Alice mare is a freeware horror-esque adventure game by △○□× (Miwashiba) made in WOLF RPG Editor.
Allen is a boy who has lost his memory.
Bereaved of his parents, he comes to a certain facility.
One day, he goes to investigate an odd rumor, and…
(Minor note: Miwashiba specifically asked that people tag things on various sites as “Alice_mare”, though on Tumblr that’s functionally the same as “Alice (space) mare.”)