"100 achievements" medal
Awesome game. Good music and sound effects. Nice collections of enemy. Their skill sets really add to the action. Only thing that bothered me a bit was that when killing the bosses for x-th time the time it takes to take him down is a bit long (especially if not well-equiped). Maybe the character could "learn" to defeat the bosses faster. Each run took me more than an hour and the boss fights tend to be a bit monotonous since most of the time there is only the boss himself.
Still this is a superb game, well done.
I finally got the "100 achievements" medal. I didn't get it directly after getting all the achievements. First I thought this may be connected to the game being open for over an hour. I reloaded the tab, browsed through the achievements, read your comment about a problem with this particular medal and restarted the campaign. I got the medal after shooting the first enemy.
Now for the sequel... (: