In the X-Tale universe, XGaster makes multiple entries that serves as a backstory to the whole X-Tale plot. These entries often are sighted in either the X-Tale comic, or the short animations.

Timeline I

Entry 0

THIS IS OUR HOME. I WILL DO THE BEST FOR THEM.
I HAVE A PROJECT IN MIND IN THE FUTURE...BUT FIRST...
I WANT TO GIVE THEM THE OPPORTUNITY TO BE SURROUNDED BY A GOOD FAMILY AND FRIENDS LIKE I SAW OUT THERE.
THE INHABITANTS OF THIS UNIVERSE WILL EVOLVE THROUGH TIME.
OTHER UNIVERSES USE THE TERM "GROW UP". FRISK AND CHARA LIKE THIS KIND OF PHENOMENON.
THEY ARE REALLY ENJOYING THIS. MY JOB HERE IS DONE.

X-Tale's version

This is our home. I'll do the best for them. I have an idea for the future. Our little game is still in development, but first, I want to try something.

I want to know the feeling of growing up. I want to see them learning about life, about family and friends...about feelings.

Entry 1

...WILL THIS BE ENOUGH?
THIS COULD BE MORE PERFECT FOR EVERYONE IF I USE...

Timeline II

Entry 0

I HAVE OVERWRITTEN THE PREVIOUS TIMELINE IN A NEW STORY.
THE CHILDREN WILL BE SURROUNDED BY MY CREATION.
"Not again" - SAID ONE OF THEM.
I DO NOT ACCEPT THAT WORD IN MY UNIVERSE.

Entry 1

TOO MUCH HAPPINESS.
AT THIS POINT, I WILL NOT BE ABLE TO CREATE THE BEST STORY IN THE ENTIRE MULTIVERSE.
MAYBE...DEATH CAN MAKE THIS MORE INTERESTING.
EVERYONE LOOKS AFFECTED BY THIS LOSS. ESPECIALLY THE TWO HUMANS.
THEIR REACTIONS ARE WORTH OBSERVING. THIS ATMOSPHERE MAKES ME FEEL WHAT I̷̮̕N̷̬͑̈́K̷̩͔͒ DESCRIBED AS "EXCITEMENT"

X-Tale's version

My children are now healthy and strong adults, rounded by my creations with kind personalities. I like this peaceful story.

Entry 2

HAVE I DONE SOMETHING AWFUL?
NO...THIS IS HOW REAL LIFE IS SUPPOSED TO WORK.
EVOLUTION REQUIRES SACRIFICE.

Entry 3

THERE IS NOTHING LEFT.
IT IS TIME TO OVERWRITE THIS STORY AGAIN.

X-Tale's version (referred to as Entry 6)

There's nothing left. I do not feel very well. It is time to OVERWRITE this place again.

Timeline III

Entry 0

EACH ALTERNATE UNIVERSE HAS MULTIPLE TIMELINES, VARIATIONS OF PACIFIST, NEUTRAL, AND GENOCIDE EVENTS.
FLOW OF TIME SEEMS TO BE THE CONNECTION BETWEEN EACH OF THEM.
ATTEMPTING TO MODIFY THEM WILL ONLY RESULT IN THE CREATION OF ANOTHER ALTERNATE TIMELINE.
THEY WILL STILL EXIST UNTIL A SUPERIOR ENTITY ERASES OR OVERWRITES THEM PERMANENTLY.
ALLOWING MORE TIMELINES TO APPEAR PROVES THAT THEY HAVE BEEN WRONG MANY TIMES.
I HAVE ALSO FAILED, BUT UNLIKE THEM, I CAN FIX MY MISTAKES AS MUCH AS I WISH, WITHOUT CREATING USELESS VARIATIONS.

X-Tale's version

Letting more timelines appear and exist forever means failure. I also have failed, but I can fix all my mistakes whenever I want without creating useless variations of my perfect story.

Entry 1

I HAVE SIMULATED THE FEATURES OF AN ALTERNATE UNIVERSE THAT I̷̮̕N̷̬͑̈́K̷̩͔͒ SHOWED ME SOME TIME AGO.
JUST AS I THOUGHT, THERE IS NOTHING DIFFERENT THAT CATCHES MY ATTENTION. NOTHING THAT CAN BE PERFECT.

