Microsoft vs Roblox Interview Questions
Microsoft lists 192 LeetCode interview questions while Roblox lists 56. They share 15 problems — 8% of Microsoft's bank and 27% of Roblox's. Focus on the overlap first, then drill into 177 Microsoft-only and 41 Roblox-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 15 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Microsoft and Roblox.
Step 2 — Company-specific depth: Add Microsoft-specific problems like Merge Sorted Array, Add Two Numbers, Longest Palindromic Substring and Roblox-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Roblox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
15 Shared Questions
High-priority problems to practice for both Microsoft and Roblox.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Trapping Rain Water | Hard |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Spiral Matrix | Medium |
| Rotate Image | Medium |
| Longest Common Prefix | Easy |
| Largest Rectangle in Histogram | Hard |
| Sliding Window Maximum | Hard |
| Longest Consecutive Sequence | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Rotting Oranges | Medium |
| Text Justification | Hard |
Unique to Microsoft (177)
Problems in Microsoft's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| Merge Sorted Array | Easy |
| Add Two Numbers | Medium |
| Longest Palindromic Substring | Medium |
| Single Element in a Sorted Array | Medium |
| Median of Two Sorted Arrays | Hard |
| 3Sum | Medium |
| Maximum Subarray | Medium |
| Group Anagrams | Medium |
| Search in Rotated Sorted Array | Medium |
| Reverse Nodes in k-Group | Hard |
| Merge Two Sorted Lists | Easy |
| Roman to Integer | Easy |
Unique to Roblox (41)
Problems in Roblox's list that do not appear at Microsoft.
Frequently Asked Questions
How many LeetCode questions do Microsoft and Roblox share?
Microsoft and Roblox share 15 LeetCode interview questions. 177 problems appear only in Microsoft's list and 41 appear only in Roblox's list.
What topics overlap most between Microsoft and Roblox?
The most common shared topics between Microsoft and Roblox are Array (10 shared questions), String (4 shared questions), Hash Table (3 shared questions), Stack (3 shared questions), Matrix (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Microsoft or Roblox?
Microsoft has 55 Easy, 109 Medium, and 28 Hard questions. Roblox has 8 Easy, 35 Medium, and 13 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Microsoft and Roblox?
Start with the 15 shared problems since they cover what both companies ask most often. Then add 20 Microsoft-specific and 20 Roblox-specific questions to round out your prep.