It was HITMAN released on GOG with always online DRM and removed after backlash. They obviously refunded to everyone.
https://www.gog.com/en/news/release_hitman_game_of_the_year_...
https://www.gog.com/forum/general/release_hitman_game_of_the...
https://www.gog.com/en/news/release_hitman_game_of_the_year_...
https://www.gog.com/forum/general/release_hitman_game_of_the...