X-Tale's version

I have remembered a timeline from a Alternate Universe where everyone were...different. Their behavior, their own world was swapped. I tried to the same to my world but now I hate it. Happiness makes me sick. The children told me I am an insecure old man. They are mad at me.

Entry 2

THIS TIMELINE ONLY EXISTED FOR TWO DAYS. THE CHILDREN SEEM TO BE UPSET.
THEY SAY I AM AN "INSECURE OLD MAN".
I DO NOT NEED THE OPINION OF TWO INSOLENT BRATS.

Timeline IV

Entry 0

I NEVER TOLD HIM, BUT I REALLY ADMIRE HIM.
I̷̮̕N̷̬͑̈́K̷̩͔͒ STRIVES SO HARD TO PROTECT US ALL...AND HE'S ABLE TO FEEL SO MANY THINGS...
WOULD IT BE DIFFICULT TO BE LIKE HIM? I HOPE HE CAN WAIT FOR A LITTLE LONGER...
...I HAVE FELT OVERWHELMED BY THOSE TWO UNGRATEFUL BRATS.

Entry 1

I WILL START A GENOCIDE ROUTE.
I HAVE DECIDED TO OVERWRITE ONE OF THE HUMAN CHILDREN.
I WANT TO KNOW IF THEIR DETERMINATION ALLOWS THEM TO IGNORE MY ORDERS, IN AN ALTERED STATE.
WHAT COULD HAPPEN IF I INVOLVE THEM DURING THE DEVELOPMENT OF MY PERFECT WORLD?

X-Tale's version

I will try creating a genocide route. It is my first time overwriting one of the children. The abilities of their DETERMINATION is the same as in the other alternate universes and the Original Universe.

Entry 2

THE OTHER CHILD HAS REBELLED AGAINST ME.
FINALLY, I HAVE WITNESSED THE ABILITY KNOWN AS RESET.
THIS IS GOING TO BE A PROBLEM. I DO NOT WANT THAT BUTTON TO CREATE GARBAGE LIKE IN OTHER UNIVERSES.
I WILL NOT ALLOW ANY OTHER TIMELINE TO COEXIST.
I AM STARTING TO FEEL TIRED OF OVERWRITING EVERY TIME THEY RUIN THE COURSE OF MY UNIVERSE.
IT IS TIME TO FIND A WAY TO DISCIPLINE THOSE CHILDREN.

X-Tale's version

The other child has rebelled against me. I have witnessed that ability known as reset. It may be an inferior version of my OVERWRITE. He didn't achieve anything, he simply altered this timeline to save his brother from what I had forced him to do.

Timeline V

Entry 0

I CAN SEE THE HATRED IN THEIR EYES.

Timeline VI

Entry 0

CHARA IS THE STRONGER ONE.

Timeline VII

Entry 0

TESTING MY NEW ACQUISITION. Just as I thought, the RESET is extremely boring. At least my soul has a powerful fragment of DETERMINATION. The prototype of my experiment seems to have fun with its new abilities, however...the other human made this new timeline a waste of resources. He refuses to fight or defend himself with every reset executed. I gues it is time to move on. I have learned something about human souls...They can lose their traits because of their feelings...

Entry 1

THE PROTOTYPE OF THE X-EVENT MANAGED TO DESTROY ITS "BROTHER". THE ABILITY TO NOT DIE THANKS TO DETERMINATION IS A VERY USEFUL POWER. I NEED IT.

Entry 2

PROTOTYPE NUMBER TWO. THE MASTERMIND HIDEN WITHIN ANOTHER BODY. WHAT WILL TWO MINDS BE ABLE TO DO WITH MY POWER?

Timeline VIII

Entry 0

THE X-EVENT HAS MADE ITS FIRST CREATION.

Entry 1

THE X-EVENT TRIED TO REBEL AGAINST ME. IT SEEMS I GOT OVER CONFIDENT THINKING I HAD THEM UNDER CONTROL. EVEN SO, THE FACT THAT THE EXPERIMENT CAN USE HIS OWN CREATIVITY IS VERY INTERESTING.

