Adds new maps, 8 player support, deathmatch, single-player, Antlion Guard into Alien Swarm without changing its concept.
Adds updated version of Biogen Corporation, restores medgun functionality, improves onslaught hordes, fixes bugs and improves some maps. Requires 1.17 or 1.18 version installed. Extract this archive into sourcemods folder, delete reactivedrop -> addons -> biogen_corporation.vpk
Guess I'll be the one to say it then, Thank You for continuing to update and improve this game. :)
Really excellent work. I must bring back my friends on this.