| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,798 |
| Countries in World War I | 0 | - | 4.88 | 229,477 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,819 |
| Countries in World War II | 0 | - | 4.55 | 920,452 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,511 |
| Important Cities in WWII | 0 | - | 4.42 | 94,287 |
| Battle to Country | 0 | - | 4.91 | 54,133 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,004 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,130 |
| Countries with NO Military | 0 | - | 4.97 | 63,630 |
| WWII Decoder | 0 | - | 4.41 | 53,922 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,977 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,360 |
| Countries by Percent WWII Deaths | 0 | - | 4.05 | 30,263 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,487 |
| WWII Movies by Plot | 0 | - | 4.22 | 27,191 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,084 |
| Communist Countries in History | 0 | - | 4.63 | 498,816 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,405 |
| WWII for Dummies | 0 | - | 4.78 | 105,894 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,031 |
| Name the English Monarchs | 0 | - | 4.91 | 507,465 |
| Independence from Whom | 0 | - | 4.99 | 213,461 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,707 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,935 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,318 |
| Countries by Founding Story | 0 | - | 4.95 | 77,923 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,237 |
| Cities by Former Name | 0 | - | 4.83 | 92,204 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,516 |
| NATO Countries | 0 | - | 4.98 | 284,093 |
| EU Countries Quiz | 0 | - | 4.99 | 278,994 |
| Recently Independent Countries | 0 | - | 4.98 | 160,535 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,849 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,058 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,207 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,135 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,823 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,534 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,207 |
| Countries by Former Name | 0 | - | 4.99 | 125,999 |
| Historical City to Country | 0 | - | 4.85 | 79,107 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,622 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,321 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,810 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,454 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,381 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,479 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,950 |
| The American Civil War | 0 | - | 4.62 | 52,667 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,848 |
| Former Capitals | 0 | - | 4.88 | 71,735 |
| Coldest World Capitals | 0 | - | 4.95 | 134,304 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,699 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,198 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,973 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,293 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,255 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,732 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,374 |
| Buddhist Countries | 0 | - | 4.96 | 145,280 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,790 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,869 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,995 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,346 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,024 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,891 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,505 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,796 |
| Countries that Start with D | 0 | - | 4.96 | 718,074 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,998 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,586 |
| Countries that Start with H | 0 | - | 4.96 | 610,745 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,140 |
| Countries that Start with J | 0 | - | 4.98 | 608,114 |
| Countries that Start with K | 0 | - | 4.97 | 821,952 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,323 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,435 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,546 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,188 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,091 |
| Countries that Start with U | 0 | - | 4.97 | 909,374 |
| Countries that Start with V | 0 | - | 4.98 | 612,663 |
| Countries that Start with F | 0 | - | 4.83 | 622,181 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,874 |
| Former Flags | 0 | - | 4.97 | 108,849 |
| World Currency Quiz | 0 | - | 4.92 | 307,677 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,344 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,681 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,152 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,497 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,621 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 88,124 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,956 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,537 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,567 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,716 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,824 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,340 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,667 |
| Orthodox Countries | 0 | - | 4.92 | 132,987 |
| Richest Island Countries | 0 | - | 4.85 | 101,384 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,627 |
| Monarchies of Europe | 0 | - | 4.90 | 99,049 |
| Monarchies of Asia | 0 | - | 4.97 | 71,621 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,669 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,505 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,072 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,379 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,969 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,309 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,998 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,368 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,401 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,407 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,707 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,094 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,087 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,676 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,164 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 85,247 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,732 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,370 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,270 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,119 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,105 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,101 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,275 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,582 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,115 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,035 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,038 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,743 |
| Military History Vocabulary | 0 | - | 4.92 | 67,772 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,386 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,307 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,576 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,615 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,944 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,653 |
| Ancient City to Country | 0 | - | 4.72 | 108,409 |
| City-States | 0 | - | 4.53 | 37,442 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,860 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,362 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,690 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,541 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,347 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,568 |
| Countries by Independence Day | 0 | - | 4.62 | 52,882 |
| Former Countries by Capital | 0 | - | 4.45 | 127,906 |
| Former Countries | 0 | - | 4.77 | 134,332 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,965 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,272 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,408 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,754 |
| One Country By Letter By Continent | 0 | - | 5.00 | 126,049 |
| Name a Country A-Z | 0 | - | 5.00 | 246,304 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,087 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,973 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,820 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,718 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,057 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,727 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,765 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,291 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,720 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,063 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,533 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,812 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,035 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,303 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,095 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,227 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,292 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,682 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,985,732 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,446 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,635 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,802 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 48,427 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,419 |
| The Trojan War | 0 | - | 4.83 | 40,090 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,262 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,705 |
| Roman Emperors | 0 | - | 4.95 | 121,459 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,006 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,034 |
| Boundary Waters | 0 | - | 4.92 | 88,852 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,473 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,595 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,082 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,101 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,589 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,799 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,212 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,285 |
| Landlocked Countries | 0 | - | 4.99 | 427,442 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,979 |
