PC Gamer reports that Shroud of the Avatar is free to try until Thursday:

Richard Garriott's Shroud of the Avatar is free to try until Thursday

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From now through March 9, a slightly limited version of Shroud of the Avatar is free to try. Players who sign up can't swap items with other players via trade, for example, and cannot purchase or sell items via Player Vendors nor Public Vendors. Players can't own property either, interact with public chests, move or interact with items on a plot even if given permissions, or create ransom items when they kill or are killed in PvP. The free trial also prevents players from playing in Offline Mode.

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Thanks henriquejr!