native 2-player co-op in mind. You share a base and resources to fight off increasingly difficult waves of enemies—it is the closest literal "TAB with friends" experience available. Age of Darkness: Final Stand : A newer entry in the swarm-survival genre that features a co-op mode and very similar "darkness" and "swarm" mechanics. Diplomacy is Not an Option : Another RTS survival game that recently added multiplayer support, focusing on large-scale siege defense. Show more Would you like recommendations for specific custom maps that are great for competitive "side-by-side" play? AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 6 sites They Are Billions Official FAQs | Numantian Games 24 Jan 2018 —
In a solo match, the player acts as the brain and the hands. You are the mayor, the general, and the quartermaster. In co-op, the cognitive load is split, allowing for a depth of strategy that is impossible for a single player to execute.
The game features weekly challenges where the entire community plays the same survival map. You can compete with friends to see who climbs higher on the global leaderboards. 3. Mods and Custom Maps they are billions coop
While there is no "Join Game" button, the community has found creative ways to collaborate:
As the game progresses into the late game (Day 80–100), the defense requirements become overwhelming. In co-op, players often split the map geographically. native 2-player co-op in mind
However, the introduction of co-op—both officially through updates and significantly through community mods—fundamentally alters the game's DNA. It transforms a high-stakes solo puzzle into a dynamic exercise in communication, role specialization, and shared panic. Here is an in-depth look at how co-op functions, where it shines, and where it fractures.
Two sets of eyes catch infected runners much faster than one. The ability to pause (in single player) is replaced by the ability to multitask in real-time. If one player makes a mistake, the other can often salvage the situation with a reserve force. Diplomacy is Not an Option : Another RTS
Using the Steam Remote Play feature, you can invite a friend to "share" your screen. While you both control the same cursor and keyboard, it allows for a "two-pilot, one-ship" style of play. One player can focus on micro-managing units while the other handles base building and resource allocation.
To understand the co-op experience, one must distinguish between the vanilla offerings and the popular modding scene.