| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,636 |
| Countries in World War I | 0 | - | 4.88 | 228,683 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,295 |
| Countries in World War II | 0 | - | 4.54 | 916,264 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,956 |
| Important Cities in WWII | 0 | - | 4.42 | 93,705 |
| Battle to Country | 0 | - | 4.91 | 53,685 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,022 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,351 |
| Countries with NO Military | 0 | - | 4.97 | 62,850 |
| WWII Decoder | 0 | - | 4.41 | 53,709 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,626 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,241 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,126 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,891 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,134 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,959 |
| Communist Countries in History | 0 | - | 4.63 | 497,139 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,148 |
| WWII for Dummies | 0 | - | 4.78 | 105,336 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,455 |
| Name the English Monarchs | 0 | - | 4.91 | 504,883 |
| Independence from Whom | 0 | - | 4.99 | 212,430 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,980 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,673 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,661 |
| Countries by Founding Story | 0 | - | 4.95 | 77,488 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,951 |
| Cities by Former Name | 0 | - | 4.83 | 91,848 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,358 |
| NATO Countries | 0 | - | 4.98 | 282,226 |
| EU Countries Quiz | 0 | - | 4.99 | 276,388 |
| Recently Independent Countries | 0 | - | 4.98 | 159,651 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,661 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,264 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,482 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,113 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,689 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,615 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,901 |
| Countries by Former Name | 0 | - | 4.99 | 125,504 |
| Historical City to Country | 0 | - | 4.85 | 78,729 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,329 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,175 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,400 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,282 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,199 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,795 |
| The American Civil War | 0 | - | 4.62 | 52,549 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,417 |
| Former Capitals | 0 | - | 4.88 | 71,580 |
| Coldest World Capitals | 0 | - | 4.95 | 134,019 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,279 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,869 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,160 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,840 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,010 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,603 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,745 |
| Buddhist Countries | 0 | - | 4.96 | 144,783 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,217 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,541 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,692 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,809 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,250 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,969 |
| Countries that Start with B | 0 | - | 4.95 | 2,301,011 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,366 |
| Countries that Start with D | 0 | - | 4.96 | 713,471 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,624 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,905 |
| Countries that Start with H | 0 | - | 4.96 | 607,461 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,853 |
| Countries that Start with J | 0 | - | 4.98 | 604,956 |
| Countries that Start with K | 0 | - | 4.97 | 818,594 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,132 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,185 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,522 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,558 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,836 |
| Countries that Start with U | 0 | - | 4.97 | 906,560 |
| Countries that Start with V | 0 | - | 4.98 | 610,806 |
| Countries that Start with F | 0 | - | 4.83 | 619,664 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,442 |
| Former Flags | 0 | - | 4.97 | 108,162 |
| World Currency Quiz | 0 | - | 4.92 | 305,189 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,127 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,538 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,729 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,090 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,273 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,724 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,674 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,985 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,339 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,396 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,431 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,269 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,024 |
| Orthodox Countries | 0 | - | 4.92 | 132,464 |
| Richest Island Countries | 0 | - | 4.85 | 100,938 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,226 |
| Monarchies of Europe | 0 | - | 4.90 | 98,515 |
| Monarchies of Asia | 0 | - | 4.97 | 71,337 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,171 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,227 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,967 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,389 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,582 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,026 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,812 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,126 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,862 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,815 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,157 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,615 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,710 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,463 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,683 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,832 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,202 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,728 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,771 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,790 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,289 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,738 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,080 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,965 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,271 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,351 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,506 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,291 |
| Military History Vocabulary | 0 | - | 4.91 | 67,458 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,788 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,160 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,611 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,820 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,328 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,402 |
| Ancient City to Country | 0 | - | 4.70 | 108,220 |
| City-States | 0 | - | 4.53 | 37,338 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,750 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,177 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,514 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,715 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,660 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,989 |
| Countries by Independence Day | 0 | - | 4.62 | 52,815 |
| Former Countries by Capital | 0 | - | 4.45 | 127,681 |
| Former Countries | 0 | - | 4.77 | 134,033 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,541 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,659 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,149 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,898 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,912 |
| Name a Country A-Z | 0 | - | 5.00 | 244,702 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,515 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,449 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,582 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,760 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,596 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,385 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,562 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,414 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,242 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,282 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,188 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,431 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,643 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 55,036 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,133 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,627 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,216 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,440 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,693,939 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,609 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,919 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,465 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 47,752 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,174 |
| The Trojan War | 0 | - | 4.83 | 39,899 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,528 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,375 |
| Roman Emperors | 0 | - | 4.95 | 120,703 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,877 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,845 |
| Boundary Waters | 0 | - | 4.92 | 88,648 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,320 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,428 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,977 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,752 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,733 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,473 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,141 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,428 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,889 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,220 |
| Landlocked Countries | 0 | - | 4.99 | 423,355 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,909 |
| Guerrillas by Country | 0 | - | 4.40 | 41,184 |
