An alien named Zim and his robot Gere have been living among humans for some time, the initial plan to capture the planet failed and the aliens had to adapt to earthly life. Zim started going to school, but abandoned his predatory plans. Gere, like all robots, must obey the owner, but he does not always succeed, because in his head he has a bunch of garbage instead of brains. On the eve of Halloween, the hero had another plan and for this he went to the attraction Room of Fear. Help him complete several missions, as a result of which he still won’t succeed, but the process in Invader Zim DOOM is important for you.