Timeline IX

Entry 0

FOR THE FIRST TIME IN A WHILE, I FEEL SCARED.

EVERYTHING THAT EXISTS HERE IS MY CREATION. I CAN DO WHATEVER I WANT WITH THEM...BUT I AM AFRAID THERE WILL BE CONSEQUENCES FOR EVERYTHING I DID TO THEM IN THE PAST. I AM NOT DONE YET. THEY CAN'T DO THIS TO ME.

Entry 1

I AM GETTING WEAKER. NO ONE MUST KNOW ABOUT THIS...ESPECIALLY THE EXPERIMENT.

Entry 2

BLACK, WHITE OR GRAY. SINCE I CAN NO LONGER USE MY POWER AS BEFORE, I SPEND TIME WATCHING THIS WORLD IN SILENCE. THIS HAS LED ME TO SEE THIS WORLD IN A DIFFERENT WAY...AND I HATE THAT. I HAVE COME TOO FAR TO TURN BACK.

Timeline X

Entry 0

THE EXPERIMENT WAS A SUCCESS. NOW IT IS TIME TO GIVE IT A NAME.

Entry 1

EVERY DECISION MADE BY THE EXPERIMENT IS WHAT GUIDES ME TO MY DESTINY. IF THE EXPERIMENT FINDS OUT ABOUT IT, IT WILL BE MY END. I DON'T WANT ANY SETBACKS, SO I WILL INDIRECTLY GET INVOLVED IN ITS ACTIONS.

Entry 2

IT HAS BEEN DIFFICULT TO KEEP EVERYTHING UNDER CONTROL WITH ONLY HALF OF A SOUL. ANYWAY, TODAY IS GOING TO BE AN IMPORTANT DAY. ACCORDING TO THE EVENTS OF THE MAIN UNIVERSE, THE EXPERIMENT WILL PROCEED TO BREAK THE BARRIER.

Entry 3

IMPOSING FEAR AND AUTHORITY OVER THE EXPERIMENT HELPS ME TO HIDE THE IMMENSE ADVANTAGE IT HAS OVER ME. HE CANNOT KNOW THAT HALF OF MY SOUL IS NOT HERE, NOT TO MENTION THAT IT IS IN HANDS OF I̷̮̕N̷̬͑̈́K̷̩͔͒ . KEEPING DISTANCE IS THE BEST OPTION.

Entry 4

MONSTERS AND HUMANS LIVE IN HARMONY. I HOPE I DON'T HAVE TO DEPEND ON ANYONE ELSE AMONG ALL THESE PEOPLE. I SHOULD HAVE REDUCED THE NUMBER OF INHABITANTS IN THE FIRST PLACE...

Entry 5

THEY BEGIN TO SUSPECT THE EXPERIMENT. AS LONG AS IT DOESN'T GET PHYSICALLY HURT, I DON'T CARE ABOUT ITS SUFFERING. I'm exhausted... but I must continue. I am getting closer to that strange feeling of tranquility. All this has to be worth it.

Entry 6

THE EXPERIMENT REACTIVATED ITSELF AFTER MANY YEARS OF SILENCE. IT HAS USED THE OVERWRITE BUTTON ON HUMANS. WOULD THE EXPERIMENT HAVE FIGURED IT OUT? NO. CHARA AND FRISK ARE CONVINCED THAT I COULD OVERWRITE AND PUNISH THEIR ACTIONS. THEY STILL FEAR ME... YET THEY ARE TRYING TO USE OTHERS TO PROVOKE ME.

Entry 7

INTERESTING TIMES ARE COMING. EVERYONE WANTS TO RISK THEIR OWN LIVES FOR "HIM".

Entry 8

I KNOW THE EXPERIMENT IS TRYING TO GET RID OF ITSELF USING THE OVERWRITE BUTTON... BUT EVERYONE'S WILL TO PROTECT THEIR "BELOVED FRIEND" AT ANY COST IS STRONGER THAN THAT. THIS IS A SILENT WAR I ALREADY WON.

