Who created time machine in Steins Gate?

Who created time machine in Steins Gate?

Kurisu The time machine of Steins;Gate worldline that appeared in Steins;Gate: The Movie – Load Region of Déjà vu was created by Kurisu and named OR204, after Okabe Rintarou.

How did the time machine work in Steins Gate?

Just like a D-mail, a time leap alters what world line someone is in, it jumps back to an earlier point in time in the current world line, thus creating a new worldline from the point of arrival. However, according to Suzuha, time leap can only change divergence by 0.000001% in most cases.