This achievement broken. I've done it multiple times without getting it.

How can I unlock it? It seems that a bird can be killed by boss,I try to save it by using firecracker,but it doesn't work,any idea?

I want to get more achievements on my profile so I decided to play this game because I had 0% on it, but I have no clue what I have to do. I throw packages into windows while a timer goes down. The packages don't get counted as being in the window 90% of the time, no matter how much I try. It either flies past the window without doing anything or it just doesn't reach the window at all and it hits an invisible background. Sometimes I also randomly die even though I haven't hit anything and my timer is stil...

Does anyone know how to unlock this? I've tried a few ideas but nothing seems to be working.

у меня в глазах плывёт ,я взял топ 45 и даже не видел ещё трёх боссов , слишком сложное получение достижений или сделать окно где можно по желанию открыть все достижения сразу ) я бы приобрёл все игры ваши такие...