The First 32 Sega Genesis Games released in the USA - August 14th1989 thru August 1990
August 14th 1989 (New York & Los Angeles)
(mid September 1989 nationwide)
(1) Altered Beast
(2) Tommy Lasorda Baseball
(3) Space Harrier II
(4) Thunder Force II
(5) Super Thunder Blade
(6) Last Battle
September or October 1989
(7) Ghouls n' Ghosts (most likely 7th game)
(8) World Championship Soccer (most likely 8th game)
(9) Arnold Palmer's Tournament Golf
(10) Super Hang-On
November or December 1989
(11) Forgotten Worlds
(12) Rambo III
(13) Mystic Defender
December 1989
(14) Revenge of Shinobi (after Xmas if December)
January 1990
(15) Truxton
(16) Zoom!
(17) Golden Axe - Sega (Late January)
(18) Alex Kidd in the Enchanted Castle - Sega (Late January)
February 1990
No releases?
March 1990
(19) Phantasy Star II - Sega
April 1990
(20) Herzog Zwei
(21) Super Hydlide
(22) Shove It!: The Warehouse Game
July 1990
(23) Budokan: The Martial Spirit - Electronic Arts
(24) Populous - Electronic Arts
(25) Target Earth - Dreamworks
August 1990
(26) Columns - Sega
(27) Super Monaco GP - Sega
(28) Afterburter II - Sega
(29) Pat Riley Basketball - Sega
(30) Cyberball - Sega
(31) Ghostbuters - Sega
(32) Michael Jackson's Moonwalker - Sega