From the website:
So, what exactly is MacHeist? It begins with the missions…. MacHeist’s missions are an opportunity for our members to live out some of their time travel fantasies, including family secrets, hidden rooms, and a storyline packed with Steampunk intrigue, while earning free Mac software.
They are pretty serious about giving away free software.
There has so far been 4 NanoMissions and 3 Missions, and I’m done with 5 of them, and gotten some pretty cool loot. And they’re not crap software, some of them are actually pretty useful, like NetShade (it makes your presence on the web anonymous by routing your connection through a proxy server). And they give away games too, like Fractal (made by the guys behind Auditorium) and Hector : Badge of Carnage.
It’s only for a limited time, so hop over to their site, register as an Agent, download the Missions, solve the puzzles and win free stuff.
I love puzzles and I love free stuff.