Features - S.T.A.L.K.E.R Clear Sky: The Faction War mod for S.T.A.L.K.E.R.: Clear Sky

There isn't a clear "feature" list made by the developers. I made this reading the changelog and selecting what I believed was important.

• New protagonist
• New playable factions (Mercenaries and Defiance)
• New facion bases
• New Non-faction traders that sell rare items and give random tasks (information about NFT location can usually be obtained by asking someone in the faction base)
• New random task system
• AMK dynamic huds
• Enhanced PDA maps
• Upgrading base guards
• Map spots only show own faction
• New monsters: Rats, the Cat, the Burer and the Chimera, each with its own monster part.
• There is a RPG skill tree system, but I don't remember this at all.

• All new "Faction Brain". A script that controls faction, monster and zombie alife written for the purpose of extended Faction War campaign
• New scripts for enhancing faction expansions that keep enemy factions always a challenge.
• NPCs loot bodies
• Loners will chat on their radio channel describing their thoughs, surroundings, recent events, etc.
• Companions. Build your own squad and roam the Zone.
• Dialogue options with squad commanders that allow the player to send a squad to a desired location.
• Military helicopters patrol the Zone. A helicopter patrol may happen once a day if weather conditions allow it.

• Radio for controling player faction squads.
• Sleeping Bag
• Suits
• Faction suits

• Added AtmosFear and Absolute Nature from Cromm Cruac
• Helmet, masks and visors overlay

• FACTION RESPAWN TIME - Respawn time for squads used by all CPU controlled factions.
• PLAYER'S FACTION RESPAWN TIME - Respawn time for squads used by the player's faction.
• ARTIFACT RESPAWN CHANCE - The chance that a single anomaly has for spawning an artifact. (Note that there can only be around 7 artifacts per Zone's region.). Setting this to 100% will ensure you'll have 7 artifacts in each region every day.
• RANDOM PATROL CHANCE - The chance of spawning a random patrol from the Monolith, Military or Renegades every couple
  of minutes.
• MAXIMUM RANDOM PATROLS AT ONCE - How many random patrols can move through the Zone at the same time.
• MONSTER SQUADS PER LEVEL - How many monster squads(zombie in case of Yantar) can be spawned per level every day.
• MONSTER DAY ATTACK MARGIN - The probability of a monster attack during day time.
• MONSTER NIGHT ATTACK MARGIN - The probability of a monster attack during night time.
• RANDOM LOOT IN STASHES - The loot in stashes obtained from corpses is random.
• STALKERS LOOT CORPSES - Stalkers will search the corpses of their fallen comrades and take their loot.
• STALKERS LOOT BOXES AND STASHES - Stalkers will search for loot in boxes or other stashes.
• GASMASK FRAME HUD - Turns the gasmask frame visible on the hud on/off.
• HIDE PDA SQUAD SPOTS - Switches the squad indicators on the PDA maps on/off.
• DISPLAY PDA POINT SPOTS - Switches the point spots on the PDA maps on/off.
• USE SMALL RADIO ICON - Toggles between a defalut and a smaller version of the radio icon in the inventory.