Does Steam demo has free multiplayer until September too?

[Alexey85]

Or is it only if to get the game from maniaplanet.com?

[TMarc]

It is the ManiaPlanet account that has the demo limitation, not the game client

Anyways it is also written in Steam:
Recent updates
1 May
The Unlimited Multiplayer Demo extended until September 2015!
(source: http://steamcommunity.com/games/229870/announcements/)

[Alexey85]

Great. Thanks.