Hordes.io is described as '3D MMO / io game that can be played in your browser!'. There are more than 50 games similar to Hordes.io for a variety of platforms, including Online / Web-based, Windows, iPhone, iPad and Android. The best alternative is Agar.io, which is free. Other Hordes.io like games are World of Warcraft (Paid), Slither.io (Freemium), Osmos (Paid) and Guild Wars (Paid).
Very successful MMORPG with no monthly fees. PvE and PvP, heavily instantiated. Manageable heroes for your party as well as hero-NPCs. 8-skill-deck and attributes, changeable in every outpost to adjust Skills to play-style, team and preference. Represent entire series of Guild Wars games including Guild Wars, Guild Wars 2.
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