I hope you have some time on your hands! The IDM genre had a tremendous amount of quality music through the mid 90s and early 2000s. Any list will end up omitting hundreds of great tracks. Below are are some of my absolute favorites. I tried to highlight the best tracks from the best artists as well as some of their hidden gems and lesser known artists.By request, a top 25 (one entry per artist):"Vordhosbn" by Aphex Twin

"Granular Bastard" by Apparat

"Cichli" by Autechre

"Roygbiv" by Boards of Canada

"Viimo" by Brothomstates

"Theme Song To Cex" by Cex

"Wolf" by Chris Clark

"Perlandine Friday" by Christ.

"Commuter Love" by CiM

"Vatstep DSP" by Hrvatski

"Imodium" by The Gasman

"Dreamland Geist Orchestra" by Joseph Nothing

"Utopia" by Jackson & His Computer Band

"Ready 4 Love (Fattigmannsremix)" by Kim Hiorthoy

"Starcell UK" by Lackluster

"Jewlea" by Machine Drum

"The Way The World Will End" by Marumari

"Rompatrouille" by Mouse On Mars

"Meinheld" by Mu-ziq

"This World Is Sound" by Napoli is not Nepal

"New Family" by Plaid

"Point To B" by Prefuse 73

"Razzamatazz" by Req

"Balk Acid" by Speedy J

"Massif (Stay Strong)" by Squarepusher

By artist:Acustic:Flow

Welcome

Hop

Aphex TwinAFX:Vordhosbn

Jynweythek Ylow

IZ-US

Flim

Windowlicker

On

Fingerbib

Girl/Boy Song

Logan Rock Witch

Cow Cud Is A Twin

Acrid Avrid Jam Shred

Alberto Balsalm

Donkey Rhubarb

Pancake Lizard

Xtal

Laughable Butane Bob

Arched Maid Via RDJ

Analogue Bubblebath

Polynomial-C

Apparat:Granular Bastard

Wooden

Tel Aviv

Steady Uprising

Riding

Steinholz

Silizium

Aspirin

Arcadia

ArovaneLillies

Tokyo Ghost Stories

Windy Wish Trees

Pink Lillies

Cry Osaka Cry

Instant Gods Out Of The Box

Theme

Tides

Seaside

Epilogue

Autechre:Lowride

Cichli

Pen Expers

Flutter

V-PROC

Autriche

Milk DX

Clipper

Acroyear2

Goz Quarter

Laughing Quarter

Draun Quarter

Krib

C/Pach

Eutow

Rotar

Leterel

Second Scout

Doctrine

Maetl

Blamstrain:Process

Boards of Canada:Everything You Do Is A Balloon

Roygbiv

Dawn Chorus

Sunshine Recorder

1969

Julie And Candy

Whitewater

From One Source All Things Depend

Kid For Today

Iced Cooly

Open The Light

Sandsings (a remix or Mira Calix)

Sixtyniner

Bogdan Raczynski:Untitled (I Will Eat Your Children Too B1)

Boy Robot:Likely Silly And Waterful

Brothomstates:Viimo

Mdrmx

Adozenaday

Qtio

Brothomstates Vs. Bill Yard

Capitol K:Song For Banana

City

Casino Versus Japan:It's Very Sunny

Go Hawaii

Aquarium

Cepia:Clay Face

Hoarse

Opening Parade

Cex:Theme Song To Cex

Chevron:Swimmin' Lessons

Emails & Viruses

Going Out Of My Head

Chris Clark/Clark:Wolf

Indigo Optimus

Lord Of The Dance

Diesel Raven

Shonny

Rob Lee

Holiday As Brutality

Night Knuckles

Ted

Herzog

Vengeance Drools

The Autumnal Crush

Springtime Epiphany

Dusk Raid

Look Into The Heart Now

Lady Palindrome

Friday Bread

Mother McKnight

For Wolves Crew

Christ.:Perlandine Friday

Pylonesque (Broken Mix)

Odds, Evens, And Primates

Always To Play

Vernor Vinge

Dream Of The Endless

Cordate

Spengly Bengly

Absolom (For Lucy)

Christian Kleine:Home

Handsome Used

CiM:Commuter Love

D'arcangelo:Elix

dDamage:Aeroplanes

Try Again

Liquid Words

Pressure

dDistance

Donato Wharton:Built To Fail

Is That Why Yr Still On Earth

Esem:Cee

Thinmute

Freescha:Watcha Gonna Go For It?

