They give you four tasks to do.
The first was two different coding problems; the first problem was more difficult, but the second was much easier.
The next three tasks used Roblox's game engine to present logic problems that you need to solve.
I would definitely recommend going to the Speak_ app that they mention in the link they send you, as it has tons of useful prep for the coding interview.
One of the logic problem games I was asked involved optimizing a factory to produce the most money in a 24-hour period.
The following metrics were computed from 1 interview experience for the Roblox Software Engineer (Internship) role in Washington, District of Columbia.
Roblox's interview process for their Software Engineer (Internship) roles in Washington, District of Columbia is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Roblox's Software Engineer (Internship) interview process in Washington, District of Columbia.