The demo of the game "Slender: The Eight Pages" received mixed reviews from critics, but user reviews were mostly positive, as of April 2015. PC World gave the title two and a half out of five stars, noting its interesting concept but criticizing its lack of creativity.
Pixel Pulse gave "Slender" credit for being the scariest game the reviewer had played and awarded it five out of five stars. The average rating from users on the Softonic download website was seven out of 10. User reviews mention the scary atmosphere of the game, but they criticize the lack of a clear storyline.