me:
"This mutilated body"
"Portrait of white"
"Everybody's crying"
"Her dying voice"
I'm also a fan of 999's OST. I'd suggest not listening to them if you haven't played the game, so you can feel the entire impact in the context of the story.
"Morphogenetic sorrow": it's so good that
the theme song includes some elements from it, making this some sort of unofficial theme song.
"Recollection": such a melancholic song. It's bittersweet, and every time I hear it I want to replay the game.
"Septenary game": it has a sort of synthwave feel that I love.
Then there's
Twinsen's Odyssey main theme. It's a remake of
the first game's theme, and I like it more. They are both so beautiful, so fantastic, that I can't help but smile whenever I hear them.
Here's to my favorite 2D platformer of all time: Jazz Jackrabbit 2. I could post the entire soundtrack, but I'll just pick my favorites.
"Carrotus": for some reason I always liked this one. It's really fun to listen to.
"Beach bunny": this makes me infinitely happy.
"Tubelectric remix": it's cool and amazing.
"Jazz be damned": the intro reminds me of "Carrotus", but it's a lot heavier. This one makes me want to grab my blaster and shoot the heck out of those mean turtles!
The
theme from Medal of Honor: Allied Assault always felt like movie material to me. It's an epic track, with a whole orchestra. Little did I know that the composer did indeed work in many movies, so my feelings weren't entirely inaccurate.
Obligatory:
"Still alive" and
"Want you gone" from Portal 1 and 2, respectively. Even though I played the first one several years after its release, I didn't have anything spoiled, so the credits song was a great surprise to me.
These two are from Super Mario Odyssey, and are among the weirdest in any Nintendo game:
"Jump up, super star!" and
Break free (Lead the way). The former is a jazzy tune that was featured, in an abridged way, in the trailers, while the latter was an awesome surprise. If you haven't finished the story yet, do yourself a favor and skip it, as the sequence where it appears is nothing short of incredible.
Sonic 2 has my favorite song in the series:
"Metropolis Zone". It's so groovy and awesome! They knew they hit gold with this one, because Metropolis is the only zone in the game that has 3 acts.
Now on to Final Fantasy, a series which I never cared for apart from a few games. I discovered these thanks to Theatrhythm, which is a fantastic gem, and it has an even better sequel (seriously, the only bad thing about it is that it renders the former obsolete due to the sheer amount of content it has, including all of its songs). FF XI's
"Selbina", FF V's
"Harvest" and FF XIII's
"Blinded by light" are among my favorites. Speaking of Square Enix,
"Calling" from The World Ends With You is also fantastic. Of course I bought it as DLC for Theatrhythm FF: Curtain Call as soon as I saw it in the store.
The Metal Gear Solid series has some killer tracks too. The first game has
"The best is yet to come" as a recurring theme, playing in key points of the story. And however much I criticize Portable Ops for being a terrible game,
"Calling to the night" is one of the most beautiful songs in the franchise, at least in my opinion.
That's all I can recall at the moment. I'm sure I am missing countless other songs, so take this post as a little window into my musical preferences, rather than a comprehensive list.