Pixel Puzzles 2: Birds (Steam key/Region free).

http://store.steampowered.com/app/344230/
Featuring some truly fowl images indeed. Pixel Puzzles 2: Birds is a traditional style jigsaw puzzle game, with crabs scurrying around so WATCH YOUR FINGERS!!!

The Pixel Puzzles series has been treated to a complete rebuild from the ground up, resulting in Pixel Puzzles 2 being a much smoother more refined gaming experience.

So, what to do about those pesky crabs? Rather than giving them a squish, throw them in a cage. Collect and consume your little shelled friends to gain special puzzle solving abilities, with the crab grabbing power up system. Go catch them critters, they’re hiding under the pieces!
Features:
25 puzzles in a range of sizes from 60 to 350 pieces.
Auto saving, never lose your progress.
Relaxing atmosphere.
Traditional puzzle gameplay.
33 Steam Achievements.
Puzzle piece rotation.
Interactive play environment.
Beautiful photos of birds, taken in the south atlantic.
Power ups to help solve puzzles.