>>> Journey has a pretty unique and great soundtrack:
>>> Amnesia - The Dark Descent has this nice track:
(and also a lot of terrifying and scary ones )
>>> Payday has 3 decent tracks imo:
>>> Payday2 is not a good game imo, but some tracks from is are good.
I'm just gonna leave a couple examples:
https://www.youtube.com/watch?v=EPhVCcHhqaI
https://www.youtube.com/watch?v=t-J10SjH_rI
Notable tracks: The Gauntlet, Breach 2015, Blueprints (Old Version), Blueprints, Death Wish, Wanted Dead or Alive, Sirens in the Distance, Black Yellow Moebius, Freeze, The Mark, Full Force Forward, Tick Tock, Razormind, Calling all Units, Mayhem Dressed in a Suit.
>>> Plant Tycoon is a great little game with 5 Superb and chilling tracks:
https://www.youtube.com/watch?v=JwENWzZymlw&list=PL4E8zDK_orHHH2stpS-CpMgJCvs3SgI-l&index=1
>>> Starbound has some great tracks:
https://www.youtube.com/watch?v=ZEEuw-QM6bE
https://www.youtube.com/watch?v=hhhkf0_lOMw
https://www.youtube.com/watch?v=GRBuBYafMJg
https://www.youtube.com/watch?v=6DelxiGwpFg
https://www.youtube.com/watch?v=7tN8inb8QkQ
https://www.youtube.com/watch?v=eVyUNlR6Obc
https://www.youtube.com/watch?v=W9uaIZ8VjKI
https://www.youtube.com/watch?v=UgMSWQyGMec
https://www.youtube.com/watch?v=yBiLIhluypQ
https://www.youtube.com/watch?v=G1myOnrW2mQ
>>> Myst 3: Exile has this decent track:
https://www.youtube.com/watch?v=KAcBIlTnINQ
>>> Uru has a really really unique and awesome soundtrack:
https://www.youtube.com/watch?v=SI7NS5qEh-M&list=PLC41FCAE79A15BBB2
Notable tracks: Beyond Gira, Out Of The Hive, Badlands, Gallery Theme, Convergence, The Well, Spore Me, The Vault
(if anyone knows some more music that is similar to this, please send it to me.)
>>> Twisted Metal has this cool track:
https://www.youtube.com/watch?v=rAa06tjWNQ8
that is a remake of this Buckethead song:
https://www.youtube.com/watch?v=At5a0oqmcFc
>>> Samorost 2 This track is great:
https://www.youtube.com/watch?v=CiAsCTl7pU0
>>> Samorost 3 OST is great:
https://soundcloud.com/floex/sets/samorost3-pre-remixes
>>> Machinarium soundtrack is Great!:
https://www.youtube.com/watch?v=03l0ksPHYG4
notable tracks: The Bottom, The Sea, Clockwise Operetta, Nanorobot Tune, Mr Handagote, The Furnace, The Black Cap Brotherhood Theme, The Glasshouse With Butterfly
>>> Ink has some great tracks: (this is a movie soundtrack)
https://www.youtube.com/watch?v=agI1e1BUKIw
https://www.youtube.com/watch?v=9S6vc-9oZV8
https://www.youtube.com/watch?v=sO50-_njp0s
https://www.youtube.com/watch?v=7lqFWu0qeyY
https://www.youtube.com/watch?v=IzjYXMJIORA
https://www.youtube.com/watch?v=nhsxhCzeFPc
https://www.youtube.com/watch?v=wrvw7Jhi08c
https://www.youtube.com/watch?v=_6XLtTEcHiM
https://www.youtube.com/watch?v=0spEkQhb-Lo
https://www.youtube.com/watch?v=PJptwx_n0a4
>>> Bastion soundtrack is mostly awesome:
https://www.youtube.com/watch?v=oLA0vB9LCTM
>>> FTL soundtrack is pretty good. Here is an example:
https://www.youtube.com/watch?v=l1J-2nIovYw
It also has the Advanced Edition Soundtrack for free here:
https://benprunty.bandcamp.com/album/ftl-advanced-edition-soundtrack
>>> Godzilla Unleashed has 4 great tracks imo:
https://www.youtube.com/watch?v=nl5K_s07Q4o
https://www.youtube.com/watch?v=_r7I7bsbN-8
https://www.youtube.com/watch?v=ETP04LeT_Xo
https://www.youtube.com/watch?v=EkFVb4Y6Xyk
>>> In Uchronia - Iron Squid & Iron Squid Chapter II:
These are not game soundtracks or movie soundtracks. These are Tournament soundtracks...
