are there any games that incorporate suicide as a positive game

>>384328891
The closest thing i can think of is the Valkyrie Profile games. You have to kill off your teammates (send them to valhalla) to get stronger. After you get rid of them you wont be able to use them till the very end of the game. Killing certain characters changes the story and endings too

Only game I can think of that sorta has what you're looking for is Planescape: Torment. There are a few quests (and joke interactions) where killing yourself is important but I can't remember anything quite like dying to make the next run of the game more/less difficult.

Tokyo Jungle has a mechanic where you start getting old and need to mate to produce superior offspring before you die, and mating essentially ends the run right then and there so you can pick up as one of the kids for the next round.

>>384328891
Damon's Souls, because of World Tendency

>>384328891
No more room in hell when you're infected

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1MB, 1530x2150px

This game is exactly what you're looking for.

Too bad it's terrible.

Binding of isaac can lead to situations where killing yourself is beneficial to the run, especially with that one item that drops a shitload of items when you die (of course, you need a way to come back to make use of them)

I don't know if alluding to something suicidal counts, but I think in persona 3 you shoot yourself in the head to awaken crazy diamond or something