Both are puzzle games, Pony Island game normally sells for $4.99 and available for both Windows and Mac platforms.
The Space Pilgrim Episode I: Alpha Centauri costs $1.99 and available only for Windows systems. Not only are these games DRM-free, they’re free for you too.
To grab these games, visit Humble Bundle page, scroll down a bit and you will notice the freebie as shown in below screenshot.
Just enter your email address and hit the “Submit” button, you will notice order complete message.
Next, check your email inbox and click the link in the email received from ‘Humble Bundle’ to Humble micro jumbo Bundle download page.
You can start downloading the games depending on your system operating system either through BitTorrent or via direct link.
The file size of Pony Island game is around 123 MB and the Space Pilgrim Episode I: Alpha Centauri game file size is around 235 MB.