Gems of War is a free-to-play puzzle role-playing game developed by Infinity Plus Two. Players match colored gems on a grid to generate mana, which is used to cast spells and summon troops in battles against enemies. The game features a variety of characters, each with unique abilities, and players can build their own teams to strategize in combat. In addition to the main battles, Gems of War includes various game modes such as quests, events, and PvP battles. Players can collect and upgrade troops, explore different kingdoms, and participate in guilds to enhance their gaming experience.