Mage War Online (MWO) is a Rogue-Lite based pixel game where the player is thrown into a random generated world filled with unique monsters. The player must kill monsters in order to obtain monster hearts. With enough monster hearts, the player can then activate a ritual to challenge the guardians. Afterwards, the player will have access to a new world filled with more powerful monsters. In Mage War Online, dead is expensive. Upon death, the player will lose everything he received during his journey.