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Chaos;Head and Steins;Gate exist in the same ("Science Adventure") universe, but on different world lines. Chaos;Head happens in Shibuya and the events happen one year before Steins;Gate Steins;Gate happens in Akihabara Robotic;Notes happens in Tanegashima Island and the events happen nine years after Steins;Gate The events of Chaos;Head are consistent ...


33

Yes. Sometimes it's a sort of "exchange" of product placement - the anime will show the brand in the show, and the brand will put something about the show on its products for a certain timeframe. Code Geass: Pizza Hut Rebuild of Evangelion Tiger & Bunny: Various I'm sure there are more examples but these are just a few.


21

SQL is mentioned, as the question suggests. They even used company and trademarked names: MySQL, PostgreSQL, SQL Server, Oracle, DB2, SQLite, Access, ANSI Of particular interest is the fact that Oracle, the company that owns Java, is present. It's rare to find original trademarks in anime. A book for "Goodle Endroid", a clear reference to Google Android,...


18

In addition to the other answers... The first episode of the new Ghost in the Shell: ARISE series features various shots of various ads for the Surface tablet and the device itself. The Evangelion Rebuild films have had long lingering shots of a Lawson's convenience store. Also, Misato’s fridge is stocked with Kirin beer. In Macross Frontier movie, Ranka ...


17

According to an interview with the scenario writer, Naotaka Hayashi, featured in Dengeki Games Magazine about the heroines of anime/game that weren’t explained in the main story: Why did Kurisu want her own fork? Ever since Kurisu came back to Japan she couldn’t get enough of instant ramen. At first she tried using chopsticks to eat her ramen but ...


16

According to the Tv Tropes page, the explanation for the "fork" and "spoon" is an inside joke from 2chan for "lover" and "friend": Apparently "my fork" and "my spoon" was at some point 2chan slang for "lover" and "friend", respectively. No wonder Kurisu was so pissed with herself. But no source was provided. Though the Steins Gate wiki has a different ...


16

Steins;Gate, Chaos;Head, and Robotics;Notes all take place within the same universe but at different times. There are also multiple Steins;Gate references in Chaos;Head, and there are multiple Steins;Gate references in Robotics;Notes. These could be just for comedy purposes or they could be hinting at a relationship. Robotics;Notes also takes place in ...


15

Well, there's Tiger & Bunny which plastered product placement to the extreme of its real-life sponsors: Each of the city's most famous superheroes work for a sponsor company and their uniforms also contain advertising for real-life companies. The show features "sponsored" super heroes who fight crime, with their sponsors plastered all over them like ...


13

The game is called "Rai-Net Access Battlers" and here's a detailed description of the game and rules (Japanese). It's a made up game but it's loosely based off of the German game Ghosts! from the 80's. The gameplay is similar. As for it existing in the real world, there seems to be an official version of this game in the real world, it was sold at Comiket. ...


11

Here. This one's from Nichijou. And yes, it's the real thing as is featured in the credit: (0:59 in the ending 2)


11

Around 9 minutes into episode 24 (try watching from 08:30), Okabe from the future (episode 24 Okabe) bumped into Kurisu on the stairs in the radio hall building. He was going to say he would save her, but got interrupted by an announcement over the PA system and ran off. In episode 1, Kurisu dragged Okabe (episode 1 Okabe) from the lecture, asking what he ...


11

Disclaimer Needless to say, this answer contains spoilers. Therefore, I have chosen not to spoiler it. No, Okabe could not have saved Mayuri, as he found out by himself the hard way. Mayuri was meant to die in the alpha world line; her death is what is called a "convergence point". No matter how Okabe manipulates the alpha world line, creating a new ...


11

Aside from what's mentioned in Wally's answer, following programming and computer-related items appear: IBN 5100, a clear expy of IBM 5100 that was featured in the original John Titor forum posts: @chanel textboard, very likely a reference to real-life 2channel:


10

According to Episode Glossary article on Steins;Gate Wiki, there are 5 operation names coined throughout the series: Operation Urd (Episode 6) Operation Eldhrimnir (Episode 10) Operation Verthandi (Episode 11) Operation Valkyria (Episode 18) Operation Skuld (Episode 23) Operation Eldhrímnir is coined by Okabe in episode 10 for the plan to invite Suzuha to ...


