I completed all Abyss levels but didn't get the achievement :( fix? https://steamcommunity.com/sharedfiles/filedetails/?id=2944184197

I just got another spam message in the form of a coupon. It is for this game. How do I unsubscribe from these? I never agreed to be spammed about random games that I don't even know about.

I want to get all achievements. Is it sufficient to beat all stages or do I have to beat all stages within the challenge time? If so, is it possible to beat individual levels with the challenge time on different days or do I have to beat the whole set in a row with the challenge time?...

I was on level 49 and after a painfully long time I got frustrated. So I wanted to try to complete some challenge times on the early levels. Then i realised I cannot continue from level 49 and could only start back on level 45. Is there a way i could avoid re-doing levels 45-48? Also in regards to completing challenges: If I was .5 seconds of the challenge on level 28 but hit the goal, I can't easily have another go as i would have to redo the entire set. Sorry for being a little passive aggressive! I ju...

I really like the game, but I've noticed that the longer I keep playing the more sick I get. I think it has to do with the way the character moves in accordance to the camera, but I'm not quite sure. Maybe the dev could introduce a sort of mode that could reduce the motion sickness or maybe someone could just in general give me advice on how to avoid it in the first place. Thanks....