Conker's Bad Fur Day: After his botched attempt to kick Conker's ass, Frankie the Pitchfork hangs himself out of shame. But since he doesn't have "a neck of any description" he's just left hanging from the rafters of the barn until Conker cuts him down later on.
.hack//G.U. has Atoli's player Chigusa, who bears several marks on her left wrists from failed suicide attempts. She has stopped trying to end her life after meeting Haseo.
Implied in The Evil Within 2; Sebastian's model in this game has bandages around his right hand, and the events of the first game were certainly enough to drive him to the Despair Event Horizon... do the math.
In Fallout 4 completing the quest Giddyup ‘N ‘Go all the way including visiting the Wilson Atomatoys Corporate HQ and retrieving the quest giver Arlen Glass’ holotape from his daughter, has him reveal that after he lost his job, then lost his wife and daughter on the day the bombs fell, Glass tried to commit suicide by sitting near a radioactive bomb crater. Except the radiation didn’t kill him, it ghoulified him instead.
Fallout 76 has "Lucky Lou", a ghoul who intends to kill himself for fear of one day going feral and attacking his friends. However, because he's inherently lucky, any attempt to do so mysteriously backfires. His many attempts to commit suicide via increasingly elaborate methods ends up becoming a whole gauntlet of suicide traps that the player has to get through to find Lou, with Lou ultimately asking the player to kill him in exchange for his help with a mission. Once the mission is over, however, Lou has second thoughts (and even implies this may have been the real reason his previous attempts failed) once the player convinces him that going feral isn't inevitable.
If you fail to save Cid in Final Fantasy VI, Celes will throw herself off a cliff in despair, only to survive landing at the bottom. It's mentioned that dozens of other people threw themselves off and did die; when she realizes she survived, she concludes something wants her to survivenote Her hardened constitution due to severe military training and actual warfare, augmented with the infusion of magical powers?. On returning to Cid's body, she finds a note directing her to his raft, and the game proper resumes.
In Forever Home, Kina throws herself off a cliff after her hometown is destroyed for the second time. She loses control of her light magic and survives the fall, but gives herself amnesia and a different appearance. The party later recruits her as "Eidol" and actually have to back off from revealing her memories in her character quest to keep her from committing suicide again.
Lost Judgment: Mitsuru Kusumoto jumped off the roof of Kurokawa Academy after enduring relentless bullying from his classmates. Instead, he survived the fall, only to end up in a coma for thirteen years. This was the catalyst for Jin Kuwana to start his murderous crusade against bullies, including the ones who drove Mitsuru to his suicide attempt.
In Octopath Traveler II, the final chapter reveals that this happened with Ori. She attempted to sacrifice herself to put out the Sacred Flame at the Fellsun Ruins. However, Partitio's optimism made her doubt whether or not the Moonshade Order really needed to turn the world over to Vide. Her injuries were good enough to count as the necessary sacrifice, but her doubts stopped them from being fully lethal, and she was saved by some traveling apothecaries staying at the nearby town.
Subverted in the opening scene of Persona 3: Yukari is shown pointing a gun at her head and trying to pull the trigger with shaking hands, then dropping it and crying, but it turns out she was only trying to summon her Persona, not kill herself.
In Persona 5, Shiho Suzui, unable to take Kamoshida's abuse any longer, jumps off a school roof, convincing the protagonist and Ryuji, who had previously been afraid of killing Kamoshida, that the abuse must end no matter what happens to him, and contributing to Ann's awakening to Carmen. Thankfully, Shiho fails to pick somewhere high enough to kill her and ends up hospitalised instead, and by the time she's recovered, Kamoshida has long since faced justice.
In Planescape: Torment The Nameless One can actually stage these as a means to at least two ends, thanks to his immortality. First to knock a suicidal Dustman back on his rails in the Hive, then to discredit a lecturer's claims of afterlife during your stay at the Civic Festhall.
One of these sets off the plot of Postal 2's expansion pack Apocalypse Weekend: at the end of the base game, the Postal Dude shot himself upon realizing he forgot his nagging wife's rocky road ice cream. The expansion opens with the revelation that he survived the shooting, though the bullet lodged in his brain ends up causing all sorts of crazy, Silent Hill-esque hallucinations throughout the next two in-game days.
Clem and Crystal from Psychonauts are two seemingly very cheerful children who are secretly suicidal. It's implied their self esteem issues are due to bullying. Their behavior for the most part is played for dark laughs. Clem and Crystal try to poison themselves and jump off a building but both attempts fail (though the latter was an Interrupted Suicide).
In Receiver 2, the Threat will force you to load and rack your gun before turning it on yourself if you listen to certain tapes, which makes one of the goals of the game to actively try and bungle your suicide.
Siren 1. Akira Shimura shoots himself with his hunting rifle after having just too much of the Cosmic Horror that the village of Hanuda became. Unfortunately being that Hanuda has become Cosmic Horror, instead of dying he revives some time later as one of the many Shibito, and cracks up when he realizes that he's still alive. This is repeated in the PS3 remake Blood Curse, with Seigo Saiga turning his shotgun on himself after assisting one of the other characters, only to revive as a Shibito and use that shotgun on the partner of a third character when they come through a few hours later.
Theme Park: In most versions, when the park owner tries to commit suicide due to going bankrupt, the attempt fails since he jumps from the first floor.
In Agent Stone's backstory of Twisted Metal: Black, he tries to shoot himself in the mouth after realizing that his anger not only led him to kill the target, but also a girl and her mother. However, it fails because the gun was out of bullets.
