Hackyzack is a indie platformer and action game, where you are Zack. Juggle balls with unique properties through platforming puzzles to a goal at the end of each stage. Help Zack fill his treasured book of stickers to unlock optional challenge levels, where you race against the timer to destroy targets as fast as possible.
*Note – Please note that this promotion is limited time or limit of offer keys.
You’ll find all instructions on the following page. Please read carefully!
1. When you collect five stamps on Humble Bundle, you’ll get a free Steam key for the game Hackyzack.
2. To collect all the stamps, you need to visit the Humble Store link 5 days in a row.
3. You can also get stamps by spending $5 in the store.