Come Good

The Sun Is Still

Gole

Boyrgurl

Smurf Shoe

The Gasman:Imodium

Hrvatski:Vatstep DSP

Intricate:Efforts

ISAN:Scraph

Cathart

Table Of Deciduous Species

You Can Use Bamboo As A Ruler

Joseph Nothing:Dreamland Geist Orchestra

Jackson & His Computer Band:Utopia

Rock On

Arpeggio

Radio Caca

Fast Life

Jimmy Edgar/Morris Nightingale/Kristuit Salu/Michaux:Pret-A-Porter

No Static

Optimo & Mod Conformance For Men

Dope Soft Intake

Ethno-cen

(a + b) = c - 2

Kettel:Bodpa

Kiln:Lux (RPF Rebuild)

Kim Hiorthoy:Ready 4 Love (Fattigmannsremix)

Lackluster/Can'O'Lard:"LL 12 Strateface/klc0 (07/10/99)" by Lackluster

Kvaak

Starcell UK

In Passing

ST-00:

Bothersome (Mother Mix)

Grind

Cull Streak

The Weakend State

Thor's Magic Bathtub

Me Me Me Me Me Me

September 12th 2001

Ballast

Lone:Pure White Lights

Duelling Auroras

Proper Vivid

My Eye

Summer Of Summer

Light From The Heart Nebula

A Quadruple Sky

Lusine:Ask You

Emerald

Drip

Still Frame

Machine Drum/Syndrone/tstewart:Hello My Future

Thanks Very Much

Jewlea

Nathea

Wishbone Be Broken

Pony Machine Drum Racquetball (Proswell Mix B)

Uptown

Realization

$$legs

Are I (Xela's Soul In The Machine Mix)

Count Chocula

Jigga Why?

Bill O Wads

Izeyrael (Lacklustermx)

Yo What Uh Yeah

A World Generated Every Answer For All To Know

Tedow

Marumari:The Way The World Will End

The Vaus

Rocket Summer

Meltdown Of Earth

Argonaut

Parson

Baby M

Mouse On Mars:Pinwheel Herman

Rompatrouille

Chromantic

Glim

Fantastic Analysis

Catching Butterflies With Hands

Yippie

Kanu

Twift Shoeblade

Schlecktron

Maggots Hell Wigs

Subsequence

Actionist Respoke

Mr. Projectile:You Need

Sinking

Resistance Is Fertile

Love Here

Mum:The Ballad Of The Broken Birdie Records (Ruxpin Mix II)

Mu-ziq/Kid Spatula:Hasty Boom Alert

Meinheld

Brace Yourself Jason

Mushroom Compost

Trike

Geometry (Mu-ziq remix of Jega)

Napoli Is Not Nepal:This World Is Sound

They've Never Had The Popsense

o9:Terminal Red

Penfold Plum:Metural

Plaid/Balil:New Family

Coat

Stills

Yamemm

3/4 Heart

Object Orient

Marry

Get What You Gave

Zeal

Headspin

Rakimou

Myopia

Anything

Manyme

Ralome

Spudink

Kortisin

Undoneson

Dang Spot

Ti Bom

Merck

Angry Dolphin

Choke And Fly

Point B:Negated

Prefuse 73:Desks. Pencils. Bottles

Storm Returns

Busy Signal (Make You Go Bombing Mix)

Love You Bring

Uprock & Invigorate

The End Of Biters International

Perverted Undertone

No Origin

Hot Winter's Day

Five Minutes Away

Female Demands

Radio Attack

Eve Of Dextruct

Nuno

Back In Time

Afternoon Love In

Living Life

7th Message

Smile In Your Face

Detchibe

Robot Snares Got No Cadence Or Balance

Point To B

Ra:Dr. Murkewerkdichliebe

Ev.panic

Radiohead:I Am Citizen Insane

Req:Razzamatazz

Retic:The Successful Begin Sleepwalking

Actually Everything

Secret Poetry

Richard Devine:Timach

Rubber Johnny:Drumrolypoly

Secede:Return To Island Cx

Seefeel:Spangle

Sense:Kieko

Ruminous (Ambient Mix)

Sensiva:Fussed

44100th Galaxy

Sinner DC:Wintertown

Alice

Speedy J:Balk Acid

Squarepusher:Massif (Stay Strong)

Iambic 9 Poetry

Iambic 5 Poetry

Port Rhombus

Do You Know Squarepusher?

Square Window

My Red Hot Car

I Wish You Could Talk

Tommib

Coopers World

Tequila Fish

Hanningfield Window

Kodack

Squarepusher Theme

Theme From Ernest Borgnine

Tundra

Ultravisitor

Tetra-Sync

Venus No. 17

Venus No. 17 (Acid Mix)

Steinbolt

Tundra 4

Abacus 2

Hello Meow

Subside:Scarlett's Theme

Tim Tetlow:Mind Is Moving

The Real Miracle

Venetian Snares:This Bitter Earth

Hajnal

Ongyilkos Vasarnap

Moonglow

Szamar Madar

Vorpal:Gymnopodie v1.01

Latenight Drunken Email

Precarious Arrangements

While:Shear (Fennesz Mix)

Winnie the Shit:Sorry I Shook You (Original)

Xela:My Rap

Yasume:Slowly, Clearly, and Calmly

Sing The Noises

The Prevailing Wind