They Are Billions is a real-time strategy survival game set in a post-apocalyptic world overrun by massive zombie hordes. The gameplay loop revolves around building fortified colonies, managing resources, and defending settlements against increasingly large waves of infected enemies. Players expand their base, train units, and construct defensive structures while exploring the map. The experience focuses on high-stakes strategy where a single breach can lead to a full colony collapse.
• The game is sold as a premium purchase.
• No microtransactions or pay-to-win systems exist.
• The complete campaign and survival modes are included in the base game.
• The game is designed entirely as a single-player RTS experience.
• Players manage colonies and defenses independently against AI zombie hordes.
• There are no multiplayer systems required for progression.
• Progression revolves around completing survival missions and expanding colonies rather than repetitive grinding.
• Technology upgrades unlock through campaign progression.
• Most gameplay time is spent on strategic planning and defense rather than farming resources repeatedly.
• Players must manage economy systems, unit production, and defensive layouts simultaneously.
• Large zombie waves require careful planning of choke points and defenses.
• Mechanics are understandable but mistakes can lead to sudden colony destruction.
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They Are Billions delivers a tense RTS survival experience built around defending colonies against overwhelming zombie hordes. The progression system avoids heavy grinding because success depends primarily on strategic planning and defensive layout rather than repetitive farming. The game works extremely well as a solo experience and rewards careful base design and resource management. Although the difficulty can feel unforgiving and mission structure repeats over time, it remains a strong strategy game for players who enjoy high-pressure base defense challenges.
• Players who enjoy challenging RTS survival games.
• Fans of base defense strategy against large enemy hordes.
• Players interested in long single-player strategy campaigns.
• A single mistake can cause an entire colony to collapse quickly.
• Campaign pacing can feel slow during early missions.
• Limited variety in mission structure across long play sessions.
