Mode 03
Topic Specific
Pick one. Drill until you own it.
Choose a single topic — Ancient Rome, the Renaissance, the Cold War, U.S. Presidents — and only that topic appears. Ideal for focused study sessions.
- ▸Twenty topics to choose from.
- ▸Same Glicko-2 rating updates apply within the topic.
- ▸Best for cramming a specific area before a test.
Sample questions
What you’ll see.
First clue only — the hardest one. The real flow shows you three clues progressively. Buzz in on the first to gain the most rating.
Sample 1 · asian history
ELO 650
Clue 1This defensive structure was significantly expanded during the Ming Dynasty to protect against invasions from the north, featuring watchtowers and garrison stations across thousands of miles.
Reveal answer
Great Wall of China
Sample 2 · latin american history
ELO 1100
Clue 1This 1846-1848 conflict resulted in Mexico ceding approximately 55% of its territory to the United States through the Treaty of Guadalupe Hidalgo, fundamentally reshaping North American geopolitics.
Reveal answer
Mexican-American War
Sample 3 · us history
ELO 1800
Clue 1This 1794 uprising in western Pennsylvania tested federal authority and Hamilton's excise tax, prompting Washington to mobilize militia.
Reveal answer
Whiskey Rebellion
Sample 4 · medieval europe
ELO 2400
Clue 1This 1521 imperial assembly required Martin Luther to recant his ninety-five theses, leading to his excommunication and the emergence of Lutheranism as a distinct movement.
Reveal answer
Diet of Worms
Sample 5 · us history
ELO 3000
Clue 1This constitutional conflict emerged from South Carolina's assertion that states could invalidate federal tariffs within their borders, drawing on compact theory and presaging the doctrine that would justify secession three decades later.
Reveal answer
The Nullification Crisis
Available topics
Twenty subjects. Pick yours.
American Revolution
111 questions
Ancient Rome
105 questions
African History
102 questions
Civics
100 questions
Ancient Greece
97 questions
Asian History
96 questions
Civil War
95 questions
Exploration
95 questions
Ancient Egypt
94 questions
Cold War
94 questions
Geography
11 questions
Ready?
Climb starts now.
The ladder is populated by some of the most serious history obsessives in the world. Every correct answer moves you up. Every wrong one slides you back.