In addition, HoN 2.0 game enhancements/additions include:
New Hero Myrmidon:
A denizen of Newerth’s uncharted depths, Myrmidon has arisen to check the Hellbourne advance before it reaches his beloved seas. Like the ocean whose form he can take on, Myrmidon is powerful, fickle, and at times cruel. With his ability to transform into a monster of terrifying strength and power, some question where his loyalties truly lie, but his might is certainly a welcome aid to the Legion.
Interactive Mini-Map:
Fresh enhancements include an interactive mini map that lets players quickly view information about an object by rolling over it with the mouse. 
Context-Sensitive Commands:
Communicate with teammates by holding ALT and clicking on an object on the map or in the game-world itself to give commands, such as “attack this Hero,” or “defend this tower.” This unit-ping feature also draws visuals around the attack or defend targets to improve team coordination when engaging the enemy.
End-Game Achievements/Rewards:
Account experience and goblin coins will be rewarded at the end of each Matchmaking game, creating a whole new layer of depth and motivation. Players may redeem these rewards in the In-Game Shop.
Message from S2 on the uniqueness of Heroes of Newerth
HoN stands apart from other multiplayer and action-RPG games because of its session-based game approach, combining all the positive elements of an MMO or action-RPG into one single session for a more intense experience.
One of, if not the, most appealing part of a MMORPG, is the ability to unlock more content through advancement and progression within the game. Heroes of Newerth allows players to condense the MMORPG experience into a short session of about an hour, during which they get to experience all of the key points of RPG progression: the beginning phase in which you’re weak and have limited options, the steady growth, the rise to ultimate power, and the comparison of your power with other players. After you’re done, you can start all over again, with a different character, or even the same one, and you’ll have a completely different experience due to the multiplayer, PvP nature of HoN. Each game lets players experience the progression process, which is often characterized by extreme highs and lows in a short period of time. HoN is the perfect mix of building up for the future and indulging in the immediate, which is why it’s been so successful in appealing to a wide audience of the patient, impatient, and the straight up maniacal.
