Out of 1000+ private torrent trackers that are around today, only a handful are dedicated games trackers. Of course, most general/0-day trackers do index almost all new game releases but we are talking about entire torrent sites dedicated to PC and Console games. Given below are 4 private games trackers that are currently open for signup; XBOX-SKY, My-GameBox, PS2-P and Underground Gamer (UG).

Note: Almost all of these trackers are known to close signups within a short time interval. We do not know for sure how long they will remain open so it’s best to sign up ASAP.

1. PS2P
  
Site Name: PS2-P Tracker (http://ps2ptt.com)
Signup URL: http://ps2ptt.com/signup.php
Description: PS2-P is a PS2/PSP games and a Lossless video game music tracker. For full tracker description including screenshots and available game categories, refer to this article.

2. XBOX-SKY
  
Site Name: XBOX-SKY (http://bt.xbox-sky.org)
Alternate URL: http://bt.xbox-sky.cc
Signup URL: http://bt.xbox-sky.org/register.php
Description: XBOX-SKY is a dedicated XBOX/XBOX360 games tracker. For full tracker description including category details and statistics, refer to this article.

3. Underground-Gamer (Signups closed – invites available via IRC)

Site Name: Underground-Gamer (http://www.underground-gamer.com)
Description: Decent PC/Console games tracker. Has lots of old games as well. For full tracker description including category details refer to this article.
How to obtain an invite:

1. Read Underground Gamer Rules and FAQ
2. Logon to #invites channel on server irc.underground-gamer.com (mIRC users click here)
3. Ask for an invite (do not PM anyone).

4. My-Gamebox
  
Site Name: My-Gamebox (http://my-gamebox.com/)
Signup URL: http://my-gamebox.com/signup.php
Description: My-Gamebox is a PC/Console game torrents/NZB files tracker. Most of the new games are indexed but it seems that older torrents are deleted rather quickly. Few PC games but a good collection of console games. For full tracker description including category details and statistics, refer to this article.