Thanks a lot for your feedback!
"There are some grammar mistakes that should be fixed" - I wanted to check out grammar but I didn't have time. I did UI for a few hours of the end of the gameJam.
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"When you click the background at the main menu the mouse is hidden." - I didn't know that. Thanks!
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"The settings menu is a little confusing, the options seem clickable but they also have sliders, i don't know if i should click the buttons since they light up when hovering at them." - I wanted to do something "unusual" and I decided to do sliders but because of lack of time I didn't make a good UI.
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"The game lacks music" - Yes? I don't know how to make good music. I didn't want to take something from someone. Only my stuff.
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"you can kind of see outside of the bounds of the room, collisions should be improved." - I knew about this problem and I tried to fix it...Well, yeah.
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"The plates on the floor seem to change your direction for some reason"- I don't what you mean. Really, I didn't notice something special except one thing - Unreal has really bad settings of collision of characters. Rats can move really big thing so easy.
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"The game doesn't tell you what you have to do or how to play, since there's not a clear objective the player will feel discouraged to keep playing." - I forgot about base information of movement, lol. Such a commond thing.
And again - Thanks for your feedback. I'm going to enhance my next game, hah)