Undertale, an indie role-playing game created by Toby Fox, was officially released to the public.
Undertale was released on PlayStation Vita and PlayStation 4 platforms, expanding its availability beyond PC.
Undertale became available on the Nintendo Switch console, reaching a wider audience of players.
A war erupts between humans and monsters, leading to the monsters being sealed underground by a magical barrier.
Following the war, monsters are sealed beneath the surface with a magic barrier created by the humans and the powerful entity Asgore, trapping them underground.
Monsters begin to form their own society and culture in the underground after being sealed away from the surface world.
Asgore Dreemurr becomes King of the Underground, seeking a way to break the barrier and free the monsters.
A human child falls into the underground world and encounters monsters during their journey back to the surface.
The player encounters Flowey, a sentient flower who guides and manipulates the player throughout their journey.
The player meets and interacts with several important monsters who impact their quest and the story's outcome.
The player chooses to either spare or kill monsters, affecting the story's progression and multiple possible endings.
The player confronts King Asgore, a pivotal battle that influences the ending of the game.
If the player chooses mercy throughout, they achieve the True Pacifist ending, befriending all characters and freeing the monsters.