Yes. They make soundtracks for tournaments. And it's awesome. (mostly for Starcraft II)
I'm just gonna leave a couple examples here:
https://www.youtube.com/watch?v=POFjVQ65qlA
https://www.youtube.com/watch?v=KvWe5VwxF88
https://www.youtube.com/watch?v=C-o-Y0rnTYk
https://www.youtube.com/watch?v=ns_cEOB2FXM
https://www.youtube.com/watch?v=PMebrtpKAeY
https://www.youtube.com/watch?v=VACybSTIRoc
https://www.youtube.com/watch?v=ZLJl9-CnVWQ
>>> Killing Floor; I found 6 decent tracks:
https://www.youtube.com/watch?v=X0BHO9Mc6Eo
https://www.youtube.com/watch?v=dE9b8AUojG8
https://www.youtube.com/watch?v=vg8SQvJ7Lc4
https://www.youtube.com/watch?v=ePDmgIYuSn8
https://www.youtube.com/watch?v=AIvR0BCiOtY
https://www.youtube.com/watch?v=A7qXcu9NYO0
>>> Kung Fury OST. Movie soundtrack.
Must see the movie if you haven't already
https://www.youtube.com/watch?v=Sw9uicEGjGw
>>> The Day The Earth Got Mooned
Now here is something probably nobody heard about before:
https://www.youtube.com/watch?v=6DEncOdQEbg
https://www.youtube.com/watch?v=pMC_Suvg8tY
https://www.youtube.com/watch?v=BV0u0_ynxf0
download link here: http://jimmakesgames.com/mooned/
Take a look at the guy's other works who made this soundtrack because it is truely awesome.
link to his channel: https://www.youtube.com/channel/UC15wUxbJnbZzUTMQP831lqw
>>> Tekken Blood Vengeance has 4 good tracks:
https://www.youtube.com/watch?v=8vHZ6HMIdgQ
https://www.youtube.com/watch?v=ral6l3rnntk
https://www.youtube.com/watch?v=fSXHvo6iFLw
https://www.youtube.com/watch?v=GNgVhzX8KZk
>>> Cube has a pretty nice soundtrack:
https://www.youtube.com/watch?v=c7Ph1PhKaQM&list=PLRtaAHG_k8HAl9bffntN4Jd4j_Q3ZN9SG
You can download the tracks in better quality from here:
http://www.last.fm/music/Marc+A.+Pullen/Cube
click on the tracks individually and then "Download via Last.fm" on the right side.
>>> Eufloria has a unique and neat soundtrack if you are into this kind of music:
gonna link a few tracks:
https://www.youtube.com/watch?v=GaslQm_ehq4&index=1&list=PL1895C39FAFB8963F
------------------------- You probably know about the following ones -----------------------
>>> Unreal Tournament 2004 has great music:
https://www.youtube.com/watch?v=1uc3P2tsjG0
https://www.youtube.com/watch?v=gvCBcnAfHFo
>>> Unreal Tournament 3 has some neat tracks:
https://www.youtube.com/watch?v=SjIliNbBDuQ&list=PL474ED7EE8E1071DD
>>> Black Mesa soundtrack has many great tracks:
https://www.youtube.com/watch?v=3C7TXzeMaBI
>>> Red Alert 2 & 3 soundtracks have many many good tracks:
https://www.youtube.com/watch?v=fqlb0p11RcE
https://www.youtube.com/watch?v=FFyzcD6SE0s