Entry 9

TODAY I DREAMT ABOUT MY DEATH. THERE WAS ONLY ONE THING THAT CAUGHT MY ATTENTION... SOMEONE IN PARTICULAR WAS NOT THERE. SHOULD IT BE IMPORTANT?

Entry 10

TODAY MARKS TEN YEARS, ONE MONTH AND FIVE DAYS SINCE THE EXPERIMENT WAS ACTIVATED. ALL SUBJECTS INVOLVED PRESENT AN APPROPRIATE BEHAVIOUR. HOWEVER... THERE IS ONE SUBJECT I HAVE TO ANALYZE AGAIN. I AM SURE THIS WILL NOT WORK ANY LONGER. ITS CORE CODE IS REGENERATING AGAIN...I WILL CHECK HIS FUTURE REACTIONS WITH THE EXPERIMENT, SO I WILL KNOW IF I HAVE TO OVERWRITE.

X-Tale's version

Today marks 10 years since the experiment was activated. All subjects involved present an appropriate behavior.

However...there's one subject that I have to analyze again.

I can reset his code...but...I'm sure this won't work anymore. His core code is regenerating again.

I'll check his future reactions with the experiment. So I will know if I have to overwrite...

Entry 12

I CANNOT FIGHT BACK LIKE THE EXPERIMENT IS EXPECTING. IF I HAVE TO PLAY DIRTY, THEN I WILL. I AM TIRED OF BEING NICE.

Entry 13

I NEED TO STAY CALM. EVERYTHING IS BACK TO NORMAL...

Entry 14

I DO NOT CARE ABOUT PAIN ANYMORE. IT IS WORTH CARRYING ON TO THE END... I LEFT EVERYTHING BEHIND TO FOLLOW A BETTER FUTURE...

Entry 15 (Written by X-Tale!Alphys)

XGASTER WAS FORCED TO USE THE RESET BUTTON TO REPAIR MOST OF THE DAMAGES IN THE DATA CAUSED BY THE EXPERIMENT. SINCE HE'S FOCUSED ON RECOVERING, HE DOESN'T MIND ME TAKING MY OWN NOTES. SO HERE I AM.

Entry 16 (Written by X-Tale!Alphys)

...I DON'T LIKE HOW HE TREATS THE EXPERIMENT AS A THING. THEY ARE TWO HUMANS.

- REDACTED-

IT'S A BEAUTIFUL DAY OUTSIDE.

Entry 17 (Written by X-Tale!Alphys)

WE ESTABLISHED WE COULDN'T DEFEAT OUR OWN CREATOR. THEN WHY ARE YOU STILL DESPERATE FOR HELP? DESPITE SHARING THE SAME SOUL, YOU CANNOT SEE WHAT THE FUTURE HAS SHOWED HIM. FRISK, CHARA...YOU'RE NOT DOING THE RIGHT THING.

-REDACTED-

We ran out of chocolate milk.

Entry 18

NO MORE TIMELINES.

I DON'T NEED NEW TIMELINES.

THIS IS MY PERFECT STORY, MY PERFECT UNIVERSE.

THE EXPERIMENT...

...MY EXPERIMENT...WHAT IS MY EXPERIMENT?

X-Tale's version

NO MORE TIMELINES!

I DON'T NEED NEW TIMELINES

THIS IS MY PERFECT STORY. MY PERFECT UNIVERSE

MY WORK IS NOT A MISTAKE

MY EXPERIMENT...WHAT IS MY EXPERIMENT?

Entry 19

I REFUSE TO DIE.

NOTHING WAS A MISTAKE.

THIS IS A WORTHY SPECTACLE.

HOW CAN SOMETHING SO IRREGULAR LOOK SO PERFECT TO ME...?

Entry 20

I am watching you.

Entry 11(Hiden in WINGDINGS at the end of X-Tale X video)

AS CLEAR AS A REFLECT IN A MIRROR

I HAVE FOUND THE MOST PERFECT PROJECTION OF FORBIDDEN VISIONS

GET READY

YOUR TIME IS COMING

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