When there are too many soldiers, elite soldiers will be automatically synthesized.
Fortress of Gears is a solo, likely portrait, strategy game with short sessions and high interruptibility, suitable for quick play. While it offers a challenging experience with high replay value, progression can be heavily gated by ads and balancing issues, potentially leading to a pay-to-win feel. It's best suited for players who enjoy intense, skill-based challenges and don't mind a demanding monetization model.