Abandonware DOS title

The best co-op games

Co-op (which stands for co-operative) multiplayer mode allow more than one player to play together to achieve common goals.
guerrilla-war-01

Guerrilla War

DOS19873.4/5 SNK Corporation
sarge-02

Sarge

DOS19893.3/5
flying-tigers-2-04

Flying Tigers 2

DOS19943.3/5
xerix-2-01

Xerix II: The Caverns of Mars

DOS19943/5 Twilight