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App description: Flying Box is a fun game where we guide 2 boxes to avoid collision with obstacles!
With 2 selection modes of difficulties, Normal and Hard!

Normal difficulty:
- slower speed.
- wider obstacles gap.

Hard! difficulty:
- faster speed.
- moving obstacles.
- wider obstacles.

Try to get 5 medals in both difficulties!
-10 Scores, 1 Medal.
-20 Scores, 2 Medals.
-30 Scores, 3 Medals.
-40 Scores, 4 Medals.
-50 Scores, 5 Medals.

Compete with your friends via Game Center and share your best score! Have fun!

salak's comments:
I found out this variant of flappy bird, Flying Box.

Very simple UI, quite interesting, just focus on the perfect collision.

Easier than flappy bird for normal mode.
And hard mode, is way more difficult.

Flappy bird fans can try this out.