Alteira is a browser-based RPG (role-playing game). In this fantasy world, you have your own character that you gradually improve, fight against enemies - alone or alongside your comrades, complete daily quests and go through a story that will accompany you throughout the game. The game is played directly in a web browser, so there is no need to download or install anything, only a device with an internet connection and a web browser (for example, a computer, tablet or smartphone) is required. The game is currently available only in Czech language.