About FLATLANDSExplore a plane world covered by fog, defeat layers of enemies, and challenge the final bossThree heroes with different attributes and abilitiesResearch to unlock more cards, level by levelBuilding production lines to improve efficiencyA variety of different weapons to equip your cardsExpand outward, explore the unknown, and defeat powerful enemiesDay and night alternate, resist the enemies that invade at night, and protect the cardsCollect all resources and bring them back to the base camp