Oral Con-tract: A Beginning
The g-net was one of the byproducts of discovering spatial warps, connecting his home planet of yr'helt to other worlds and cultures, such as that of terra's humans, or q'nnrtc 4's light beings.
Welcome to the Junction!
If you get frustrated with living in two physical worlds, simply dampen your link with the other world and you can literally walk through walls, albeit in only one world.
The Hand and Arrow
"is there any other worlds compatible with this one?" the second soon started to look, moving from views or worlds, and even alternations in dimensions until, "only 3 are compatible with "earth"."
My Little Dashie Epilogue
She had so many questions about celestia's knowledge of the other world, but before she could begin to ask any of them, she was interrupted by her calm, almost calculating voice.
The Society, CH 39
"i thought it was just something in the other world. you know there should be a name for that place. i can't keep calling it the 'other world'."
Unicorns tale
They had records from long ago about the other worlds, and so we are leaving to let you and you rares be with yourself." "but why... do you need me?" doki asked.
Memories of a Forgotten Past: Chapter 8
It seems it makes a connection with a digimon in the other world, which manifests its data in the form of a blue card. once it's slashed through the card reader it triggers the forming of a d infinity."
Phoenix Destiny
In the last golden age before the end came magic had become a science as much as an art, and had reached a level comparable to the high technology of other worlds.
MF-Ep4-The First Adventure-
The three made their way into this other world to discover it being like a dungeon of sorts like within a fantasy video game.
Doom: Rise of Evil Ch.1: Arrival.
Angus turned around and saw an ugly, pale skinned creature, of other worldly origins. angus shot this thing twice, killing it.
Unified Beast
The only bodies left standing on the rock outcropping where the two titans like figures locked together as other worldly weapons clashed. it was clear which sides they might have been part of if any one was left alive to witness.
May Be Human: teaser
When these barriers are weakened it's possible to travel between worlds and see the wonders that the other world holds. the betweens was never supposed to exist, it was the side effect of a chi spell that went awry.