The first three and most easiest achievements its

The way how to get them its just complete the all main stages in any rank. For completing stage 1 you will get achievement for STAGE 1 CLEAR and the same for next one's





This achievements can be obtained if complete all main stages on S rank, thats mean with no damage and type words that fast as you can (If you max its not enough so its skill issue so get better rofllmao)

And last one
After completing the 3 main stages on at the end of credits you would see the search bar with "ENDLESS NIGHTMARE"


After that when you return to main menu in search bar above you need type "Endless nightmare" and then you'll see this video, and then just press it


You will get a achievement and whole mini game with Ame with Chainsaw

I hope you liked this little guide! Uhm... yeah rolflmao EZZ get rekt