The game appears to be unavailable for buying South America for some reason, which is strange since this is supposed to be a worldwide release. Are there any plans to make the game buyable in my region?

i live in Indonesia and the price is tough to justify :( Maybe I'll check it out again later when there's a sale.

バグの発生や、ゲームに関するご要望がございましたら、こちらに投稿ください。 なお、バグ発生のご報告に関しては、スクリーンショットとご使用のPCスペック dxdiag.exeでのデータを合わせて投稿いただけますと、原因究明に役立ちますのでご協力いただければ幸いです。...

"Destroyer" is a hidden achievement, with the description reading "Shot down over 90% of the enemy aircraft that appeared in each mission" . I have played 'Wing of Darkness' to quite the extent by now, having unlocked every achievement apart from "Destroyer" (and being hit 1000 times), so I'm a bit unsure what the unlock conditions for this achievement are. - does the player have to shoot down 90% of the enemies per mission in one single campaign playthrough (similar to the "Wings of Ste...

When can I play it？