The "+15" in its description means it includes . Here is the full list of features:
Maxes out all 13 skills (Small Guns, Lockpick, Science, Medicine, etc.) to 100 during your next level-up screen. 3. Gameplay Mechanics fallout 3 trainer 1704
Use the hotkeys specified in the trainer to toggle features on and off while playing. The "+15" in its description means it includes