Несколько лет назад пытался составить список прекрасных но малоизвестных игр. Получилось так.
Правда я не брал почти obcure шаровары и фривары, то есть это в целом приличные игры все)

Pinball Quest
The Cliffhanger: Edward Randy
Crystalis
Centurion: Defender of Rome
Heart of China
Road Avenger
"Змеиный бой"
Monsters In My Pocket
Shin Megami Tensei 2
Skitchin
Bloodnet
Batman Returns (dos)
Nosferatu
Beyond Oasis
General Chaos
The Horde
Pac-Man 2: The New Adventures
Policenauts
Penn & Teller's Smoke and Mirrors
Daedalus Encounter
Terranigma
Ai Cho Aniki
Tyrian
Bad Mojo
Toonstruck
Braindead 13
Fox Hunt
Pocahontas (genesis)
Monstania
Last Express
The Experiment (eXperience 112)
Galapagos: Mendel's Escape
Blast Corps
Expendable
Elasto Mania
Shadow of Destiny
AxySnake
Gitaroo Man
Deadly Rooms of Death
Ninja Five-O
Simpsons: Hit & Run
Republic: The Revolution
Tradewinds
Ballance
Zzed
BeTrapped!
Gish
Grow Cube
Clash N Slash
Façade
Four Second Fury
Heroes of Annihilated Empires
The World Ends with You
5 days a Stranger
Aquadelic GT
Karoshi Factory
Today I Die
Hammerfight
Dead Space: Extraction
Tasty Planet: Back for Seconds
Hysteria Project
The Act
Tiny and Big Grandpa's Leftowers
Sine Mora
Knytt Underground
Adelantado Trilogy
Tetrobot & Co.
Realm of the Mad God
Lumino City
Mushroom 11
Fiber Twig - Midnight Puzzle
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Если еще брать инди последних лет и не трогать мобильные игры, то я бы добавил следующие:
Toadled
Princess Remedy
The Adventure Pals
Yoku's Island Express
Cross of the Dutchman
Leo's Fortune
Garage
Omensight
Fairune 
League of Mermaids
Fenix Box
Icycle: On Thin Ice
Nova-111
SPACEPLAN
Lost Orbit
Moto RKD dash
Geostorm
Thirty Flights of Loving
Steampunker
Fortune-499
Subject 13
Reventure
Wormster Dash
Quest Hunter
The Treehouse Man
Construct: Escape the System
Dark Train
Matter
Old School Musical
Monsters Ate My Birthday Cake
Creepy Castle
Seek Etyliv
Bomb Chicken