Although the ambiguous open ending suggests there is potential for a sequel, the director's intentions make it rather unlikely.

What happens after The Platform?

The Platform movie ends with Goreng and his inmate Baharat climbing the platform from Floor 6 to make sure that everybody on each floor gets an equal amount of food. ... Hence Goreng descends the platform and only the young girl travels up the platform and the movie ends.

What was the ending about in The Platform?

Not only has she managed to survive, but she's healthy, and Goreng realizes that she represents the prospect of a better future. When he puts her on the table that ascends to the top of the prison, he does so under the belief that she'll bring about change and equality someday.