PACIFIST (True Pacifist Ending)
Ruins 100%
Snowdin 30% (Snowdin Forest, Snowdin Town, etc.)
Waterfall "being planned" (Crystal cave, Laboratory Chambers, etc.)
Surface? "being planned" (city?)
GENOCIDE (True Genocide Ending)
Not started yet
NEUTRAL
Not started yet
Neutral route paths:
Angel (90-99% spared, 0% killed)
Guardian (90% spared, killed who deserve it)
Merciful (60%-90% spared, killed for quests completion and progress)
Yourself (50% spared, 50% killed, killing those who you think are needed to be out of your path)
Violent (30%-50% spared, killing those who may be a threat, and getting anyone out of your way if needed or if you through they could become a threat)
Ruthless (10%-30% spared, getting rid of anyone, even if possesses the least possibility of being a threat)
Neutral route endings:
New life (End living in the Omega Timeline)
Under Control (Trapped by strings, loving trapped forever in the Anti-Void with Error)
Out of existence (Trapped in the Void, or any Void of any Timeline or world)
Fatalized (Becoming fatal data corruption by cause of Fatal Error)
Free Exp (Killed by any Dust variation)
Free Power (Absorbed by Obsessed Monster Dust variation)
Light guardian (Becoming a guardian of Positivity, working along/for Dream)
Heavy consumer (Becoming a guardian of Negativity, working for Nightmare)
Parasitarial (Becoming the new host for the parasite 'Fresh')
Student (Becoming new student of Error 404, becoming a Error variation of Frisk, for being the new cleaner/destroyer of the timelines and AUs)
Corrupted (Killed and used by UltSans' hatred)
Lover (Mind corrupted into self stimulation for lust and pleasure in Timelines and AUs)
More to come...