Series & Movies
Original productions by Game World
Cube Is Sphere: Lost Memories
Cube Is Sphere: Lost Memories is a fan-made series created by the Game World team, based on the Cube Is Sphere universe. The story takes place before the events of the original trilogy and is not official. The series explores the characters' past and Cube's lost memories, revealing events prior to the tragedy that marked the history of characters like Sphere and Iron Boss, before everything collapsed.
Synopsis
Before the events of the Cube Is Sphere trilogy, Cube lived a seemingly ordinary routine at Polygen High School. Among new students, unexpected friendships, and small daily situations, nothing seemed to indicate the tragedy that would change everything in the future. This is the beginning of the lost memories that shaped the past of characters like Sphere and Iron Boss… before everything collapsed.
Episodes
11 episodes-
▶ WatchEpisode 1The First Day of School The first day of school finally begins at Polygen High School. Cube, known for being lazy and spaced out, tries to face another normal day, without imagining that his life is about to change as he meets new classmates and old connections he doesn't yet understand. Among introductions, new friendships, and unexpected situations, the first pieces of a forgotten past begin to emerge, starting the lost memories that would one day shape everyone's destiny. 05/23/2026 -
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▶ WatchEpisode 2The Cardboard House Another memory that Cube had lost was of the cardboard house he built with Sphere when they were younger, in an episode inspired by the fun energy of Cool & Dokyu. On a rainy afternoon, with nothing to do, Cube and Sphere decide to build a huge cardboard house in the living room, using old boxes, blankets, pillows, and colorful lanterns. What starts as a simple game soon turns into a grand imaginary adventure, full of fun, creativity, and special moments that reveal even more about the strong friendship between the two before the events that would change their lives forever. 06/19/2026 -
▶ WatchEpisode 3The Popular Geometric at School Years ago, at Polygen High School, there was a very popular sphere among students. At that time, Fernando Ferrox, before being known as Iron Boss, attracted the attention of several geometric girls with his charisma, including Sphere herself. During those days, Fernando also maintained a great friendship with Cube and Mr. Cylinder. The three spent most of their time together, sharing fun moments and strengthening their bonds of friendship. It was a time marked by peace, harmony, and unity among everyone. No one imagined that, in the future, unexpected events would forever change the destiny of that group of friends. 07/02/2026 -
Episode 4Talent Show At a contest in the Bellmont theater, students must perform the best magic to win, and Cube and Sphere are spectators. Mr. Cylinder is competing with 3 geometric shapes. Expected on 07/28/2026
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Episode 5The Rule No One Could Break Do not humiliate anyone in public. Expected on 08/15/2026
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Episode 6The Cake Contest Triangle challenges Cube to a cake contest. Expected on 09/02/2026
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Episode 7The Prom That Went Wrong There is a misunderstanding at this prom that made it go wrong. Expected on 09/24/2026
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Episode 8The Chaotic Valentine's Day Iron Boss talks to Sphere at school again, but she feels uncomfortable. Expected on 10/05/2026
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Episode 9The Last Happy Moment Cube and Sphere go to the roller coaster. 10/30/2026
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Episode 10Sphere's Chaotic Death Iron Boss takes revenge on Sphere after she treated him badly. 11/10/2026
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Episode 11Iron Boss, the Powerful Metal Transformer Cube has to go through shortcuts that lead him to Iron Boss's lair. 12/14/2026
