Furi! Saints Row: Gat Out Of Hell! Paragon!
Give Epic's new MOBA a go for yourself.
Must sign up prior to 25th May.
Start playing now and carry your unlocks to the full game.
UPDATE: Microsoft responds, insists UWP is "a fully open ecosystem".
Although the game will be free-to-play at launch.
UPDATE: Epic promises never to sell card packs.
Different times eh.
Teaser reveals first playable "hero".