What are some alternatives?
When comparing Heroes of Newerth and Quake, you can also consider the following products
League of Legends - League of Legends is an Entertaining, Action-Adventure, MOBA (Multiplayer Online Battle Arena), Online and Multiplayer video game developed and published by Riot Games.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Heroes of the Storm - Heroes of the Storm is an Engaging, Action, Fantasy, Strategy, Multiplayer Online Battle Arena, Combat and Multiplayer video game created and published by Blizzard Entertainment.
Doom - Doom is a science fiction horror-themed first-person shooter video game in which players assume the...
DotA 2 - Dota 2 is a Free-to-play, Action-Adventure, Multiplayer Online Battle Arena, Single and Multiplayer video game created and published by Valve Corporation.
Overwatch - Stylized team-based FPS