Generalplot

Down Periscope Kill Hitler with the submarine

Maître d'Armes Perform one kill with each of the 5 primary Weapon Assignments weapons

Sakura Contender Unlock the 'Sakura' Trophy event.

Periodic Riddle Ushah has been given a "riddle" from
Fiona that uses elemental symbols, but
has no idea what the answer is.
This doesn't seem related to the case...
but why not help him find the answer?

Throw away the key Imprison Temple

The Platinum Arrow Gain all trophies in Volume

Peek-A-Boo Free Kuppo from a wall in Fossil Roo.

Multi-Millionaire Possess an insane amount of money.

Last man standing Wipe out the senior leadership of both Factions and determine who will be the new Warlords

What Once was There First use of Energize in the Epilogue.

Scrapheap Disable 100 Police vehicles.

The Swamp Demon Complete Chapter 2: The Swamp Demon.

Tattered Family Soothe Lucrecia's Lament

Critical Hit! Complete the Seta River Killers

Explain That Tamed the tides.

The Bends Achieve a score of 7000 in the Diving for Treasure Survival Challenge

47 kills A Mission has been completed with precisely 47 Kills

Part Time Job 3 Lilly has given you further part-time
work tidying up the Milk Barn's
storeroom by pushing the boxes around.
Honestly, they can't even be trying to
keep it tidy in there!

China Shop Shoot 5,000 pieces of glass

All Perked Up Collect 10 perks
20/100

Jail Break Survive all of Theo Parnell's traps and defeat him.

Heart of Darkness Enter the Heart of Darkness

Fish for Dinner Catch 5 fish while river fishing.

Elements Contender Unlock the 'Elements' Trophy event.

5 Normal Silent Assassins 5 Silent Assassin Ratings awarded on the Normal Difficulty

Seven Bones Wild dogs have been through the grave-
yard and now 7 [Bones] are missing.
Brian has pretty much demanded that you
get them back. Use his marks on the map,
find the [Bones] and return them.

Path of Destruction Disable 10 Police Cars in a Pursuit and successfully evade in Career

Talent Discovered Earned Bronze in all Driving School challenges

Within One Hundredth Win a race by a margin of 0.01 seconds or less.

Better Squidaddle Don't take any damage while riding the squid.

True Trainer Use every Training Toy.

Preferred Customer Buy everything in Blackjack's armory

Run out of town Repel the GAC

Chapter 1 Speedrun Complete a Speedrun of Chapter 1 below the target time.

Deluginist Darkness Frequent Fatherland Follies

Bigger and Better than Ever Purchase a Titan weapon.

Arch Rivals Achieve a one-two finish in a Mitsubishi Lancer Evolution X and a Subaru IMPREZA WRX STI.
(Must be the Lancer Evolution X GSR P.P. '07,
and either the IMPREZA WRX STI '07 or the IMPREZA Sedan WRX STI '10.)

No Dragon Your Heels Make it across General Dragon's back without taking any damage.

Evolution Rising Star Unlock additional event in 'Evolution'.

Ghost House Treasure Use the [Key] received from Brian to
check out his house. It is an old
place in a corner of downtown.
There might be something important
hidden there... or maybe not.

Sonic Teaches Numbers Collected Number Rings three times.

Luna Kazooed Watch the Moon Witch transform Pikarina and Ying Yang in every possible way.

The horror... the horror... Resolve your conflict with the Jackal to facilitate the exodus

Andromeda's Finest Collect all trophies.

Dancing On The Ceiling Travel 17.5 metres on walls and ceilings

Icebreaker Shatter three frozen enemies within one second

WHISTLEBLOWER Finish the Whistleblower DLC

Making My Way Down Town You've driven more than 1,000 miles (1,610km).

But I Am Finished With You Kill Warboss Grimskull once and for all.

You Need Glasses Partner? Survive the shuttle flight with less than 10% shields intact