I would like to present you my first game - Sad Owl. Here is a Google Play copy&paste (sorry for that) link: goo.gl/PtmW1A
For sure, it was inspired by Flappy Bird, but has more advanced control, therefore, different gaming experience.
Also it has it's own Online Leaderboard not based on Google Play Services.
The game is 2D made only by Unity3d engine without any GUI plugins and extensions.
I'd be happy if you will play this game and share your thoughts about it.
Else, if you will have any questions about development process feel free to post them here.
Thanks for your attention!
P.S. Soon after release we realised the game is too hard for a lot of players. So we added new easy difficulty level! If you thought the same, go and check new game mode and share your impressions.