I have always been interested in learning more about flock simulation so this caught my eye. The low-poly visuals and the simple, soothing sound is really nice and fits the gameplay pretty well. The birds feel pretty natural in how they form a flock - it doesn't feel gamey or artificial but at the same time it feels responsive enough which seems like a hard balance to get. I feel like that's a hard thing to notice but it's probably one of the most impressive things to me :). 

The only thing that holds this game back is for me personally the game lacks purpose / a goal. This game takes the endless mode approach, so the satisfaction has to come from the inherent satisfaction that comes from maintaining and growing the flock. I would compare it to agar.io but less stressful. I could see a lot of people enjoying this as a tranquil endless game to blow off steam. But for me, some kinds of in level goals, enemies, or a level-based game that used the same mechanic would be a lot more satisfying. So there is nothing wrong with what you have here, I just think I am not in your target audience :). 

Overall though, this is a fantastic submission for a 48 hour game jam and I think you should continue working on it. You could keep the design as is and just add more to it and keep catering to the tranquil-loving audience, or you could make it more level-based or slightly more stressful gameplay, and I could see it being successful either way.

I would love to have your rating / comments on my game as well, so I can know what to improve.

the dark souls of causal bird games. lol loved the visuals and the idea. thought it was a great use of the theme. great work

This is amazing!!! I really really love how the game feels sort of never-ending with the camera pulling out when you're all out of birds and then pulling back in without having to cut to a new scene. It's really seamless! And the flock AI is so believable!! Excellent work all around

Unbelievably, this game gave me both relax and thrill. Great!

Relaxing & pleasing, with very good graphics ! 5/5

Fun game, I really enjoyed how the movement felt , especially when moving the mouse in a circular motion. 

Very interestinc concept of flock system, nice game for relaxing!

Really good game! Love it. Also the fact, that you can't stand still, since they increase the radius is great! Good job, very fun game.

I love birds! This flock mechanic was really enjoyable, great job!

Nice execution on an already cool concept! While it's a bit easy to find a dominant strategy (got up to 50+ birbs the 2nd time around), it did hook me for a good while and it's a neat time-killer.

Very nice presented game.  I like the movements of the birds a lot.  A less zeppelins and maybe some hints where they appear and it would be a very relaxing experience.  It could be extended to fly through some generated landscape making it visually very appealing and even more relaxing.

That was a fine game! I think more clouds would be great to predict where are the balloon going. I really like the sounds overall, and the birds behavior even if a bit too chaotic was cool to look at.

PS: My high score is 15 I TRIED

The flock movement looks really great and the art style is clean aswell. nice game!

Super relaxing. Props to the one that designed the shadows on the clouds really helpful for predicting the balloons.  Good job !

relaxing music and a wonderful game

Loved the music, this game gives a very calm vibe, i enjoyed it alot. Congraulations!

Music fits well with the game! Art style is amazing.

I LOVE the low poly art style! And however you did the birds flying around the mouse, the AI is great! Good job all around!

I wondered if anyone else would do flocking considering the theme! I like how chilled out this is despite also being challenging.