Games released in 1989 sorted by popularity

The Third Courier is an abandoned (atypical) adventure / role playing game set in Berlin during the cold war era and, of course, it's a spy game. The Third Courier was developed by Manley Associates and released by Accolade in 1989 for DOS, but it was also published for Amiga, Apple IIgs, Atari ST platforms.

Toobin is an abandoned action game developed by Domark Software and released in 1989. Toobin runs on DOS but was also published for Amiga, Amstrad CPC, Atari ST, Commodore 64, Game Boy Color, MSX, NES, ZX Spectrum. It's a conversion from a popular arcade game (at the time).

Trivial Pursuit is a popular trivia board game that was adapted into a computer game for various platforms, including DOS. In the game, players answer trivia questions from various categories in order to collect pie pieces that correspond to those categories. The goal is to collect all the pie pieces and complete a full pie before your opponents.