Gamecode has free Steam keys for Gravity Puzzles.
Instructions:
1. Register/ login on Gamecode website.
2. Click on a giveaway and connect your Twitch, Steam and Twitter accounts.
3. Finally, there is a set of 10 tasks to complete.
Professor Watts Memory Match: Fresh Fruit
Free Gravity Puzzles Discussion: 2
Why you post this if from the start is closed?
This giveway is closed