10

This is how John Titor sums up the Grandfather Paradox and its effects in the Steins;Gate universe (from the episode 2 English dub): Someone else: Aren't you worried that by being here you're creating some kind of a paradox? John Titor: Ah, the so-called "Grandfather Paradox"? It doesn't exist. It's possible to meet your past self. You'll simply ...


9

As Eric notes in the comments, 0.571024 (the number down the side of the "i") is the divergence number of the worldline Okabe is in at the very beginning of the show. The numbers hidden in the letters (0 in i / 4 in n / 8 in s / 5 in G / 9 in t / 6 in e) form "048596". I bet there's a "1" hidden somewhere I'm not seeing (maybe in the first "t"?), since 1....


9

As mentioned by one of the official translators that has worked on most of the Sci-fi Adventure series:Source Steins;Gate Zero will not be a direct sequel, no. Remember when Okabe stabbed Kurisu and lost his resolve? Only to be revitalized once he received the Operation Skuld D-Mail from his future self? The Okabe in Epigraph and Zero is the Okabe that ...


8

The Steins;Gate World Line is not in the Beta Attractor Field. While the final result of the Beta Attractor Field (World Lines 1% to 1.99%) convergence is WW3 which is fought over Makise Kurisu's time travel thesis, Steins;Gate (1.048596%) is the only exception because the thesis is destroyed (and thus time travel doesn't exist in that World Line). At the ...


8

Being Icelandic and speaking the language (which is the closest language to Old Norse), I noticed that Norse mythology is prevalent throughout this series. For example, immediately on episode 18 during Operation Valkyria, Okabe is on the date with Ruka at the cafe "Völuspá Café". The sign can be seen when they enter the cafe and again when they exit on ...


8

In Steins;Gate there is an important thing called Attractor Field. An Attractor field is a number of world lines that may be slightly different from each other in small details, but provide the same end result. Each attractor field is "made of" a number of World lines, in some range. For example, the Alpha Attractor Field contains world lines with the ...


8

It's worth remembering that Suzuha comes from the future, but she only knows what is known by people in the future α world line. In fact, some of that turns out not to be entirely correct, or at least it's misleading. In any case, it depends on what you mean by "future". Two different futures can have the same, or very close, divergence numbers. This is ...


8

The mistake you're making is that the phone attached to the microwave is irrelevant—any phone is okay. The phone that matters is the phone that the microwave phone sends the message to. The message is sent to Faris's father, Yukitaka Akiha. The reason could be classed as spoilers, so make sure you watch the show first.


8

It is logically accurate. The necessary conditions for a D-Mail to work are listed on the Wikia as: D-Mails are sent through the Phone Microwave and can only be sent from devices connected to the Phone Microwave, such as a phone or a pager. D-Mails can only be sent to someone with a phone (or a pager), so although they could hypothetically be sent ...


7

You just send the message from one phone/pager to another one. All you need is the microwave running and a running CRT (Cathode Ray Tube), plus the phone number of the receiver. You configure the microwave, turn it on and wait for the message to be sent. Earlier in the story, they needed to connect the phone with the microwave, to determine, which message ...


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The best answer that I could make out myself for the use of the semi-colon in the names: The semicolon in the names are used as a form of "pertaining to," however "not in possession of." Meaning--for example--"Steins" is related to "Gate" however, "Steins" is not in possession of "Gate." (This applies to the other two names as well.) We can see this ...


6

If I get your question correctly, then the answer is NO. Those do not contradict each other because I hope that answers your question.


6

Steins;Gate sort of uses the many-worlds time travel theory referenced by John Titor. There are many discrete worldlines, like parallel universes. When Okarin leaps to the past, he is moving from one worldline to another; his actions do not affect the future in the worldline he leaped from, only the future of the one he is currently in. The worldlines exist ...


5

Now that the movie is out, we can definitively say exactly when it takes place in the series. According to Wikipedia: The film takes place in August 2011, one year after the events of the anime series. Having seen the film myself, I can confirm this. The events in the film occur in August 2011, a year after the ending of the anime where Okabe is ...


5

Steins;Gate mainly works with mutable timelines with an infinite amount of world lines and borrows many time travel concepts, primarily the black hole theory, to mix into the story. In Steins;Gate, the time travel theory consists of mutable timelines and alternate timelines. However, Okarin is the only one that is aware of the changes in the mutable ...


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