“Abundance is the dullest desire” - Gives Arthur infinite ammunition
Purchase newspaper from Chapter 1 onwards

“A simple life, a beautiful death” - Gives Arthur a set of Basic Weapons

“Greed is American virtue” - Gives Arthur a set of Heavy Weapons
Purchase newspaper after completing "Advertising, the New American Art" in Chapter 3

“Death is silence” - Gives Arthur a set of Stealth Weapons

“History is written by fools” - Gives Arthur the Gunslinger side mission weapons

“You long for sight and see nothing” - Removes Fog of War from the map
Purchase newspaper after completing "Blood Feuds, Ancient and Modern" in Chapter 3

“Greed is now a virtue” - Gives Arthur $500

“Vanity. All is vanity” - Instantly unlocks all in-game outfits

“Eat of knowledge” - Teaches Arthur every crafting recipe

“Share” - Unlocks every camp upgrade

“Virtue unearned is not virtue” - Gives Arthur maximum Honor
Purchase newspaper after completing "Urban Pleasures" in Chapter 4

“You revel in your disgrace, I see” - Gives Arthur minimum Honor 

“Balance. All is balance” - Gives Arthur neutral Honor

“Be greedy only for foresight” - Gives Arthur Infinite Dead-Eye

“The lucky be strong evermore” - Gives Arthur Infinite Stamina
Purchase newspaper after completing Chapter 5

“Guide me better” - Dead Eye Level 1

“Make me better” - Dead Eye Level 2

“I shall be better” - Dead Eye Level 3

“I still seek more” - Dead Eye Level 4

“I seek and I find” - Dead Eye Level 5

“Seek all the bounty of this place” - Permanently increases Arthur’s Health, Stamina and Dead-Eye meters

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“You flourish before you die” - Fills Arthur’s Health, Stamina and Dead-Eye meters

“You seek more than the world offers” - Fills meters and fortifies Arthur’s cores
Purchase newspaper after completing "The King's Son" in Chapter 6

“My kingdom is a horse” - Increases Arthur’s Horse Bonding level

“Better than my dog” - Let’s Arthur call his horse from any range

“A fool on command” - Plies Arthur with alcohol, induces drunkenness

“Run! Run! Run!” - Spawns a race horse

“You are a beast built for war” - Spawns a War Horse
Purchase newspaper after completing the Epilogue

“You want more than you have” - Spawns a Superior Horse (Arabian)

“You want something new” - Spawns a random horse

“The best of the old ways” - Spawns a stagecoach

“Keep your dreams simple” - Spawns a wagon

“Keep your dreams light” - Spawns a horse-drawn buggy

“Would you be happier as a clown?” - Spawns a Circus Wagon
Purchase newspaper after completing the Epilogue

“You want punishment” - Gives Arthur a Wanted Level

“You want freedom” - Drops Arthur’s Wanted Level

“You want everyone to go away” - Removes Arthur’s notoriety/bounties