Login by 16th October to get the reworked Caliban Warframe + an extra warframe slot. It's worth it for the slot alone even if you are not interested in this frame.
Free Caliban Warframe + Warframe Slot @ Warframe
50
Check out all the latest and upcoming Free Games.
Related Stores
Comments
. To earn yours, simply log into Warframe between 11:30 a.m. ET on October 2 and October 16 at 11:59 p.m. ET to claim him from your Inbox!
Guessing you can't do it through the website and have to actually log into the installed game?