Unlock 3 more challenging “Special” levels, one within each environment.Go back to the forest and really learn how to spin your web and swing the way gravity intended! Take this with a pinch of salt, as the level is easy to complete but ridiculously challenging to unlock your stars. Do you think you can master this?
Open the Steam client, login and locate the Games tab on the top menu. Click this and then select “Activate a Product on Steam…”
Enter your unique code that's displayed on the 'Orders' page of CDKeys.com and follow the prompts to activate.
Your game is now viewable in the “Library” tab and is available to download/install when you’re ready. You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam