Also known as: HoN
Heroes of Newerth (HoN) was a multiplayer online battle arena (MOBA) video game originally developed by S2 Games for Microsoft Windows, Mac OS X, and Linux. The game idea was derived from the Warcraft III: The Frozen Throne custom map Defense of the Ancients and was S2 Games' first MOBA title. The game was released on May 12, 2010, and re-released as a free-to-play game on July 29, 2011. On May 5, 2015, Heroes of Newerth development duties passed to Frostburn Studios, with the development team moving over to the new company. The service ceased operations on June 20, 2022.
SOURCE: https://en.wikipedia.org/wiki/Heroes_of_Newerth