In the near future, high-tech and ancient horrors collide as the world teeters on the brink of oblivion. Only our hero Yoshi, with his mutant mentor Gamaji and his robotic dog Newton, stand in the way of eldritch annihilation.

Yoshi and Newton enter the Gruckezber Magtech Challenge, a corporate-sponsored technology competition drawing contestants from around the world for the 1 million credit grand prize. They soon discover, however, that this friendly game has a much darker purpose behind it…

Magrunner’s unique game mechanics focus on magnetic polarity and its manipulation to solve environmental puzzles. The potential for experimentation with polarities in the game is immense with a variety of environmental triggers, effects, machines, and objects at your disposal. The gameplay is simple yet dynamic, testing not only your reaction speed, but also your ability to think quickly to save your life!

Magrunner is free on GOG.com for the next 24 hours (until June 19, 2014 at 12.59 GMT).

Following a seemingly-crazy, but not unlikely storyline in which a Social Network company grows to be a global mega-corporation, goes into scientific research field, accidentally summons the Great Old Ones, this phenomenal title answers the question: "what would happen if H.P. Lovecraft was thinking with portals". GOG.com and Frogwares made sure the stars are aligned, and are ready to take all gamers on this incredible trip for the price of $0.00.

To match the epic proportions of this Great Old Giveaway, GOG.com has prepared 30 excellent bundle deals on some of the greatest classic and indie titles in their catalog. All of them will be available simultaneously, up to 90% off, for 24 hours until June 19 12:59PM GMT. To make things even more interesting, the store will also offer 30 Flash Deals at any given moment, with new offers coming to replace the ending ones every hour.

Get Magrunner: Dark Pulse for FREE, pick and choose out of 30 Game Bundles up to 90% off, and fish out your favorites from the rushing stream of Flash Deals, from Wednesday, June 18, at 1:00PM GMT until Thursday, June 19, at 12:59PM GMT, only on GOG.com!