Here are my house rules for skills, new skills and changes to old:
Agility (Dex) Untrained. Balance and Escape artist rolled into one skill. New application could be used to maintain coherency in an awkward environment. Such as floating in ether or being suspended in zero gravity.
Artillery (Int) Trained. Used for aiming, firing, reloading and upkeep of artillery and siege equipment.
Athletics (Str) Untrained. Climb, Jump and Swim rolled into a single skill.
Awareness (Wis) Untrained. Listen and Spot rolled into one skill.
Craft Alchemy (Int) Trained. Can also be used to create poisons and antidotes.
Craft Arms and Armor (Int) Trained. Used to create non-firearm arms and armor.
Craft Engineering (Int) Trained. Used to make technology such as clockwork and steamcraft items.
Craft Finery (Int) Trained. Used to make thing such as jewelry, art, gemcutting and forged documents.
Craft Locks and Traps (Int) Trained. Used to create locks and traps and to open locks and disable traps.
Heal (Int) Untrained. Is now based under intelligence.
Knowledge Architecture (Int) Trained. Knowledge of buildings, fortifications and bridges and their construction
Knowledge Cosmology (Int) Trained. Knowledge of the theoretical nature of the planes and information relating to them (elementals and outsiders)
Knowledge Geography (Int) Trained. Knowledge of the lands, seas, terrain, maps, climate, the world and how to navigate
Knowledge High Society (Int) Trained. Knowledge of the nobles and the rich and their heraldry, mottos, lineages, family trees, laws, customs, traditions and personalities
Knowledge History (Int) Trained. Knowledge of past politics, leaders, wars, colonies, migrations, laws, customs, traditions, inhabitants and personalities of the world and its people (humanoids)
Knowledge Magic (Int) Trained. Knowledge of the theoretical nature of magic, runes, magic symbols, magic phrases, magic traditions and magic items (magical beasts and dragons)
Knowledge Nature (Int) Trained. Knowledge of the wilderness’s plants, animals and beasts and seasons, weather patterns and growing seasons (surface animals, plants, vermin, monstrous humanoids, giants and fey)
Knowledge Occult (Int) Trained. Knowledge of the world’s secret societies, cults, folklore, ancient mysteries and legends (undead and lycanthropes)
Knowledge Religion (Int) Trained. Knowledge of the world’s major religions and their holy symbols, traditions, histories, phrases, celebrations and how to interact with them
Knowledge Science (Int) Trained. Knowledge of the theoretical nature of science as opposed to how to craft or use it (constructs)
Knowledge Subterranean (Int) Trained. Knowledge of the underground environment’s plants, animals and beasts and knowledge of subterranean formations and other similar things (underground animals, plants, vermin, monstrous humanoids, oozes, and aberrations)
Knowledge Underworld (Int) Trained. Knowledge of underworld figures and their organization’s laws, customs, traditions and personalities
Perform (Cha) Trained.
Pilot (Dex) Trained. Can pilot and navigate Ships or other forms of transportation such as Chariots, Steamships, Balloons or Trains.
Research (Int) Untrained. You can research a topic you don’t have the appropriate knowledge in with this skill. All DC’s are considered 5 points higher. The DM can give a library bonus depending on how good the library is on requested subject. If you have a Knowledge skill with 5 or more ranks in the subject you get a +2 synergy bonus to your research check.
Search (Int) Untrained. All characters have the rogue’s Trapfinding special ability.
Sneak (Dex) Untrained. Hide and Move Silently rolled into one skill.
Strategy & Tactics (Int) Trained. You can detect ambushes, set ambushes, command troops on the battlefield. If you have 5 or more ranks in this skill it gives you a +1 leadership for the purposes of Leadership feat.
Survival (Wis) Untrained. Is used as the Track feat was but, all base DC’s are increased by 10.
Use Device (Int) Untrained. You can figure out how to use complex technology such as clockwork and steamcraft devices. You can also repair devices that you do not have the appropriate Craft skill in with this skill. All DC’s are considered 5 points higher.
Use Magic Device (Wis) Trained. Is now based under wisdom.