Players also get new items for leveling up. It is also possible for the players to unlock new weaponry for their classes by progressing through the game. Four classes are present in the game featuring eight unique characters.

Every class is proficient in their own field and has to work in a team in order to succeed in the game. The game features a class-based mechanics. For example, one of the players has to weld the door while the others cover them. The player's squad has to reach the end of the level while completing objectives, that require teamwork. The game's core mechanics are not much different from the base game. While only four-player squads were present in the base game, the limit was brought up to eight for the expansion pack. GameplayĪlien Swarm: Reactive Drop is a cooperative top-down shooter. A super elite squad was sent to deal with this problem. It got overrun by aliens who were brought to the planet for research. One planet was classified by the government for establishing a secret research base. In distant future, the interplanetary travel was finally made possible. The game combines elements from survival games like Shadow Grounds and Left for Dead.Alien Swarm: Reactive Drop is a standalone expansion pack to Alien Swarm developed by Valve. In the game, there are 4 different classes to play, each one consisting of two characters with different statistics including some class restricted weapons.ĭuring gameplay, the player will earn experience, that is used to unlock new weapons and items to use in combat. The player plays with other marines against hordes of aliens, in order to complete different objectives.

Alien Swarm: Reactive Drop is a FREEand open source cooperative top down shooter.

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