This is the demo of the game but I think it's just a full version free for use during 2 days (Steam offer).
Old test results
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Selected Test Results (selected in 'Test Results' table below)
Everything (playing online, creating a server, customisation) but not flowlessly (see what does not work session).
What does not
The game has a decent framerate on my computer (laptop, NVIDIA 7300Go, 1024Ram...) but I think that the command of the game are manage on the server side and not on the client side.
I had a very high ping, so the kart were not responding well, it was very hard to play. I don't think the high ping is comming from my connection cause I'm in france and wes connected to a french server and I have a very good connection (~20MB).
I try to create a server and it was much better but not so playable though.
I think my commands were like "inverted" one time, it's maybe an input bug.
What was not tested
I didn't try all the map cause I didn't play long (10minutes).
I rate the game only silver cause even if it install flawlessly (if you have configured steam like this guy http://www.ulyaoth.org/forums/viewtopic.php?f=79&t=5) it not really playable.