Eleventh day of Bithmas

The designated time for Bithmas is nearly over. One more day to go...funny enough Bithmas coincides with the Steam sale and it's almost over too. #coincidencemuch ?
In order to redeem the keys decode these clues:


$ is equal to the missing letter in this phrase: Volume is out on $laystation Vita on the 5th January, 2016
£ is equal to the missing letter in this phrase: Thomas Was Alone was developed by Mike £ithell

Thomas Was Alone Steam keys:
£J792-RYARY-QGJDE, 8AXVA-$6MVI-RAI49
Volume Steam keys:
7NGFH-V£T59-A5I$2, KZJQ8-$AHJC-E048C


Redeem from Steam now: http://store.steampowered.com/app/365770/
Once they are gone, they are gone,
but enjoy 50% off Volume and 70% off Thomas Was Alone during the Steam Sale. Volume is also currently discounted on Sony America's PSN Store.