Google vs Roblox Interview Questions

Google lists 2,305 LeetCode interview questions while Roblox lists 56. They share 48 problems — 2% of Google's bank and 86% of Roblox's. Focus on the overlap first, then drill into 2,257 Google-only and 8 Roblox-only questions.

Read the full Google vs Roblox preparation guide →

Overview

Google

2,305 questions

Easy 601Medium 1205Hard 499
Roblox

56 questions

Easy 8Medium 35Hard 13

Preparation Strategy

Step 1 — Shared core: Solve the 48 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Google and Roblox.

Step 2 — Company-specific depth: Add Google-specific problems like Add Two Numbers, Median of Two Sorted Arrays, Palindrome Number 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

Easy
Google
601
Roblox
8
Medium
Google
1205
Roblox
35
Hard
Google
499
Roblox
13

Top Shared Topics

48 Shared Questions

High-priority problems to practice for both Google and Roblox.

ProblemDifficulty
Two SumEasy
Trapping Rain WaterHard
Longest Common PrefixEasy
Longest Substring Without Repeating CharactersMedium
Longest Consecutive SequenceMedium
Valid ParenthesesEasy
Merge IntervalsMedium
Spiral MatrixMedium
Largest Rectangle in HistogramHard
Rotate ImageMedium
Logger Rate LimiterEasy
Sliding Window MaximumHard
Course ScheduleMedium
Rotting OrangesMedium
Insert Delete GetRandom O(1)Medium
Text JustificationHard
Random Pick with WeightMedium
Task SchedulerMedium
Reorganize StringMedium
Implement Trie (Prefix Tree)Medium
Course Schedule IIMedium
Design Hit CounterMedium
Integer to English WordsHard
Subarrays with K Different IntegersHard
Students and ExaminationsEasy
Find the Length of the Longest Common PrefixMedium
Design Search Autocomplete SystemHard
Number of Recent CallsEasy
Maximize Distance to Closest PersonMedium
Number of Flowers in Full BloomHard

Showing top 30 of 48 shared problems.

Unique to Google (2,257)

Problems in Google's list that do not appear at Roblox.

ProblemDifficulty
Add Two NumbersMedium
Median of Two Sorted ArraysHard
Palindrome NumberEasy
Merge Sorted ArrayEasy
Best Time to Buy and Sell StockEasy
3SumMedium
Create Hello World FunctionEasy
Merge Strings AlternatelyEasy
Longest Palindromic SubstringMedium
Container With Most WaterMedium
Recyclable and Low Fat ProductsEasy
Majority ElementEasy

Unique to Roblox (8)

Problems in Roblox's list that do not appear at Google.

ProblemDifficulty
Number of Ways to Wear Different Hats to Each OtherHard
Number of Trusted Contacts of a CustomerMedium
Minimum Operations to Write the Letter Y on a GridMedium
Number of Adjacent Elements With the Same ColorMedium
Brightest Position on StreetMedium
Image SmootherEasy
Minimum Number of Frogs CroakingMedium
Design Memory AllocatorMedium

Frequently Asked Questions

How many LeetCode questions do Google and Roblox share?

Google and Roblox share 48 LeetCode interview questions. 2257 problems appear only in Google's list and 8 appear only in Roblox's list.

What topics overlap most between Google and Roblox?

The most common shared topics between Google and Roblox are Array (19 shared questions), Hash Table (11 shared questions), String (9 shared questions), Design (6 shared questions), Sorting (5 shared questions). Mastering these areas prepares you for both companies.

Which company asks harder LeetCode questions: Google or Roblox?

Google has 601 Easy, 1205 Medium, and 499 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 Google and Roblox?

Start with the 48 shared problems since they cover what both companies ask most often. Then add 20 Google-specific and 8 Roblox-specific questions to round out your prep.

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