Steins-gate- Kyoukaimenjou No Missing Link - Di... !!better!! -

Instead of finding the resolve to try again (the "Steins Gate" route), he resigns himself to a world where World War III is inevitable. He decides to live out his days in this "hell," abandoning his identity as Hououin Kyouma. The episode ends on a grim note, setting the stage for the tragedy and eventual redemption found in the sequel series, Steins;Gate 0 .

Finally, Okabe pushes the Time Leap Machine beyond its limit. The divergence meter spins wildly. The screen glitches, and the infamous error appears. Steins-Gate- Kyoukaimenjou no Missing Link - Di...

This likely refers to (Steins;Gate: Boundary Surface上的 Missing Link ), more commonly known to Western fans by its subtitle "Divide By Zero" (often stylized as Steins;Gate: Divide By Zero ). This is the episode 23 (β) alternate ending that serves as the direct prologue to Steins;Gate 0 . Instead of finding the resolve to try again