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21 Interactive Apps · 21 Games · 7 UnitsBoss Tweed's Money Machine
Tap a corrupt city budget to expose what Tammany Hall really charged — and decode Thomas Nast's cartoons.
Rich Side / Poor Side Slider
Slide between a Fifth Avenue mansion and a tenement to compare Gilded Age wealth and poverty.
Map of an Industrial Nation
Click an industrializing U.S. map — steel, strikes, the Dawes Act, and new immigrants.
Choose Your 1890s Life
Live the 1890s as a worker, farmer, steelworker, or reporter — your choices change the ending.
Trust Buster Tycoon
Build a Rockefeller-style trust, then face the backlash that led to the Sherman Antitrust Act.
Save the Homestead
Keep a wheat farm alive through debt and falling prices in the gold-vs-silver fight.
Yellow Journalism Press Room
Compare sensational 1898 headlines to the facts and see how the press pushed the country to war.
Empire Builder Map
Map how Hawaii, Cuba, the Philippines, and the Panama Canal joined America's new empire.
Muckraker's Desk
Open real exposés — The Jungle, Standard Oil, anti-lynching pamphlets — and see the laws they sparked.
Big Stick Diplomacy
Play Theodore Roosevelt: speak softly or swing the big stick, and watch each path play out.
Doughboy: Trial by Fire
Make tactical calls as a doughboy in the Meuse-Argonne, WWI's deadliest American campaign.
Silent Sentinel
Picket as a 1917 suffragist, balancing bold protest and arrest on the road to the 19th Amendment.
Speakeasy Secrets
Explore a hidden speakeasy to learn Prohibition, organized crime, and flapper culture.
Assembly Line Simulator
Build a Model T on the moving line and uncover the strings behind Ford's $5 day.
New Deal Alphabet Soup
Click the New Deal 'alphabet soup' — FDIC, SSA, CCC — and see what still shapes America today.
Bootlegger's Run
Make risk-and-reward calls as an agent, bootlegger, or speakeasy owner in Prohibition.
Dust Bowl Survivor
Guide an Oklahoma farm family through drought, dust storms, and the choice to stay or go west.
Pass the New Deal
Vote on New Deal programs as rival characters, then face the Court and the court-packing fight.
Home Front Command Center
Tap a 1940s home front — ration book, victory garden, Rosie, Double V — to see the war's reach.
Two Theaters, One War
Explore the Pacific and European theaters on a split WWII map, side by side.
Thirteen Days: An Interactive Clock
Walk the Cuban Missile Crisis day by day, from the U-2 photos to the secret Turkey deal.
Island Hop
Choose which Pacific islands to take or bypass — and learn why it saved time and lives.
ExComm: 13 Days
Advise President Kennedy through 13 days: air strike, invasion, blockade, or diplomacy.
Credibility Gap
Play a soldier and a journalist to reveal the gap between war reports and reality.
From Plessy to Brown: The Case Ladder
Climb the case ladder — Plessy, Sweatt, Hernandez, Brown — that dismantled 'separate but equal.'
Jim Crow's Three Layers
Peel back Jim Crow's three layers: laws, 'etiquette,' and terror.
Anatomy of a Boycott
Meet the real planners behind the Montgomery Bus Boycott — Parks, Colvin, Robinson, Nixon.
Build the Case
Play an NAACP lawyer sequencing the cases that toppled school segregation.
Sit-In
Hold to nonviolence under pressure at a lunch-counter sit-in and keep public sympathy.
Selma: Bloody Sunday to the Vote
March the stages of Selma to the passage of the Voting Rights Act.
The Three-Legged Stool
Click the New Right's 'three-legged stool' — plus the Moral Majority and Heritage Foundation.
Reaganomics Report Card
Weigh Reaganomics with real 1980s data on inflation, jobs, and the national debt.
The Wall Comes Down
Follow the news-ticker of 1989 to the night the Berlin Wall came down.
Iran-Contra: Connect the Dots
Connect the clues linking arms sales to Iran and secret funding for the Contras.
The Pajama Summit
Play Reagan winning votes for the 1981 tax cut in a high-stakes negotiation.
Domino or Détente?
Choose reform or hardline moves and watch the Soviet bloc fall, 1989–1991.
Primary or Secondary?
Sort diaries, photos, textbooks, and news into primary vs. secondary sources.
Spot the Bias
Highlight loaded words and viewpoints hidden inside real primary-source excerpts.
Chronology Trainer
Tap a timeline of turning-point years to see why each one changed history.
Timeline Detective
Race the clock to put U.S. history's turning-point years in order.
Source Sleuth
Use primary-source clues to crack a history case — and test if a source can be trusted.
Claim & Evidence Builder
Build an evidence-backed claim by choosing strong facts and rejecting weak ones.