If you're looking for anime similar to Steins;Gate Movie: Load Region of Deja Vu, you might like these titles.
As the school term draws to a close, Koutarou Makimura vows to confess his love to Kaho Serizawa, the most beautiful girl in school. However, on the way home, he accidentally fondles a time traveler named Ligene, causing her to strike him recklessly over the head with an hourglass. When Koutarou wakes up, he discovers that summer has been and gone and that Kaho has tragically died. Now, with Ligene's help, he must leap through time and change the events of summer in order to save Kaho from her fate.
For Naoki, the arrival of the mysterious Mikoto Amagaki was a life changing experience to say the least. Having embarked on a search for her long lost brother, Mikoto has managed to stir a great deal of questions in our young hero, including wondering why he has dreams of the brother's wrongdoings as they occur, and consequently, why this man looks so much like himself! With amnesia blocking the memories of his past, and secrets left unrevealed, it seems the joy and sadness in young Naoki's life is only just beginning...
A divergent continuation of the original Steins;Gate ending, Steins;Gate 0 explores an alternate worldline where Okabe abandons time travel. While attempting to forget past traumas and get his life back on track, he meets an AI that re-opens old wounds.
Yesterday, Kyon was helping prepare for an SOS Brigade Christmas party. But today, he wakes up to a whole other world. Haruhi and the SOS Brigade are gone, Koizumi's class is missing, Asahina doesn't recognize him, Nagato is still a Literary Club member and even Ryoko Asakura has returned. As the only person who notices that everything has changed, Kyon is left to discover what happened to his friends and figure out if his life truly is better without aliens, time travelers and ESPers.
A special day approaches during a lull in the chaos. It's that time of year to give chocolate to the ones you love, but not everyone finds that an easy task.
To confirm that birds descend from dinosaurs, Dorami and her friends from the 22nd century use a time machine to go millions of years back in time.
During the summer, Takuya Arima receives a package—from his missing father—detailing the existence of parallel universes. He investigates further and soon realizes that he’s been given the key to cross-dimensional time travel. Now, Takuya is forced to use this newfound tech to unravel the mystery of his father’s whereabouts and find out why those closest to him are keeping secrets.
The island of Urashima sits on the ocean far, far away from the mainland. The island is so lush and beautiful that one might mistake it for paradise, but the people there are trapped by a complex past and long-established traditions. Long since abandoned and all but forgotten by the mainland, the people of the island are ready to give up hope. But then, a young man named Setsuna who calls himself a "time traveler" washes up on the island. Setsuna has lost all of his memories except for a certain mission that he must fulfill. On Urashima he meets three girls, Rinne, Karen, and Sara, and begins.