Only Yesterday You Were A Man.
Today Everything Has Changed.
You Died.
But your soul is still there. It’s a piece of light energy trapped in the alien space between two worlds.

Alteric
A single player 2D-platformer
Bright minimalistic graphics
Hardcore gameplay with physics, gravity and logic
2 interconnected parallel worlds
A variety of obstacles and dangerous bosses
Atmospheric soundtrack

According to the developers - 'We tried to develop a game in such a way that the player realized: here, Thomas meets with Dark Souls'

More details on the official game page of Alteric ...