The third game in the Goocubelets series free this time. Be quick before the keys run out. Has trading cards.
http://store.steampowered.com/app/431270/
How to get the key:
IG has now got some requirements to be fulfilled before you can get the free key. Those are:
Steam account linked to your Indiegala account
Steam account is a member of the IG Steam group
Steam account must be set to public
The procedure to get the key itself has remained the same:
click on Claim Giveaway button
log in to your IG account
do the captcha
click on the "Claim Free Copy" button
do captcha again (if necessary)
claim your key in your IG account (under IG Giveaways).
redeem key in Steam client
Enjoy
From the Steam page:
"Billions of year ago in a faraway goolaxy living organisms were combined with the goo nebula formulae. And the Algoorithm was created. Time has passed, and the Algoorithm remained incomplete… You are given a chance to solve the last 50 equations! But be careful, even a small mistake could end everything! Give it all you got and complete the Algoorithm once and for all! Become the Goomaster and be ready to face the final equation - the MASTEREQUATION… In all the GooUniverse, you were the choozen one… "
Unable to claim. Keep getting SyntaxError messasge.