Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-253789 on Form S-8 of our report dated February 25, 2022, relating to the financial statements of Roblox Corporation and subsidiaries appearing in this Annual Report on Form 10-K for the year ended December 31, 2021.

/s/ DELOITTE & TOUCHE LLP

San Jose, California
February 25, 2022