Latest pack raises $5.1 million from 600,000 downloads.
Notch adds $10k to current $3.7m total.
Psychonauts and Superbrothers also included.
Stylish indie adventure on Steam now.
Out on Steam very soon.
"Risky, innovative" titles hold far greater reward.
"The way it was meant to be."
Superbrothers soundtrack out next week.
The vernal equinox approaches.
Intriguing iOS adventure due next month.