Synergy – This is one of the most popular modifications for Half Life 2, as it allows you to play the game in co-op. By joining a company of up to 4 people, the player has the opportunity to take part both in the levels of the main story campaign and in special cooperative modes. Some of them have similarities to the classic battle royale, where you need to destroy the opposing team.

Basically, the mod is designed to have fun in the company and spend time in the world of your favorite universe without restrictions. Clearing out clusters of headcrabs or getting into the very center of a kind of anthill is much more fun in a small squad, talking to each other. The overall immersion can take more than an hour, and given the number of special modes and support for other popular modifications like Riot Act, you can get stuck for a long period even with a random selection of users.

In general, Synergy completely preserves and leaves the original mechanics. All the same types of weapons and equipment still remain in the consolidated access. But now, instead of alien creatures, you can fight with other armed soldiers or compete to see who will become the only survivor. Moreover, not all rounds have time limits, which means that such a competition can last for quite a long period until one of the opponents makes a mistake.