| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,831 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,829 |
| WWII Geography | 0 | - | 4.81 | 121,541 |
| Countries in World War I | 0 | - | 4.88 | 229,510 |
| Countries in World War II | 0 | - | 4.55 | 920,633 |
| Important Cities in WWII | 0 | - | 4.42 | 94,304 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,530 |
| Battle to Country | 0 | - | 4.91 | 54,148 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,076 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,250 |
| Countries with NO Military | 0 | - | 4.97 | 63,666 |
| WWII Decoder | 0 | - | 4.41 | 53,929 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,989 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,365 |
| Countries by Percent WWII Deaths | 0 | - | 4.05 | 30,266 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,410 |
| WWII for Dummies | 0 | - | 4.78 | 105,912 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,511 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,087 |
| Communist Countries in History | 0 | - | 4.63 | 498,891 |
| WWII Movies by Plot | 0 | - | 4.22 | 27,193 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,066 |
| Name the English Monarchs | 0 | - | 4.91 | 507,569 |
| Independence from Whom | 0 | - | 4.99 | 213,506 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,738 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,948 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,363 |
| Countries by Founding Story | 0 | - | 4.95 | 77,936 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 48,456 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,248 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,614 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,825 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,876 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,637 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,496 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,956 |
| Cities by Former Name | 0 | - | 4.83 | 92,214 |
| NATO Countries | 0 | - | 4.98 | 284,205 |
| EU Countries Quiz | 0 | - | 4.99 | 279,121 |
| Recently Independent Countries | 0 | - | 4.98 | 160,564 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,912 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,102 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,250 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,191 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,584 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,533 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,234 |
| Countries by Former Name | 0 | - | 4.99 | 126,017 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,451 |
| Historical City to Country | 0 | - | 4.85 | 79,114 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,326 |
| The American Civil War | 0 | - | 4.62 | 52,672 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,859 |
| Former Capitals | 0 | - | 4.88 | 71,748 |
| Coldest World Capitals | 0 | - | 4.95 | 134,343 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,703 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,209 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,006 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,306 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,272 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,923 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,394 |
| Buddhist Countries | 0 | - | 4.96 | 145,303 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,832 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,884 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,009 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,378 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,085 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,208 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,847 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,069 |
| Countries that Start with D | 0 | - | 4.96 | 718,260 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,234 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,830 |
| Countries that Start with H | 0 | - | 4.96 | 610,888 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,367 |
| Countries that Start with J | 0 | - | 4.98 | 608,225 |
| Countries that Start with K | 0 | - | 4.97 | 822,099 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,513 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,617 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,723 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,417 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,219 |
| Countries that Start with U | 0 | - | 4.97 | 909,509 |
| Countries that Start with V | 0 | - | 4.98 | 612,737 |
| Countries that Start with F | 0 | - | 4.83 | 622,297 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,050 |
| Former Flags | 0 | - | 4.97 | 108,872 |
| World Currency Quiz | 0 | - | 4.92 | 307,808 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,360 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,690 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,460 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,370 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,619 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,646 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,986 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,300 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,661 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,511 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,633 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 88,141 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,964 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,574 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,585 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,580 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,737 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,591 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,840 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,345 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,693 |
| Orthodox Countries | 0 | - | 4.92 | 133,005 |
| Richest Island Countries | 0 | - | 4.85 | 101,407 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,985 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,308 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,423 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,639 |
| Monarchies of Europe | 0 | - | 4.90 | 99,073 |
| Monarchies of Asia | 0 | - | 4.97 | 71,640 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,731 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,547 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,122 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,408 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,018 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,327 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 46,007 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,378 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,419,683 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,426 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,450 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,737 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,250 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,108 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,770 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,193 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 85,275 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,759 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,395 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,115 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,018 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,833 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,079 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,741 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,776 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,295 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,150 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,194 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,219 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,745 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,099 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,278 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,616 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,193 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,071 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,063 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,768 |
| Military History Vocabulary | 0 | - | 4.92 | 67,781 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,599 |
| Ancient City to Country | 0 | - | 4.72 | 108,416 |
| City-States | 0 | - | 4.53 | 37,444 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,865 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,363 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,694 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,386 |
| Countries by Independence Day | 0 | - | 4.62 | 52,887 |
| Former Countries by Capital | 0 | - | 4.45 | 127,913 |
| Former Countries | 0 | - | 4.77 | 134,343 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,789 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,562,410 |
| One Country By Letter By Continent | 0 | - | 5.00 | 126,104 |
| Name a Country A-Z | 0 | - | 5.00 | 246,372 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,764 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,327 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,552 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,841 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,057 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,313 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,242 |
| Name that Greek Letter | 0 | - | 4.93 | 325,378 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,008 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,043 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,634 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,774 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,742 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,458 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,118 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,945 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,139 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,258 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,295 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,352 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,457 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,597 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,713 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,998,613 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,480 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,656 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,981 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,915 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,827 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,589 |
