OMORI was officially released on the Steam platform, marking its official entry into the gaming world.
The Kickstarter campaign for OMORI was launched to fund the game's development and gain community support.
The Kickstarter campaign for OMORI successfully concluded, achieving its funding goals.
Sunny and his family move into a new house, marking the beginning of his new life and the setting of the main story.
Sunny befriends Aubrey, Kel, Hero, and Mari, forming a close-knit group that plays together and shares many memories.
Sunny creates White Space as a subconscious safe place, an empty void acting as a refuge from reality and traumatic memories.
Mari, Sunny's older sister, dies under mysterious circumstances, which deeply affects Sunny and triggers his withdrawal into White Space and his subconscious world.
Following Mari's death, Sunny isolates himself from his friends and family, avoiding them and spending time locked away in his room.
Inside the dreamlike world, Sunny's alter ego Omori is introduced, representing his split personality and coping mechanism.
Omori and Sunny's friends reunite within the dream world, starting a journey to uncover the truth behind Mari's death and Sunny's trauma.
The group explores various dream locations representing Sunny's memories and emotions, confronting fears and hidden truths.
Sunny confronts the reality and truth about Mari's death, accepting responsibility and facing his suppressed guilt.
Sunny chooses to emerge from his subconscious refuge, beginning the healing process and reconnecting with reality and his friends.
