v3.26.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
Apr. 08, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Current Fiscal Year End Date --12-31    
Entity File Number 001-39389    
Entity Registrant Name GAMESQUARE HOLDINGS, INC.    
Entity Central Index Key 0001714562    
Entity Tax Identification Number 99-1946435    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 6775 Cowboys Way    
Entity Address, Address Line Two Ste. 1335    
Entity Address, City or Town Frisco    
Entity Address, State or Province TX    
Entity Address, Country US    
Entity Address, Postal Zip Code 75034    
City Area Code (216)    
Local Phone Number 464-6400    
Title of 12(b) Security Common Stock, $0.0001 par value    
Trading Symbol GAME    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Elected Not To Use the Extended Transition Period false    
Entity Shell Company false    
Entity Public Float     $ 25,391,698
Entity Common Stock, Shares Outstanding   95,761,215  
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 6644    
Auditor Opinion [Text Block] We have audited the accompanying consolidated balance sheets of GameSquare Holdings, Inc. (the “Company” or “GSQ”) as of December 31, 2025 and 2024, and the related consolidated statements of operations, comprehensive loss, shareholders’ equity, and cash flows for each of the years in the two-year period ended December 31, 2025, and the related notes (collectively referred to as “the financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for each of the years in the two-year period ended December 31, 2025, in conformity with accounting principles generally accepted in the United States of America.    
Auditor Name Kreston GTA LLP    
Auditor Location Markham, Ontario, Canada