Thanks for the comments, they are very much appreciated.

I hope you enjoy part 3:
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“So, what are we going to do with him?”, Theo asked.
Exhausted I lay on my back, my eyes closed, breathing heavily. The tickling felt like it took forever, and I hadn´t any energy left in me.
Jake looked sympathetic into my direction. “Maybe that was enough, don´t you think? I really didn´t intend to torture him for hours.” According to the looks on his friends faces, they weren´t particularly happy with this idea.
“Come on, this is such a good opportunity, we can´t let it go already”, Ian said. After a short pause, he added: “You don´t happen to have some playing cards here?” My flatmate looked confused. “I guess I have some in my room. What´s the plan?” “We will just let luck decide if we play with him some more. It´s simple, really. Everyone gets a card, including Benny, and the one with the highest card wins. If that is our little captive, we will leave him alone for, let´s say, five minutes. If one of us draws the highest card, he gets to choose what will happen.”
Jake still looked somewhat uneasy, and I hoped this time he would be able save me from further “games”. “Ok, but only one round. Then it´s time for us to go anyway, I´d still like to get out tonight.” Before Ian could say anything, Peter interrupted. “Only if you agree to not interfere when someone of us wins a round. Again, we will not hurt him. Trust us.”
My prayers, again, went on deaf ears. “Ok, we have a deal”, Jake said, getting up to get the cards.
Tired as I was, I had my eyes closed, just praying silently for a lot of luck. I could make out some whispering, but didn´t pay it any attention. They were to far away from me to understand them anyway, even if I tried.
“Let´s see what Bennys card is”, Ian said, drawing the first card in my place. I watched him, my eyes fixed on his hand. At least they had moved the game near the corner, where they sat me up and leaned me against, which made it able for me to follow the game. “Nice, it´s a queen. Maybe he is lucky this time.” Ian, Jake and Peter all had lower cards, and I already hoped for five more minutes of piece, but my hope shattered as Theo drew a King.
“Awesome!”, he cried. “So, how long do I have time for some more tickle-torture?” Peter looked disappointed. “Dude, be a bit creative, it might be your only chance.”
“Let´s say five minutes, that should be enough”, Ian said, ignoring his friend. I didn´t know if I should be happy about this or not. I trusted my captors, especially Peter and Ian, to come up with way meaner ideas, so I accepted my fate as good as possible.
While I was lucky enough to win the next round, it was all the luck I had in this game. The next winner was Peter, and, going by his devilish look, he already got a plan. “Five minutes, yes? Ok, here we go”, he said, clamping my nose shut.
I immediately started to panic, wiggling my head to get his hand of, but it was, of course, of no use. Some seconds later Peter allowed me to breath again.
“Hey, you said you wouldn´t hurt him. What are you thinking? That´s dangerous”, Jake said. Peter rolled his eyes. “Calm down. I will not suffocate him, and as long as I do it only for some seconds there is no danger at all.” My flatmate didn´t look particularly happy with this, but was reminded that he had promised not to interfere, so he finally nodded, looking angry.
My attempts to get away from my tormentor were, of course, hopeless. I was held in position with one hand, while the other disrupted my breathing, sometimes with warning, sometimes without and with different intervals. I was very happy to hear the words “Time up”.
The next round was, again, won by Peter. “Awesome. Let´s see.” Everyone looked at him, as he walked to the apartment door, taking a look at the different shoes. After a short time he grabbed Jakes left gym shoes, taking a sniff, looking disgusted and grinning, finally.
Maybe I didn´t want to admit to myself what was probably going to happen, but I felt really confused by this. Peters friends seemed to have got the idea already, either grinning or, in Jakes case, looking sorry again.
<<Don´t look so stupid, help me>>, I thought, piercing him with my eyes. But this time he didn´t even try to interfere with the plans of his friends. My eyes became big, as my head was held in place, forcing me to take a sniff of the shoe. It wasn´t as bad as it could have been, as Jakes last training lay back more than a day ago, which made the smell at least manageable.
At first, Peter just brought the shoe near my face and away again. He always waited until I had to breath, before he moved the disgusting thing away again, only to bring it up after I had taken one breath of fresh air. After some time though, he seemed to get tired. After thinking about it a bit, my tormentor pressed the shoe with the opening against my face, covering my nose with it, and tied the shoelaces together behind my back, brought them in front again and made a second knot behind the shoe sole.
I tried to shake it off, moaning into my gag, but there was no escape. The stinking thing was stuck in my face, the awful smell everywhere. Pleading I looked at Jake, who already seemed to fight with his conscience.
“Ok, the game stops here”, he said, taking the shoe of my face. Even though I wanted to be angry at him, I just couldn´t stop being thankful. All I wanted at this point was going to sleep, not caring about being tied up or not, as long as this game stopped.
“Hey, what are you doing? This weren´t five minutes, and we still have some rounds”, Ian said, looking annoyed. “Yeah, stop messing with our game”, Theo agreed.
“No, I think he had enough. Come on, we should finally get going, it´s pretty late already.” Jake looked hopefully in the round, but his friends didn´t seem to agree. The only one who still smiled was Peter. “Look, we will do what we agreed on. We will continue the game, then we will go.” “No, we don´t. I will free Benny now. Theo, could I borrow your knife?”
Theo didn´t react, Ian answered instead. “No, he won´t, and we will continue, even you. But, I guess your role in our game will change.”
The look in Jakes face seemed to tell me enough. He disliked this change of events as much as I did. “What are you talking about? Hey, what are you doing?”, he asked, nervously, as Peter stood up, coming in his direction. Ian and Theo followed, all of them grinning viciously. My flatmate turned around and tried to run into his room, but was caught by his friends before he could get anywhere.
Ian couldn´t suppress a grin, as he said: “Sorry dude, but you are way too annoying today. I´m afraid we have to punish you”
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The fourth and last part will be posted tomorrow.