Old but still good: the soundtrack of “incoming” by rage software
https://www.youtube.com/watch?v=MM0xx94Q_Ik
good memories 
Anything from Zelda is awesome, Lost woods theme, gerudo valley, … I could name 10 more
Both of those make excellent ringtones as well. 
Half Life 1 H.E.V Suit Music and Super Mario 64 main theme.
planet hell is some good video game music 
New Super Mario Bros Wii - Underground 2 Theme - https://www.youtube.com/watch?v=HPL2sMpO6Jw&feature=channel
I like the fiery feeling this theme gives me.
i would have to say halo 3
DeusEx, Mechwarrior, Mafia, StarCraft, Assassins Creed…
Indecision from MechWarrior 4: Vengeance. Piece of art. https://208.53.138.111/soundtracks/mechwarrior-4-vengeance-original-soundtrack/cpdbplncsz/05-indecision.mp3
Sim City 3000. Downright good music, even when separated from the game it is a part of. A mix of classical jazz, techno, and instrumental Broadway-style songs. An almost complete list to download can be found here: https://simcity.ea.com/coolstuff/sc3k_music/index.php
A close second is the music of Sim City 4. Good luck finding those to download, but they’re worth it.
As for oldish music, I kind of like the songs found in The New Tetris, and Blast Corps.
If we include remixes, then there are some downright badass piano arrangements of Cave Story played by some Japanese guy: https://www.e-moe.net/~pripas/cave/cave.html
(you shouldn’t have trouble finding the WMA files to download).
Even older, I kind of liked the music from the Jurassic Park game for Game Boy.
Oh, I forgot about this. The original Star Fox music is better. Especially the Venom Highway song and the Space Armada song.
Also Ikaruga and Radiant Silvergun.
Obligatory One Winged Angel (FFVII), how hasn’t it been said yet
Yeah you would say that because you’re an idiot.
:facepalm: :hmph:
Final Fantasy VII, Final Fantasy Tactics, Metal Slug, Samurai Shodown, Darkstalkers, Street Fighter, Kirby Superstar, Silent Hill, Beatmania IIDX, Touhou Project, Half-Life, Command & Conquer.
Super Mario Galaxy 2 - Sky Station Theme 1 - https://www.youtube.com/watch?v=dYP0z0igjz0
Awesome, just awesome.
When talking video game music two tracks come to mind for me. First it’s the moon stage in Duck Tales on the NES. It’s a good song but I can’t be bothered to find a link to it.
My all time favorite on the other hand is the theme song from one of my favorite RPGs, Deus Ex. It’s just so awesome, and it sticks in your head for days. Here, listen: https://www.youtube.com/watch?v=ZCk8ByyCsks
Speaking of NES games, BattleToads and Bayou Billy both had bitching soundtracks.
-Half-Life: Nuclear Mission Jam: https://www.youtube.com/watch?v=MpNXztu9ndM
-Half-Life-Guitar Ambience: https://www.youtube.com/watch?v=fkZfTnHAfGM
-Half-Life-Cavern Ambience: https://www.youtube.com/watch?v=oLxu2W9k5eU
-Half-Life-Hard Technology Rock: https://www.youtube.com/watch?v=RixtLkhWe7E
-Assassin’s Creed-Entering Jerusalem: https://www.youtube.com/watch?v=9qX_WOD4EaI (simply beatiful :3)
-Prince of Persia: Sands of time-Time only knows: https://www.youtube.com/watch?v=E6fAGiKVVt8
-Prince of Persia: Sands of time-Discover the Royal Chambers: https://www.youtube.com/watch?v=cT8lU54GwMk
-Prince of Pesia: Warrior Within-Welcome Within: https://www.youtube.com/watch?v=E0pghT4WOMg
-Prince of Persia: Warrior Within: Tower Encounter: https://www.youtube.com/watch?v=uoQ_ojQo5ok
-Prince of Persia: The Two Thrones-I still love you: https://www.youtube.com/watch?v=dE9yAR-gZRw
-Day of Defeat: Source-Beta Theme: https://www.youtube.com/watch?v=kSL23jFDhVU&feature=related
-Half-Life 2: Triage at Dawn: https://www.youtube.com/watch?v=JXORDZt5Rfk
-Half-Life 2: The Innsbruck Experiment: https://www.youtube.com/watch?v=UUjS9peKAn4
-Half-Life 2: Aphrension and Evasion: https://www.youtube.com/watch?v=zlD5uvOt_Sw
-Half-Life 2: Lab Practicium: https://www.youtube.com/watch?v=0GBOgYvJpAw
-Half-Life 2: Particle Ghost: https://www.youtube.com/watch?v=5TJqOHC7ycE
THIS and also any other piece of the Morrowind soundtrack.
Fable also had a great soundtrack: https://www.youtube.com/watch?v=xz6Y7gisfWc&feature=related