I recently made a gift for my friend which was something of a solo rpg.

The premise is that my friends were gathering at a cabin innawoods and I told them I won't be coming.

Then I began writing a madman's diary, with borderline psychotic drawings. It starts with in the deep end of the pool
"IT CAME TO ME LAST NIGHT SCREAMING, WHY DOES IT SCREAM??" and continues with the guy being too afraid of opening his windows because light creates shadows that are not supposed to be there. It continues like this for a while, but then the big bad guy manifests one night and gives the man a riddle they must answer.

Now the riddle is seemingly mathematic, with numbers on a table with 2*7 dimensions. One number is missing. The instructions for the riddle state you must never look at the numbers 39 and 57 straight because something bad will happen (the two pages following the riddle are nothing but these numbers, a nice impossible task for the reader)

From here on the diary is mostly about the guy trying to solve the riddle and the demons urging him to do it. They take away his hearing from his right ear at some point as a threat to do even worse things if he won't make it. There is a deadline

Close to the end he seems to be on the verge of solving the riddle, but his answer is not correct. The demons are pissed. They say they will have his left hand.

Then the author realizes it wasn't a riddle but a system of measurement. There never was an answer. The demons are measuring him through the riddle somehow.

He becomes a cultist and cuts off his left hand. He is told that he must "wrap it like a gift, not like a punishment" and bring it to the cabin on the night my friends are resting there. He finishes that it feels right that the left hand is missing.

Ok, so that concludes the diary but the rpg preparations are not over. So I made this wooden box and painted it nice and horrible with cow blood. It looked like someone died on top of it. (Pic) Tbc