If you hold R2 for several seconds during the game you will be taken to the last checkpoint.

These are earned by completing the indicated tasks. When you unlock a Medal or Award you will also recieve the corresponding special ability.

Hawk's Eye:
5x Sniper Specialist - Unlocks Second Sniper Zoom.

Army Superior Unit Award:
50x Clan Matches Won with Clan - Unlocks 100,000 Valor.

Head Fetish:
5x Headshot Specialist - Unlocks Increased Points/Headshot.

Black Belt:
5x Close Combat Specialist - Unlocks Increased Points/Melle Kill.

Corpse Counters:
5x Body Count Specialist - Unlocks Increased Points/Defensive Kills.

Bodyguard Alliance:
5x Assassination Defend Specialist - Unlocks Increased Points per Survival.

Bomb Squad:
5x Search and Destroy Specialist - Unlocks Increased Points/Returns/Disarms.

Defense Initiative:
5x Capture and Hold Defend Specialist - Unlocks Increased Points/Defensive Kills.

Assassins League:
5x Assassination Kill Specialist - Unlocks Increased Points/Assassination Kills.

Retrieval Corps:
5x Search and Retrieve Specialist - Unlocks Increased Points/Return.

Aerial Supportive:
8x Air Support Specialist - Unlocks Combine Tactician 2nd Ability.

Forward Observer:
8x Spot and Mark Specialist - Unlocks Combine Scout 2nd Ability.

Field Mechanic:
8x Repair Specialist - Unlocks Combne Engineer 2nd Ability.

Field Medic:
8x Healing Specialist - Unlocks Combine Medic 2nd Ability.

Spawn Authority:
8x Spawn Point Specialist - Unlocks 2nd Tactician Ability.

Front Runner 8x:
Boost Specialist - Unlocks Combine Assault 2nd Ability.

Explosives Expert:
8x C4 Specialist - Unlocks Combine Saboteur 2nd Ability.

Trauma Surgeon:
8x Revival Specialist - Unlocks 2nd Medic Ability.

Defensive Specialist:
8x Turret Specialist - Unlocks 2nd Engineer Ability.

Example Soldier:
8x Good Conduct - Unlocks Increased Start Ammo Amount.

Meritorious Unit Award:
10x Clan Matches Won with Clan - Unlocks 1000 Valor.

Meritorious Unit Award:
25x Clan Matches Won with Clan - Unlocks 10,000 Valor.

Master of Disguise:
8x Disguise Specialist - Unlocks Saboteur Ability.

Natural Born Killer:
8x Kill Count - Unlocks Increased Grenade Amount.

Quick Draw:
5x Sidearm Specialist - Unlocks M4 Revolver 2nd Weapon.

Shadow Marshall:
8x Cloak Specialist - Unlocks 2nd Scout Ability.

Complete the indicated task during the game to earn the corresponding Ribbon.

Boost Specialist:
Perform 5 boosts.

Healing Specialist:
Heal 5 players.

Repair Specialist:
Repair 5 objects.

Air Support Specialist:
Get 5 kills by air support.

Assassination Kill Specialist:
Kill 1 assassination target.

Body Count Specialist:
Perform 10 kills during a mission.

Assassination Defend Specialist:
Stay alive as an assassination target.

Capture and Hold Defend Specialist:
Get 10 mission points by capturing a point.

C4 Specialist:
Perform 5 kills with C4 explosives.

Spawn Point Specialist:
Have 5 players spawn in the placed area.

Turret Specialist:
Get 5 kills with sentry turret placed.

Good Conduct:
Get no team kills/suicides, and score at least 20 points.

Cloak Specialist:
Kill 5 enemies while cloaked.

Close Combat Specialist:
Get 10 kills by close combat melee.

Disguise Specialist:
Kill 5 enemies while disguised.

Search and Destroy Specialist:
Have 2 objectives placed/disarmed.

Search and Retrieve Specialist:
Have 2 objectives returned.

Sniper Specialist:
Get 10 kills with the sniper rifle.

Spot and Mark Specialist:
Spot and mark 5 players.

Sidearm Specialist:
Get 10 kills with pistols.

Headshot Specialist:
Get 10 kills by headshots.

Revival Specialist:
Successfully revive 5 players.

Unlock higher ranks and their bonuses by earning the indicated amount of points and 'difference' score.

Corporal:
Earn 30 points (30 difference) - Can create squad option.

Sergeant:
Earn 100 points (70 difference) - Can create clan option.

Sergeant 1st Class:
Earn 200 points (100 difference) - Unlocks Shotgun and SMG.

Master Sergean Master Sergeant:
Earn 350 points (150 difference) - Unlocks the medic badge.

Sergeant Major:
Earn 550 points (250 difference) - Unlocks HGH and ISA LMG.

Lieutenant:
Earn 880 points (250 difference) - Unlocks engineer badge.

Captain:
Earn 1100 points (300 difference) - Unlocks VC9 missile launcher.

Major:
Earn 1450 points (350 difference) - Unlocks tactician badge.

Lieutenant-Colonel:
Earn 1850 points (400 difference) - Unlocks grenade launcher.

Colonel:
Earn 2300 points (450 difference) - Unlocks saboteur badge.

General:
Earn 2800 points (500 difference) - Unlocks scout badge.

This harder difficulty setting becomes an available option when you have completed the game.