Roblox interview questions

34 questions15 coding5 system design14 behavioral4 freeUpdated

This is every question in the Roblox guide, in one list: 15 coding problems, 5 system designs and 14 behavioral questions, drawn from what candidates report about Roblox interviews.

Each row shows the round it comes from and links to the lesson that works through it. 4 are free to read in full. The other 30 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Roblox coding interview questions

15 problems, in the order the guide teaches them. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

1Prefix Pruning: Minimal Covering SetFreeMediumArrays, Strings & Hashing
2Group by Group Size: Bucket and FlushFreeMediumArrays, Strings & Hashing
3Decode String: Expand a Nested EncodingFreeMediumArrays, Strings & Hashing
4Premium medium problemMediumHash Maps & Design
5Premium medium problemMediumHash Maps & Design
6Premium medium problemMediumHash Maps & Design
7Premium medium problemMediumHash Maps & Design
8Premium medium problemMediumGraphs, Grids & DP
9Premium medium problemMediumGraphs, Grids & DP
10Premium medium problemMediumGraphs, Grids & DP
11Premium medium problemMediumGraphs, Grids & DP
12Premium medium problemMediumGraphs, Grids & DP
13Premium medium problemMediumHeaps & Intervals
14Premium medium problemMediumHeaps & Intervals
15Premium medium problemMediumHeaps & Intervals

Roblox system design interview questions

5 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design a Multiplayer Game ServerFree
2Design Matchmaking at Scale (Premium)
3Design Chat & Safety (Premium)
4Design the Creator Marketplace (Premium)
5Design a Notification System (Premium)

A lock means the design is named here and its walkthrough is Premium.

Roblox behavioral interview questions

14 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

Why Roblox, and are you a gamer (3)

All 3 are Premium

Take the Long View (3)

All 3 are Premium

Get Stuff Done (2)

All 2 are Premium

Respect the Community & collaboration (4)

All 4 are Premium

We are Responsible: safety, misuse & failure (2)

All 2 are Premium

Read the Roblox behavioral questions

See all 34 Roblox questions by name

Premium opens the 30 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

Common questions

How many questions are in the Roblox interview guide?

34: 15 coding problems, 5 system designs and 14 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Roblox interview questions come from?

All 15 coding problems come from the coding rounds. The 5 system designs and 14 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which Roblox interview questions are free?

4 of the 34 are free to read in full, marked Free in the list. The other 30 come with Premium, which also opens all 100 company guides.