Alien Swarm vs Day of Defeat: Source
A side-by-side look at Alien Swarm and Day of Defeat: Source. For an in-depth review of either product, follow the links below.
Alien Swarm
Games
Alien Swarm is a free-to-play cooperative shooter video game developed by Valve Corporation. Players team up with up to 3 other players to fight off relentless swarms of aliens using a variety of weapons and equipment across a number of campaign missions.
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Day of Defeat: Source
Games
Day of Defeat: Source is a multiplayer first-person shooter video game developed by Valve. It is a remake of Day of Defeat with improved graphics, new levels and gameplay features, set during World War II.
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