Who am I? To find the answer, talk to people, learn words, and unlock new conversations Who Am I: Error Code 99 is an action novel game where you save memories and uncover the truth. To know yourself, talk to others. Click the icons displayed on the map to converse with people. Someone out there might know who you are. Learn words and discover new conversations. Save words that appear in conversations and try talking to other people. You might receive a different answer this time. You can remember up to three words. Choose the necessary words carefully. Because of your injuries, you can't remember too many words. What's beyond the conversations... This world is distorted. To regain your memories, you might face great suffering. Are you ready for that?