You can unlock six arenas by buying them in the in-game Store, each costing 500 VC.

• ECW One Night Stand 2006
  
• RAW 2002
  
• SmackDown 2002
  
• Summerslam 1988
  
• WCW Halloween Havoc 1997
  
• WCW Monday Nitro

In WWE 2K25’s MyRISE mode, 17 arenas can be unlocked by making specific choices. You’ll need to play through at least four times to unlock them all.

The MyRise Chapter Guide I created will assist with this

https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3546948457

• Japan Dome
  
• NXT Arena - Mutiny
  
• WCW nWo Souled Out 1997
  
• Arena Estatal
  
• Japan Hall
  
• NXT Arena - No Mercy - Mutiny
  
• RAW 2011
  
• WrestleMania 31 - Daytime
  
• WrestleMania 31 - Nighttime
  
• Survivor Series - MyRISE
  
• Wrestling Convention
  
• TBD Arena
  
• Motion Capture Studio
  
• WrestleMania - MyRISE 2K25
  
• RAW Arena - Mutiny
  
• SmackDown Arena - Mutiny
  
• MutinyMania

You can unlock 11 arenas by finishing matches in WWE 2K25’s Showcase mode. Playing through all the matches should unlock them all.

Meeting all the match objectives is imperative to unlocking all rewards.

• King of the Ring 1993 - Yokozuna vs. Hulk Hogan
  
• WrestleMania 9 - The Headshrinkers vs. The Steiner Brothers
  
• RAW 1997 - Rocky Maivia vs. Hunter Hearst Helmsley
  
• No Mercy 2000 - Rikishi vs. "Stone Cold" Steve Austin
  
• New Year's Revolution 2007 - Umaga vs. John Cena
  
• Money in the Bank 2017 - Tamina vs. Charlotte Flair vs. Becky Lynch vs. Carmella vs. Natalya
  
• Hell in a Cell 2017 - The Usos vs. The New Day
  
• Super ShowDown 2000 - Naomi vs. Bayley
  
• NXT 2.0 - Solo Sikoa vs. Carmelo Hayes
  
• Royal Rumble 2022 - Roman Reigns vs. Seth Rollins
  
• The Tribal Hall of Acknowledgement - The Tribal Gauntlet

Money in the Bank 2017 is a pain to complete, if you're struggling here's a guide that may or may not help
https://gamerant.com/wwe-2k25-tamina-womens-money-in-the-bank-mitb-walkthrough-showcase-match-9/

Check out this guide on how to obtain all achievements WWE 2K25 standard edition

https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3556015664

Check out this guide on how successfully complete the MyRise Story and unlock all rewards and achievements

https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3546948457