From the introduction: The information presented here is so that the GM may create NPCs based on the Star Trek Universe. The information isn't extensive enough for the creation of Star Trek characters. For people who wish to play with Star Trek characters, they should purchase Star Trek: The Role Playing Game (FASA). The information presented here is for a GM to run fantasy adventures in the Star Trek environment without playing the complicated Star Trek: The Role Playing Game (FASA). User summary: This game is essentially a "re-skin" - or setting - of Star Trek over the rules as presented in Dungeons & Dragons (Original Edition).