Long review ahead, skip to the end if you wish to read the results...
NOTE: This review is based on first impressions, to this day I haven't finished the game yet, so it is prone to chances, which in that case, this review will be edited.
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The retro style gives you the feels of playing a haunted GameBoy game, the plot is intriguing, the characters look rather fleshed out, and Sara looks creepy as hell.
There is a mix of puzzle solving and humor which add variety to the game.
In these points, good job.
However, this game has several flaws:
1) The music, while atmospheric at first, it is irritating to hear once you have heard it loop on itself several times.
2) It is a little difficult to see where are the entrances and exits for the rooms/levels, especially past the main door.
3) The lamp puzzle, while intuitive, may drive away new players after trying to solve it the 20th time.
4) I'm sorry to say the following, duo of how much problems you had programming her, but Sara behavior is rather odd and a bit buggy. Sometimes she will appear straight up from the beginning, leaving me without a chance to escape, and other times she would not appear at all.
It seems to be a trick to avoiding her once she appears that I haven't cracked yet.
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Overall, this is an unique creepy game with charm and lots of work put into it, with several strengths, mixed with several flaws that I can't ignore.
Still, you manage to code it all yourself in a month, and for that I congratulate you, you did more that I would manage to do.
I give this game: a 6/10 IGN points. Nice job!