Company: GAME
Filing Date: 2025-11-04
Form Type: DEFA14A
Source: 0001493152-25-020727
Chunk: 0

Company: GameSquare Holdings, Inc.
Filing Date: 2025-11-04
Form: DEFA14A
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934</div>

| Filed                                
 by the Registrant                    | ☒ |
| Filed                                
 by a Party other than the Registrant | ☐ |

Check the appropriate box:

| ☐ | Preliminary                                                       
 Proxy Statement                                                   |
| ☐ | Confidential,                                                     
 for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐ | Definitive                                                        
 Proxy Statement                                                   |
| ☒ | Definitive                                                        
 Additional Materials                                              |
| ☐ | Soliciting                                                        
 Material under §240.14a-12                                        |

<div align='center'>GAMESQUARE HOLDINGS, INC.

(Name of Registrant as Specified In Its Charter)

Name of Person(s) Filing Proxy Statement, if other than the Registrant</div>

Payment of Filing Fee (Check the appropriate box):

| ☒ | No                                                                                               
 fee required.                                                                                    |
| ☐ | Fee                                                                                              
 paid previously with preliminary materials.                                                      |
| ☐ | Fee                                                                                              
 computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

<div align='center'>GAMESQUARE HOLDINGS INC.

6775 Cowboys Way, Ste. 1335

Frisco, Texas 75034

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

To Be Held at 12:00 p.m. Central Time on December 4, 2025

EXPLANATORY NOTE</div>

On November 4, 2025 at 12:00 p.m., Central Time, the Company convened its 2025 Annual Meeting of Stockholders (the “Annual Meeting”). At that time, there were not present or represented by proxy a sufficient number of shares of the Company’s common stock to constitute a quorum. Accordingly, pursuant to the Company’s bylaws, the Company adjourned the Annual Meeting without any business being conducted in order to allow for additional time for the Company to obtain the requisite number of shares by proxy or in person to constitute a quorum and approve the matters subject to stockholder vote. The adjourned Annual Meeting will reconvene virtually on Thursday, December 4