| Axis Occupied Countries of WWII | 0 | - | 4.99 | 210,071 |
| WWII Geography | 0 | - | 4.81 | 100,360 |
| Countries in World War I | 0 | - | 4.88 | 211,178 |
| Countries in World War II | 0 | - | 4.57 | 819,925 |
| Important Cities in WWII | 0 | - | 4.46 | 84,372 |
| WWII Figures by Picture | 0 | - | 4.88 | 41,253 |
| Battle to Country | 0 | - | 4.92 | 36,280 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 227,850 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 231,087 |
| Countries with NO Military | 0 | - | 4.97 | 50,370 |
| WWII Decoder | 0 | - | 4.44 | 49,196 |
| Name a Valid Answer - World War II | 0 | - | 4.51 | 48,564 |
| Cities Bombed During WWII | 0 | - | 4.05 | 27,367 |
| Countries by Percent WWII Deaths | 0 | - | 4.21 | 26,357 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.76 | 58,815 |
| WWII for Dummies | 0 | - | 4.76 | 92,804 |
| Countries with the Most Tanks | 0 | - | 4.89 | 76,260 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.85 | 50,059 |
| World Leaders of the World Wars | 0 | - | 4.40 | 34,609 |
| Communist Countries in History | 0 | - | 4.65 | 458,782 |
| WWII Movies | 0 | - | 4.19 | 25,797 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,234 |
| English Monarchs Quiz | 0 | - | 4.91 | 451,192 |
| Independence from Whom | 0 | - | 4.99 | 187,754 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,724 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,556 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,914 |
| Countries by Founding Story | 0 | - | 4.93 | 55,495 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 40,251 |
| Countries that Have Won the Most Battles | 0 | - | 4.05 | 36,413 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 46,856 |
| WWII A-Z #1 | 0 | - | 4.79 | 94,327 |
| WWII A-Z #2 | 0 | - | 4.47 | 50,385 |
| Cities by Former Name | 0 | - | 4.86 | 72,141 |
| NATO Countries Quiz | 0 | - | 4.98 | 227,834 |
| EU Countries Quiz | 0 | - | 4.99 | 230,033 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 145,558 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,430 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 126,771 |
| Countries of the World in 1900 | 0 | - | 4.87 | 67,626 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 172,309 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 129,631 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,315 |
| Countries by Former Name | 0 | - | 4.99 | 114,746 |
| Historical City to Country | 0 | - | 4.82 | 72,754 |
| The American Civil War | 0 | - | 4.63 | 49,318 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 119,250 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,340 |
| Coldest World Capitals | 0 | - | 4.96 | 128,435 |
| Majority Muslim Countries | 0 | - | 4.97 | 315,820 |
| Countries with U.S. Troops | 0 | - | 4.39 | 126,027 |
| Countries Settled by Vikings | 0 | - | 4.93 | 112,181 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,069 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,159 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,011 |
| Warsaw Pact Countries | 0 | - | 4.84 | 80,496 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 73,885 |
| Buddhist Countries | 0 | - | 4.96 | 131,663 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 87,991 |
| Countries of the World in 1444 | 0 | - | 4.98 | 50,571 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.81 | 50,101 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 40,576 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,207 |
| Countries that Start with A | 0 | - | 4.98 | 1,962,028 |
| Countries that Start with B | 0 | - | 4.95 | 2,101,028 |
| Countries that Start with C | 0 | - | 4.96 | 1,662,322 |
| Countries that Start with D | 0 | - | 4.96 | 603,197 |
| Countries that Start with E | 0 | - | 4.95 | 1,244,472 |
| Countries that Start with G | 0 | - | 4.97 | 1,364,144 |
| Countries that Start with H | 0 | - | 4.96 | 514,517 |
| Countries that Start with I | 0 | - | 4.92 | 1,173,345 |
| Countries that Start with J | 0 | - | 4.98 | 517,218 |
| Countries that Start with K | 0 | - | 4.96 | 722,305 |
| Countries that Start with L | 0 | - | 4.98 | 981,931 |
| Countries that Start with N | 0 | - | 4.93 | 1,008,382 |
| Countries that Start with P | 0 | - | 4.95 | 1,110,757 |
| Countries that Start with S | 0 | - | 4.98 | 1,617,686 |
| Countries that Start with T | 0 | - | 4.89 | 919,379 |
| Countries that Start with U | 0 | - | 4.96 | 829,075 |
| Countries that Start with V | 0 | - | 4.98 | 555,251 |
| Countries that Start with F | 0 | - | 4.83 | 544,448 |
| Countries that Start with M | 0 | - | 4.97 | 1,264,837 |
| Former Flags | 0 | - | 4.98 | 82,307 |
| World Currency Quiz | 0 | - | 4.92 | 249,428 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 48,404 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,347 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 144,901 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.91 | 94,105 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 80,546 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 83,452 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,858 |
| Largest City on Every Continent A-Z | 0 | - | 4.96 | 32,782 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 40,516 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.99 | 77,900 |
| Capitals A-Z | 0 | - | 4.85 | 42,069 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.90 | 90,355 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,999 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 115,919 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 85,577 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.87 | 68,810 |
| World Capitals in the Answer | 0 | - | 4.94 | 68,009 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,538 |
