| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,655 |
| WWII Geography | 0 | - | 4.81 | 120,732 |
| Countries in World War I | 0 | - | 4.88 | 228,704 |
| Countries in World War II | 0 | - | 4.54 | 916,391 |
| Important Cities in WWII | 0 | - | 4.42 | 93,711 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,967 |
| Battle to Country | 0 | - | 4.91 | 53,697 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,093 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,423 |
| Countries with NO Military | 0 | - | 4.97 | 62,869 |
| WWII Decoder | 0 | - | 4.41 | 53,713 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,635 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,244 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,127 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,159 |
| WWII for Dummies | 0 | - | 4.78 | 105,343 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,905 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,963 |
| Communist Countries in History | 0 | - | 4.63 | 497,195 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,136 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,467 |
| Name the English Monarchs | 0 | - | 4.91 | 504,946 |
| Independence from Whom | 0 | - | 4.99 | 212,462 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,997 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,678 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,677 |
| Countries by Founding Story | 0 | - | 4.95 | 77,498 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 47,771 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,959 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,418 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,695 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,595 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,337 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,211 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,798 |
| Cities by Former Name | 0 | - | 4.83 | 91,858 |
| NATO Countries | 0 | - | 4.98 | 282,276 |
| EU Countries Quiz | 0 | - | 4.99 | 276,449 |
| Recently Independent Countries | 0 | - | 4.98 | 159,669 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,684 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,282 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,501 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,144 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,646 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,473 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,907 |
| Countries by Former Name | 0 | - | 4.99 | 125,517 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,313 |
| Historical City to Country | 0 | - | 4.85 | 78,736 |
| The American Civil War | 0 | - | 4.62 | 52,556 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,428 |
| Former Capitals | 0 | - | 4.88 | 71,584 |
| Coldest World Capitals | 0 | - | 4.95 | 134,030 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,286 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,882 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,181 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,852 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,017 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,610 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,761 |
| Buddhist Countries | 0 | - | 4.96 | 144,794 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,228 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,550 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,701 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,828 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,274 |
| Countries that Start with A | 0 | - | 4.98 | 2,170,229 |
| Countries that Start with B | 0 | - | 4.95 | 2,301,321 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,566 |
| Countries that Start with D | 0 | - | 4.96 | 713,631 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,789 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,074 |
| Countries that Start with H | 0 | - | 4.96 | 607,557 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,990 |
| Countries that Start with J | 0 | - | 4.98 | 605,056 |
| Countries that Start with K | 0 | - | 4.97 | 818,694 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,249 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,297 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,619 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,730 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,937 |
| Countries that Start with U | 0 | - | 4.97 | 906,631 |
| Countries that Start with V | 0 | - | 4.98 | 610,864 |
| Countries that Start with F | 0 | - | 4.83 | 619,746 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,574 |
| Former Flags | 0 | - | 4.97 | 108,185 |
| World Currency Quiz | 0 | - | 4.92 | 305,270 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,135 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,540 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,847 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,193 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,631 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,830 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,347 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,737 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,410 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,103 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,277 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,735 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,678 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,004 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,345 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,732 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,405 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,004 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,443 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,270 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,040 |
| Orthodox Countries | 0 | - | 4.92 | 132,480 |
| Richest Island Countries | 0 | - | 4.85 | 100,953 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,552 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,686 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,153 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,246 |
| Monarchies of Europe | 0 | - | 4.90 | 98,537 |
| Monarchies of Asia | 0 | - | 4.97 | 71,342 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,215 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,270 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,005 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,425 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,622 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,033 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,819 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,135 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,365,425 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,881 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,828 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,170 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,623 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,720 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,529 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,701 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,848 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,222 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,750 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,526 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,459 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,589 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,612 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,393 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,566 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,790 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,809 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,357 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,869 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,259 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,303 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,084 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,986 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,360 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,375 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,523 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,302 |
| Military History Vocabulary | 0 | - | 4.91 | 67,467 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,937 |
| Ancient City to Country | 0 | - | 4.70 | 108,225 |
| City-States | 0 | - | 4.53 | 37,345 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,754 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,178 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,515 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,676 |
| Countries by Independence Day | 0 | - | 4.62 | 52,819 |
| Former Countries by Capital | 0 | - | 4.45 | 127,687 |
| Former Countries | 0 | - | 4.77 | 134,042 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,920 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,555,111 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,942 |
| Name a Country A-Z | 0 | - | 5.00 | 244,754 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,776 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,447 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,203 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,440 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,655 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 55,046 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,174 |
| Name that Greek Letter | 0 | - | 4.93 | 324,497 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,882 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,847 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,159 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,858 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,385 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,530 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,747 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,105 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,161 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,647 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,217 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,087 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,220 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,165 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,449 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,702,239 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,629 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,937 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,722 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,357 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,471 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,174 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,302 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 64,824 |
