All time high steam users logged in because of summer sale. http://www.neogaf.com/forum/showthread.php?t=846467 And PA is one of the top sellers: This must be good for Planetary annihilation EDIT: Found this chart as well. Indicating a lot of players lately: http://steamcharts.com/app/233250
PA has been the #1 Steam Top seller quite a few times already - which has pleasantly surprised me. I am pretty sure the lack of players stems from the fact that the game was very early at those times (even I didn't play it at all even though I am a huge fan), with people waiting for the final experience.
Want some selling data ? My pleasure. Have some other links on my work's computer, but can't access to it for now... Will add them if i think about it later in the week ;-)
I am not trying to be negative nancy. However, I think it might be the cost steadily going down. An expensive piece of hardware like PA, with plenty of time to sell at their expensive peak, is prime for a really steep summer sale, and that summer sale probably pushed reganomics to 11 and fetched more than the high price even, because everyone wants to buy anything worth $40 for $17. It is a fine excuse, I bought RPGMAKERXVACE for that reason and haven't touched it once. It was $20 one day when it is usually actually $80 or something.
I bought 3 copies myself, I've been waiting for an opportunity to get in PA and this was it. I have a shared account I use to let people test out the game with.