
Steins;Gate is a masterpiece of time travel storytelling, but let’s be honest: its timelines can make your head spin faster than a microwave-powered time machine. If you’ve ever wondered how Okabe Rintarou’s puzzling journey through parallel worlds works, you’re not alone. The show’s mix of science, emotion, and mind-bending twists is what makes it unforgettable, but also a little confusing.
In this article, we’ll break down the complete timeline of Steins;Gate and explain how its version of time travel works. Whether you’re a first-time viewer or a seasoned viewer, this guide will help you understand the rules, the risks, and why Okabe’s decisions matter so much.
The Basics: How Time Travel Works In Steins;Gate

In Steins;Gate, time travel isn’t about hopping into a DeLorean or a TARDIS. Instead, it’s all about worldlines and divergence numbers. Think of worldlines as different versions of reality, each with its own unique events. The divergence number (like 0.571024%) tells you how far a worldline is from the original one.
The key to time travel in Steins;Gate is the D-Mail (short for “DeLorean Mail”). By sending a text message to the past, Okabe and his friends can change small details that ripple into bigger consequences. But here’s the catch: every change creates a new worldline, and the old one gets erased. This means Okabe is the only one who remembers the original timeline, a burden that weighs heavily on him.
The Alpha Attractor Field: A World Without Kurisu

The first major shift in Steins;Gate happens when Okabe accidentally sends a D-Mail that shifts the worldline into the Alpha Attractor Field. In this timeline, SERN (a shady organization) discovers time travel and takes over the world, creating a dystopian future. But there’s another heartbreaking change: Kurisu Makise, the genius scientist, is dead.
Okabe spends most of the series in the Alpha worldline, trying to undo the damage. He sends more D-Mails, but each one only makes things worse. For example, saving Mayuri from death causes Kurisu to die, and saving Kurisu brings Mayuri’s death back. It’s a cruel cycle that forces Okabe to confront the limits of his power.
The Beta Attractor Field: A World Without Mayuri

After undoing all the D-Mails, Okabe returns to the Beta Attractor Field, the original worldline. But this timeline has its own tragedy: Kurisu is alive, but Mayuri is destined to die. To make matters worse, Okabe learns that this worldline leads to World War III, sparked by Kurisu’s research falling into the wrong hands.
This is where the story gets even more intense. Okabe discovers that the only way to save both Mayuri and Kurisu is to reach the Steins Gate worldline, a perfect timeline where neither tragedy happens. But getting there requires a nearly impossible feat: tricking the world into thinking Kurisu is dead without actually killing her.
The Steins Gate Worldline: A Perfect Ending

In the final act of Steins;Gate, Okabe teams up with Kurisu to fake her death, creating a worldline where SERN never discovers time travel and Kurisu’s research doesn’t trigger World War III. This new worldline, the Steins Gate worldline, is the happy ending Okabe fought so hard to achieve.
But it’s not easy. Okabe has to relive Kurisu’s death over and over, each time trying to perfect the plan. No doubt, his determination and love for his friends was really deep. In the end, he succeeds, and the story closes with a touching reunion between Okabe and Kurisu.
Final Verdict: Why Steins;Gate’s Time Travel Works So Well

The rules of worldlines and divergence numbers might seem complicated, but they serve a bigger purpose: showing the emotional cost of Okabe’s choices. Every D-Mail, every shift in the timeline, and every sacrifice reminds us that time travel isn’t a game.
What makes Steins;Gate so special is how it balances science with heart. The time travel mechanics are smart, but they’re never more important than the characters. Whether it’s Okabe’s guilt, Kurisu’s brilliance, or Mayuri’s innocence, the story always comes back to the people who make it matter.
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