looking for psychological horror manga recommendations with the whole “death game” tro...

Heres a few I've read (⌒▽⌒):
http://www.mangago.zone/read-manga/imawa_no_kuni_no_alice/

http://www.mangago.zone/read-manga/kamisama_no_iutoori_ii/

http://www.mangago.zone/read-manga/ousama_game_renda_hitori/ ~any of the ousama games

http://www.mangago.zone/read-manga/jinrou_game_crazy_fox/ ~plus the other 2 jinrou games(read the other 2 first)

http://www.mangago.zone/read-manga/tomodachi_game/ ~exactly what ur looking for and one of my all time faves

http://www.mangago.zone/read-manga/prison_lab/

http://www.mangago.zone/read-manga/darwins_game/

http://www.mangago.zone/read-manga/doubt_tonogai_yoshiki/ ~personally didnt like this manga at all but lots of people seem to like it so u might also

Some here
http://www.mangago.zone/home/mangalist/582156/

SIMILAR CONCEPTS- KS
http://www.mangago.zone/read-manga/obey_me/
http://www.mangago.zone/read-manga/warehouse/
http://www.mangago.zone/read-manga/glen/
http://www.mangago.zone/read-manga/yahwacheop/
http://www.mangago.zone/read-manga/hogu_hagyeongsu/?av=2
http://www.mangago.zone/read-manga/dispar_4u/
http://www.mangago.zone/read-manga/criminal_interview/
http://www.mangago.zone/read-manga/royal_servant/?av=1
http://www.mangago.zone/read-manga/tomodachi_game/
http://www.mangago.zone/read-manga/false_memories_lee_gpiee/?ePfY
http://www.mangago.zone/read-manga/individual_diet_preference/
FOR MORE, FOLLOW ME OR MY LISTS IF YOU WANT!
happy reading!! (*ﾟ▽ﾟ*)

thank you all dearly~

limit
sayonara peter pan (ish??)
tokyo game
btooom
tomodachi game

this isnt death game but you may enjoy yukoku no moriarty