| Countries with the Most Catholics | 0 | - | 4.91 | 94,719 |
| Orthodox Countries | 0 | - | 4.91 | 118,701 |
| Richest Island Countries | 0 | - | 4.87 | 88,582 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,315 |
| Richest Countries A-Z | 0 | - | 4.92 | 89,351 |
| Large Countries with Small Economies | 0 | - | 4.94 | 71,203 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 69,682 |
| Monarchies of Europe | 0 | - | 4.88 | 87,692 |
| Monarchies of Asia | 0 | - | 4.95 | 54,487 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,491 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,417 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,305 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,621 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,253 |
| Top Five Countries by Random Categories | 0 | - | 4.96 | 109,966 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 61,870 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.92 | 40,654 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,213,947 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 283,599 |
| Countries with the Most Muslims | 0 | - | 4.93 | 132,888 |
| Countries with the Most Exports | 0 | - | 4.96 | 138,982 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 163,895 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,155 |
| Largest Economies in 2050 | 0 | - | 4.89 | 100,816 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 241,026 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 90,459 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.85 | 67,355 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,543 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 178,404 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,147 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,432 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,984 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 129,779 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.90 | 88,423 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.96 | 63,422 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,292 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,097 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 94,600 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 101,453 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 135,040 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 63,892 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 50,416 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 59,671 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 47,124 |
| Military History Vocabulary | 0 | - | 4.92 | 60,657 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 103,887 |
| Ancient City to Country | 0 | - | 4.76 | 101,537 |
| City-States | 0 | - | 4.54 | 35,033 |
| Damaged and Destroyed Cities | 0 | - | 4.41 | 42,038 |
| Divided World City Name Puzzle #2 | 0 | - | 4.91 | 29,926 |
| City Where It Happened #2 | 0 | - | 4.44 | 50,469 |
| City Where It Happened #3 | 0 | - | 4.53 | 37,319 |
| Name a World Capital A-Z | 0 | - | 4.99 | 142,352 |
| Countries by Independence Day Quiz | 0 | - | 4.63 | 44,623 |
| Former Countries by Capital | 0 | - | 4.44 | 104,309 |
| Former Countries | 0 | - | 4.72 | 125,220 |
| Guerrillas by Country | 0 | - | 4.45 | 38,751 |
| Random Countries Hidden in the World Map | 0 | - | 4.85 | 94,276 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,347,310 |
| One Country By Letter By Continent | 0 | - | 5.00 | 73,862 |
| Name a Country A-Z | 0 | - | 5.00 | 206,461 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,043 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 84,775 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 31,505 |
| Countries of Iberia in History with a Map | 0 | - | 4.82 | 34,621 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.89 | 51,768 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 76,550 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.85 | 48,490 |
| People Born on Islands | 0 | - | 4.43 | 40,321 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 589,078 |
| Houses of British Monarchs | 0 | - | 4.50 | 52,554 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,793 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,018 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 94,663 |
| World's Biggest Financial Centers | 0 | - | 4.48 | 43,698 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 92,199 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,667 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,495 |
| Random European Capitals on a Map | 0 | - | 4.98 | 108,146 |
| One Capital by Letter by Continent | 0 | - | 4.92 | 3,617 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,422,474 |
| OPEC Countries Quiz | 0 | - | 4.72 | 81,095 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 223,468 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 74,204 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.79 | 36,679 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 72,500 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 61,329 |
| Countries in an Egg of the World Map | 0 | - | 4.94 | 56,904 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 160,501 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 54,568 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.95 | 65,179 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 167,004 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.87 | 89,838 |
| Country Quiz on a Map - France | 0 | - | 4.97 | 39,690 |
| Roman Provinces on a Map | 0 | - | 4.52 | 32,186 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,187 |
| Top 10 Hottest U.S. States | 0 | - | 4.83 | 101,712 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,330 |
