Adult PC Game: Tower of Waifus Final by Galart Archive

Overview:
One day, the strange tower suddenly emerges from the ground on the Foggy Peaks, all waifu in the world have been kidnapped and jailed here by the Darklord's army. As a hero of this land, you hit the road to conquer the tower, defeat Darklord's army and rescue waifus.​

Tower of Waifus Final by Galart Gameplay Preview