| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,970 |
| WWII Geography | 0 | - | 4.81 | 120,892 |
| Countries in World War I | 0 | - | 4.88 | 229,004 |
| Countries in World War II | 0 | - | 4.53 | 917,971 |
| Important Cities in WWII | 0 | - | 4.42 | 93,826 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,154 |
| Battle to Country | 0 | - | 4.91 | 53,887 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,936 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,469 |
| Countries with NO Military | 0 | - | 4.97 | 63,263 |
| WWII Decoder | 0 | - | 4.41 | 53,782 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,723 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,281 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,179 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,255 |
| WWII for Dummies | 0 | - | 4.78 | 105,540 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,165 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,012 |
| Communist Countries in History | 0 | - | 4.63 | 497,800 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,147 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,666 |
| Name the English Monarchs | 0 | - | 4.91 | 505,901 |
| Independence from Whom | 0 | - | 4.99 | 212,873 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,301 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,789 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,001 |
| Countries by Founding Story | 0 | - | 4.95 | 77,725 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 48,032 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,081 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,210 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,749 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,735 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,448 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,305 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,852 |
| Cities by Former Name | 0 | - | 4.83 | 91,980 |
| NATO Countries | 0 | - | 4.98 | 283,031 |
| EU Countries Quiz | 0 | - | 4.99 | 277,373 |
| Recently Independent Countries | 0 | - | 4.98 | 159,880 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,120 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,593 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,822 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,551 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,984 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,415 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,042 |
| Countries by Former Name | 0 | - | 4.99 | 125,723 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,722 |
| Historical City to Country | 0 | - | 4.85 | 78,959 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,232 |
| The American Civil War | 0 | - | 4.62 | 52,609 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,586 |
| Former Capitals | 0 | - | 4.88 | 71,643 |
| Coldest World Capitals | 0 | - | 4.95 | 134,115 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,545 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,007 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,493 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,080 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,103 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,649 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,983 |
| Buddhist Countries | 0 | - | 4.96 | 144,968 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,461 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,689 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,813 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,057 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,562 |
| Countries that Start with A | 0 | - | 4.98 | 2,173,772 |
| Countries that Start with B | 0 | - | 4.95 | 2,304,746 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,081 |
| Countries that Start with D | 0 | - | 4.96 | 715,451 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,941 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,308 |
| Countries that Start with H | 0 | - | 4.96 | 608,891 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,691 |
| Countries that Start with J | 0 | - | 4.98 | 606,293 |
| Countries that Start with K | 0 | - | 4.97 | 820,066 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,905 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,967 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,209 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,949 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,225 |
| Countries that Start with U | 0 | - | 4.97 | 907,959 |
| Countries that Start with V | 0 | - | 4.98 | 611,626 |
| Countries that Start with F | 0 | - | 4.83 | 620,775 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,311 |
| Former Flags | 0 | - | 4.97 | 108,425 |
| World Currency Quiz | 0 | - | 4.92 | 306,257 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,213 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,604 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,478 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,665 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,978 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,294 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,585 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,900 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,514 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,217 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,388 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,899 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,776 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,198 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,425 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,052 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,517 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,240 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,580 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,292 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,286 |
| Orthodox Countries | 0 | - | 4.92 | 132,688 |
| Richest Island Countries | 0 | - | 4.85 | 101,135 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,755 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,932 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,254 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,405 |
| Monarchies of Europe | 0 | - | 4.90 | 98,759 |
| Monarchies of Asia | 0 | - | 4.97 | 71,450 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,903 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,865 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,517 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,874 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,126 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,122 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,882 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,235 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,384,608 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,069 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,052 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,367 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,727 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,864 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,406 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,897 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,001 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,423 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,985 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,773 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,693 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,699 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,781 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,531 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,641 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,975 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,915 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,623 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,412 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,418 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,609 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,141 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,204 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,071 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,635 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,725 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,480 |
| Military History Vocabulary | 0 | - | 4.91 | 67,586 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,180 |
| Ancient City to Country | 0 | - | 4.70 | 108,300 |
| City-States | 0 | - | 4.53 | 37,381 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,789 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,205 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,547 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,933 |
| Countries by Independence Day | 0 | - | 4.62 | 52,850 |
| Former Countries by Capital | 0 | - | 4.45 | 127,772 |
| Former Countries | 0 | - | 4.77 | 134,150 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,281 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,557,848 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,354 |
| Name a Country A-Z | 0 | - | 5.00 | 245,434 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,159 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,807 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,322 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,574 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,803 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,130 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,240 |
| Name that Greek Letter | 0 | - | 4.93 | 324,822 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,934 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,914 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,346 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,196 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,504 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,870 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,965 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 116,954 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,540 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,881 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,248 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,192 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,324 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,313 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,520 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,813,456 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,967 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,161 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,818 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,584 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,579 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,312 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,440 |
