Soundtracks that defined the Genesis sound and pushed the soundchips to their limits. I've tried to group similar vibes near one another. My personal favorites from each, listen to the other tracks as well!
Gauntlet IV — Transparent Obstacle
Composed by Hitoshi Sakamoto and Masaharu Iwata
Dr. Robotnik's Mean Bean Machine — 2 Player Vs.
Composed by Masanori Hikichi, Masayuki Nagao, David Javelosa
Ecco the Dolphin — Opening Theme
Composed by András Magyari and Brian Coburn
Ecco: The Tides of Time — Title Theme
Composed by Attila Dobos, András Magyari, David Javelosa, Andy Armer, László Fazekas
Alisia Dragoon — Stage 6-1
Composed by Mecano Associates, Produced by Kass, Musicians: Nobuyuki Aoshima, Mamoru Ishimoda, Youko Sonoda, Mariko Satoh
Sailor Moon — Stage 2-1
Composed by Aki Hata
Ristar — Break Silence
Composed by Tomoko Sasaki, Naofumi Hataya, Masafumi Ogata
Flashback — Sound Test 11
Composed by Jean Baudlot, Raphaël Gesqua, Fabrice Visserot
The Terminator — Introduction
Composed by Matt Furniss
Alien 3 — Stage Four
Composed by Matt Furniss
Streets of Rage 3 — Moon
Composed by Yuzo Koshiro and Motohiro Kawashima
Streets of Rage 2 — Dreamer
Composed by Yuzo Koshiro
Sonic 3D Blast — The Final Fight
Composed by Jun Senoue Tatsuyuki Maeda Seirou Okamoto Masaru Setsumaru
The Adventures of Batman and Robin — Main Title
Composed by Jesper Kyd
Puggsy — The Red Woods
Composed by Matt Furniss
Kid Chameleon — Mountains
Composed by Mark Miller
Sonic 2 — Chemical Plant Zone
Composed by Masato Nakamura
Thunder Force IV — Metal Squad
Composed by Toshiharu Yamanishi and Takeshi Yoshida
Valis — Flash of Sword
Composed by Minoru Yuasa, Hiroaki Kai
Gunstar Heroes — Choose a Path
Composed by Kazuo Hanzawa
Eternal Champions — Blade's Stage
Composed by Joe Delia, John Hart, Jeff Marsh, Adrian van Velssen, Andy Armer
Sonic the Hedgehog 3 — Final Boss
Composed by Tatsuyuki Maeda, Tomonori Sawada, Sachio Ogawa, Masayuki Nagao, Masanori Hikichi, Miyoko Takaoka, Jun Senoue, Michael Jackson, Brad Buxer, Masaru Setsumaru, Yoshiaki Kashima, Howard Drossin
Sonic Spinball — Boss
Composed by Howard Drossin
The Ooze — Toxic Dump/Genetics Lab, Part III
Composed by Howard Drossin
Castlevania Bloodlines — Reincarnated Soul, Part 2
Composed by Michiru Yamane
Landstalker — A Ballad for Princess Loria
Composed by Motoaki Takenouchi
Vapor Trail — Ending Credits
Composed by Hiroaki Yoshida and Tatsuya Kiuchi
Thunder Force IV — Silvery Light of the Moon
Composed by Toshiharu Yamanishi and Takeshi Yoshida
Robocop vs The Terminator — ANGEL
Composed by Matt Furniss
Earthworm Jim — Sea Tunnels/Level 5
Composed by Tommy Tallarico
Comix Zone — Episode 1, Page 2-2
Composed by Howard Drossin
The Ooze — Toxic Dump Parts I & II
Composed by Howard Drossin
The Hybrid Front — Opening Theme
Naofumi Hataya, Junko Shiratsu, Sachio Ogawa
Virtua Racing — Replay
Composed by Takenobu Mitsuyoshi, Naofumi Hataya, Tomoko Sasaki
Truxton — Crisis
Composed by Masahiro Yuge
Outrunners — Speed King
Composed by Hiroshi Kawaguchi, Takenobu Mitsuyoshi, Takayuki Nakamura, Tatsuya Kouzaki, Junko Shiratsu
Toejam and Earl — Rapmaster Rocket Racket
Composed by John Baker
Toejam and Earl 2: Panic on Funkotron — Peabo's Party Jam
Composed by John Baker
Rocket Knight Adventures — Traps
Composed by Masanori Oouchi, Aki Hata, Michiru Yamane, Masanori Adachi, Hiroshi Kobayashi
John Madden Football '92 — Title Theme
Composed by Michael Bartlow
Ecco the Dolphin — The Vents
Composed by András Magyari and Brian Coburn
Monster World IV — Heart of Icegrave
Composed by Jin Watanabe
Columns — Clotho
Composed by Tokuhiko Uwabo
Columns 3 — Column Dive
Composed by Morihiko Akiyama and Tokuhiko Uwabo
Golden Axe II — Ravaged Village
Composed by Naofumi Hataya
Gain Ground — Present Age
Composed by SZK
Gleylancer — Stage 01
Composed by Yoshiaki Kubotera, Masanori Hikichi, Isao Mizoguchi, Noriyuki Iwadare
Super Hang On — Outride a Crisis
Composed by Katsuhiro Hayashi, Koichi Namiki, Sachio Ogawa, Hiroshi Kawaguchi
Augusta — BGM6
Composed by Shigekazu Kamaki, Yumi Kinoshita, Shunsuke Minomiya, Akira Tamada, Yusaburo Shimojyo, Hiroshi Morita
Side Pocket — Chillin'
Composed by Emi Shimizu and Masaaki Iwasaki
Ball Jacks —Ending Theme 1
Composed by Yoshinori Kawamoto and H. Umino
Shinobi III — Shinobi Walk
Composed by Masayuki Nagao, Hirofumi Murasaki, Morihiko Akiyama