How do i can get new space ships??

Like how do you keep speed on this game I feel like im super stupid or i'm being trolled I have tried every key on my keyboard and it just drops speed instantly I tried both holding and tapping every key on my keyboard.

I can't get this achievement, what's wrong with it? I tried turning on the game 20 times or clicking play 20 times and nothing. How to get it?

It only costs .99 please raise the price or you could get sued.

I tried playing the game - at first i had no idea what was going on as my ship kept coming to a stop before even reaching the first power-up to get a boost - this happens about 90% of the time. The rest of the time i barely manage to get the first speed boost, maybe a second one, but eventually quickly come to a stop again before getting anywhere. This looks like some kind of bug to me, possibly the game speed is tied to the frame rate or something (running a 144hz monitor). --------- I've intentionally ...