F.S.R. II
One Resort
Crescent II

Lambda
Rake Your Inside
Destination

SAYONARA Silent Night
Soul of the Ogre
Un altro appassionato

Sad Mechanism
Viva La Vida!
GO! SHUSHOU SUMMER

Unwavering Belief/Dig in Your Heels
Viper
Green Vibes

Can't Say Goodbye To Yesterday

Soldiers of the Sea
The Calling
Return of the Obra Dinn

Metropolitan Edge
I'm a Detective
DRIFT

Especially this one I could go on.

If I were to listen to one of the OSTS here in full this is my pick.

Ancient Beating
C.S.P.D -Crossbell State Police Department-
Way of Life

Whiteout
Apricot Square (Erika Ito remix)
Jack Hammer (Erika Ito remix)

Loser
Independence For Violence
D2A

Ok the soundtrack as a whole isn't nearly as good as the other games on this list but it gets this slot because of Loser

Honjitsu Wa Diamond
Hands
DESTINY

Ichibanka
War Maker
Machine Gun Kiss (Adachi)

Danganronnpa Super Mix
Argument [TURN UP THE HEAT] 2nd mix
Kill Command

Gear
Fascism
Dancers #5

Chemical Brew
Mind Parade
Overdose

The Stains of Time
Collective Consciousness
It Has To Be This Way

Phantom Pain
Sins of The Father

Snowflakes

Strepitoso Fight
Gin No Ishi Super Arrange Ver.
Gin No Ishi Kin No Tsubasa

Cry for Me, Cry for You
The Garden of Recluse

Inevitable Struggle Super Arrange Ver.
Miss You
Aoi Kiseki

Whiskey & Rhapsody
Broken Police Radio
Receive and Bite You

Debate Scrum
Rise and Shine, Ursine!
PSYCHE TAXI

Blood on the Dancefloor
Reaped by Death
Ashes to Ashes, to Ashes (To Ashes)

Enter the Gungeon

Royal Days
Take Over

A Glacier Eventually Farts (And Don't You Listen to the Song of Life)
...con lentitud poderosa
You're Gonna Need a Bigger Ukelele

JUDGEMENT -Shinpan-
Reign
Like a Butterfly, Like a Bee

Counter Strike
Daredevil
Axe to Grind

0-GRAVITY

Blood Maker

Funk Goes On

A Scattered Moment
Evil Itself

Ideal For Violence
Virtical Point
Otometal my life

Snake Eater

Burn My Dread
Changing Seasons
Battle Hymn of the Soul

Pursuing My True Self
Heartbeat, Heartbreak
The Genesis

Life Will Change
Price
Rivers In the Desert

The Silver Case
Kusabi
Public Security

Im going to cheat here and put the remaster OST seperate because there are too many greats.

Baka Mitai (Akiyama)
Vendor Pop
The Passion for Batting