Grow your own tribe from first human-primates era to a first recognized ancient civilization. Develop your primitive encampment to a flourishing place. You need to grow population, manage workers, research technologies.
Choose your antibiotics wisely to fight off the infections and save your patient. A fun way to relax and without you knowing it, you'll maybe even learn something useful.
You're in control of a Red Cross base camp and your decisions can be life saving. ERU is a simulation game, made with the help of Red Cross specialists.