Anyone found this yet? It started today as an offshoot of Cemantle.
cemantle.herokuapp.com/pedantle
It's like Redactle in that you have to guess the words of (part) of a Wiki entry, but unlike Redactle (which displays the whole text once you have guessed the title) Pedantle lets you carry on guessing individual words after you've guessed the title, so you can 'play' for longer. Then you can click the reveal text button to see the whole entry.
It's on US time (west coast) and a new game starts at either 7pm or 8pm BST.