Entertainment Software Rating Board
The Entertainment Software Rating Board (ESRB) is a self-regulating group founded in 1994 for content ratings of computer and video games in North America.

They have rated most Star Trek video games released since 1994.

Ratings for these games have fallen into five categories to date: Kids to Adults (K-A), Everyone (E), Everyone 10+ (E10+), Teen (T), and Mature (M).

Kids to Adults 

For content suitable for persons ages 6 and older. Replaced by "E" in 1998.

Games rated K-A
 Star Trek: Deep Space Nine - Crossroads of Time
 Star Trek: Deep Space Nine - Harbinger
 Star Trek: Judgment Rites
  (later releases were rated E)
 Star Trek: Starfleet Academy Starship Bridge Simulator
 Star Trek: The Next Generation - A Final Unity
 Star Trek: The Next Generation Episode Guide

Everyone 

For content suitable for persons of all ages. Replaced "K-A" in 1998.

Games rated E
  (re-rated from K-A)
 Star Trek: Starfleet Academy - Chekov's Lost Missions
 Star Trek: Federation Compilation
 Star Trek: Starfleet Command
 Star Trek: The Next Generation - Birth of the Federation
 Star Trek: Starship Creator
 Star Trek: Invasion
 Star Trek: Starfleet Command II - Empires at War
 Star Trek: Bridge Commander
 Star Trek: Starfleet Command - Orion Pirates
 Star Trek: Deep Space Nine - Dominion Wars
 Star Trek: Armada
 Star Trek: Conquest
 Star Trek: Starship Creator Warp II
 Star Trek: Armada II
 Star Trek: Starfleet Command III
 Star Trek: Shattered Universe
 Star Trek: ConQuest Online
 Star Trek: Tactical Assault
 Star Trek D-A-C

Everyone 10+ 

For content that may be suitable for ages 10 and older.

Games rated E10+
 Star Trek: Legacy
 Star Trek: Encounters
 Star Trek Trexels
 Star Trek: Bridge Crew

Teen 

For content that may be suitable for ages 13 and older.

Games rated T
 Star Trek: Hidden Evil
 
 Star Trek: Klingon Academy
 Star Trek: Away Team
 Star Trek: Voyager - Elite Force expansion pack
 Star Trek: Deep Space Nine - The Fallen
 Star Trek: Elite Force II
 Star Trek: New Worlds
 Star Trek Online
 
 Star Trek: Voyager - Elite Force
 Star Trek: Borg

Everyone to Teen 

For releases that feature content that ranges from Everyone to Teen.

Compilations rated E-T
 Star Trek Action Pack
 Gamefest: Star Trek Classics
 Star Trek: Federation Gift Pak

Mature 

For content that may be suitable for ages 17 and older. Only two Star Trek games have received this rating, both of which focus exclusively on the Klingons.

Games rated M
 Star Trek: The Next Generation - Klingon Honor Guard
 Star Trek: Klingon

Everyone to Mature 

For releases that feature content that ranges from Everyone to Mature.

Compilations rated E-M
 Star Trek: Starfleet Gift Pak

External links
  – official homepage
 
Rating systems