Help Peaches defend her planet from the waves of Robits in Dawn Patrol Games' arcade shooter, Robotanika. We also have a travel app that will help you discover amazing events around the world, and a puzzling platform game.
All app prices are subject to change at any time and without notice regardless of stated free duration. Price changes are solely under the control of the developers.
The Mystery of the Crystal Portal (Full) ($2.99 → Free, 74.7 MB): This hidden objects game has you embarking on an adventure with Nicole, who is trying to discover the truth behind her father's world-changing invention. The game includes seven picturesque environments, 22 levels to conquer along with a handful of mini-games, and free hints if and when you get stuck.
The Mystery of the Crystal Portal (Full) is available for free for a limited time. It has a 4-star rating with a total of 523 ratings.
Black Shark HD ($0.99 → Free, 175.0 MB): Jump into the pilot's seat of the Russian Ka-50 attack helicopter and roam the skies in this flight simulation game. You're able to hone your skills by flying freely over Russia or the desert. Then find out just how much you've learned by taking on the 12 challenging combat missions. The game includes realistic sound effects and flight physics, a full arsenal of weapons, and two camera options.
Black Shark HD is available for free for a limited time. It has a 4-star rating with a total of 12 ratings.
The Journey Down: Chapter One ($2.99 → Free, 395.8 MB): Follow along as Bwana and Kito try to uncover the fate of their long lost father, Captain Kaonandodo, in this point-and-click adventure game. It features gorgeous hand painted environments and a colorful cast of characters. You're able to interact with items on the screen in a variety of ways, and you can tap and drag your finger to reveal hot spots.
The Journey Down: Chapter One is available for free for a limited time. It has a 5-star rating with a total of 143 ratings.
Sullivan's List ($2.99 → Free, 124.6 MB): Discover and learn about amazing events all around the world that you can participate in with this travel app. Each of the 100 events includes detailed info, photos, tips, the origin, and how to participate. You can also add events to the built-in to-do list, and share your favorites via Facebook. The app is based on the unique story of Roy C. Sullivan, a park ranger who was struck by lightning seven times. Every time he was struck and survived, he talked about making a list of events and places he wanted to experience. He never made that list, but this app is for those who don't want to wait for lightning to strike to explore the world.
Sullivan's List is available for free for a limited time. It has a 4-star rating with a total of 16 ratings.
Blood Roofs ($0.99 → Free, 47.3 MB): Leap across rooftops and take out dreadful beasts in this gorgeous 3-D endless runner. You're able to control the hero, Jake, as he carries a wounded but heavily armed girl away from the deadly horde summoned by sinister cultists. Tilt to steer Jake and tap the on-screen buttons to jump over obstacles and fire your weapons. Collect mystic coins to unlock power-ups and additional characters. The game includes two modes, three characters to unlock, and achievements and leaderboards via Game Center.
Blood Roofs is available for free for a limited time. It has a 4-star rating with a total of 190 ratings.
The Mystery of the Crystal Portal HD (Full) ($4.99 → Free, 67.1 MB): This hidden objects game has you embarking on an adventure with Nicole, who is trying to discover the truth behind her father's world-changing invention. The game includes seven picturesque environments, 22 levels to conquer along with a handful of mini-games, and free hints if and when you get stuck.
The Mystery of the Crystal Portal HD (Full) is available for free for a limited time. It has a 4-star rating with a total of 370 ratings.
Robotanika ($2.99 → Free, 131.8 MB): Help Peaches defend her planet from the seemingly endless army of rampaging Robits in this frantic arcade shooter. Man the turret and wipe out all of the Robits in your view by unleashing powerful attacks. You're able to aim your turret by dragging your finger across the slider at the bottom of the screen, and deploy power-ups just by tapping on them. Upgrade your weapons between waves to ensure survival. The game includes two modes, 100 waves, 18 Robit units, and achievements and leaderboards via Game Center.
Robotanika is available for free for a limited time. It has a 5-star rating with a total of 10 ratings.
Black Shark HD for iPad ($3.99 → Free, 215.8 MB): Jump into the pilot's seat of the Russian Ka-50 attack helicopter and roam the skies in this flight simulation game. You're able to hone your skills by flying freely over Russia or the desert. Then find out just how much you've learned by taking on the 12 challenging combat missions. The game includes realistic sound effects and flight physics, a full arsenal of weapons, and two camera options.
Black Shark HD for iPad is available for free for a limited time. It has a 5-star rating with a total of 25 ratings.
Band Together ($0.99 → Free, 226.4 MB): Help little creatures known as Bandies survive a series of diabolical tests in this puzzling platform game. You're able to maneuver Bandies by touching and dragging them where you want them to go. You can band groups of Bandies together to move them all at once, or send them on separate journeys to solve puzzles. The game includes 30 levels, and a variety of treacherous obstacles to avoid and puzzles to solve.
Band Together is available for free for a limited time. It has a 4.5-star rating with a total of 1044 ratings.
That concludes today's issue of Apps Gone Free. If you like staying on top of these daily deals, don't forget to check out our free AppsGoneFree app. 
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