Prison lab maybe
Huhu
http://www.mangago.zone/read-manga/jinrou_game/
http://www.mangago.zone/read-manga/liar_game/
http://www.mangago.zone/read-manga/btooom/
http://www.mangago.zone/read-manga/imawa_no_kuni_no_alice/
http://www.mangago.zone/read-manga/signal_100/
http://www.mangago.zone/read-manga/aku_no_kyouten/
http://www.mangago.zone/read-manga/real_account/
http://www.mangago.zone/read-manga/kamisama_no_iutoori_fujimura_akeji/
http://www.mangago.zone/read-manga/dreamcide/
http://www.mangago.zone/read-manga/aphorism/
http://www.mangago.zone/read-manga/online_the_comic/
http://www.mangago.zone/read-manga/doubt_tonogai_yoshiki/
http://www.mangago.zone/read-manga/btooom/
http://www.mangago.zone/read-manga/liar_game/
http://www.mangago.zone/read-manga/dolls_code/
http://www.mangago.zone/read-manga/prison_lab/
http://www.mangago.zone/read-manga/battle_royale/
http://www.mangago.zone/read-manga/gordian_knot/
http://www.mangago.zone/read-manga/life_is_money/
Looking for survival game mangas similar to tomodachi game.