| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,560 |
| Countries in World War I | 0 | - | 4.88 | 227,701 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,562 |
| Countries in World War II | 0 | - | 4.54 | 909,960 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,886 |
| Important Cities in WWII | 0 | - | 4.42 | 93,296 |
| Battle to Country | 0 | - | 4.91 | 53,063 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,039 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,305 |
| Countries with NO Military | 0 | - | 4.97 | 61,826 |
| WWII Decoder | 0 | - | 4.41 | 53,434 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,230 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,074 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,937 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,996 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,046 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,779 |
| Communist Countries in History | 0 | - | 4.63 | 494,553 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,720 |
| WWII for Dummies | 0 | - | 4.79 | 104,609 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,363 |
| Name the English Monarchs | 0 | - | 4.91 | 500,967 |
| Independence from Whom | 0 | - | 4.99 | 211,121 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,557 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,312 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,822 |
| Countries by Founding Story | 0 | - | 4.95 | 76,985 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,532 |
| Cities by Former Name | 0 | - | 4.84 | 91,358 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,690 |
| NATO Countries | 0 | - | 4.98 | 278,826 |
| EU Countries Quiz | 0 | - | 4.99 | 272,429 |
| Recently Independent Countries | 0 | - | 4.98 | 158,838 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,496 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,773 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,402 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,510 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,499 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,169 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,321 |
| Countries by Former Name | 0 | - | 4.99 | 124,825 |
| Historical City to Country | 0 | - | 4.84 | 78,389 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 57,860 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,920 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,368 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,366 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,788 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,555 |
| The American Civil War | 0 | - | 4.62 | 52,341 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,513 |
| Former Capitals | 0 | - | 4.88 | 71,343 |
| Coldest World Capitals | 0 | - | 4.95 | 133,388 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,945 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,204 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,601 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,256 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,561 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,428 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,749 |
| Buddhist Countries | 0 | - | 4.96 | 143,586 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,363 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,020 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,229 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 52,988 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,006 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,871 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,922 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,635 |
| Countries that Start with D | 0 | - | 4.96 | 706,562 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,535 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,152 |
| Countries that Start with H | 0 | - | 4.96 | 602,153 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,153 |
| Countries that Start with J | 0 | - | 4.98 | 600,089 |
| Countries that Start with K | 0 | - | 4.97 | 813,216 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,930 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,808 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,315 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,011 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,751 |
| Countries that Start with U | 0 | - | 4.97 | 902,766 |
| Countries that Start with V | 0 | - | 4.98 | 607,877 |
| Countries that Start with F | 0 | - | 4.83 | 615,629 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,508 |
| Former Flags | 0 | - | 4.97 | 107,372 |
| World Currency Quiz | 0 | - | 4.91 | 301,384 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,763 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,391 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,577 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,545 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,816 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,137 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,380 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,071 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,010 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,862 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,761 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,132 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,928 |
| Orthodox Countries | 0 | - | 4.92 | 131,147 |
| Richest Island Countries | 0 | - | 4.84 | 100,181 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,563 |
| Monarchies of Europe | 0 | - | 4.90 | 97,850 |
| Monarchies of Asia | 0 | - | 4.97 | 70,915 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,168 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,235 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,544 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,388 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,694 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,555 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,515 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,732 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,006 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,944 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,259 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,915 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,153 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,695 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,895 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,259 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,334 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,731 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,070 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,307 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,001 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,444 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,839 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,747 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 76,025 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,165 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,626 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,518 |
| Military History Vocabulary | 0 | - | 4.91 | 66,967 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,298 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,462 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,550 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,978 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,238 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,020 |
| Ancient City to Country | 0 | - | 4.70 | 107,877 |
| City-States | 0 | - | 4.53 | 37,209 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,607 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,066 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,363 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,356 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,723 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,136 |
| Countries by Independence Day | 0 | - | 4.61 | 52,698 |
| Former Countries by Capital | 0 | - | 4.45 | 127,312 |
| Former Countries | 0 | - | 4.75 | 133,081 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,618 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,611 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,693 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,580 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,124 |
| Name a Country A-Z | 0 | - | 5.00 | 242,304 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,772 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,670 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,768 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,840 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,841 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,856 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,293 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,149 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,512 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,098 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,465 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,846 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,004 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,627 |
| World's Biggest Financial Centers | 0 | - | 4.51 | 66,954 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,652 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,105 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,187 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,262,381 |
| All OPEC Countries Ever | 0 | - | 4.75 | 90,262 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,063 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,036 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 46,641 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,813 |
| The Trojan War | 0 | - | 4.83 | 39,622 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,403 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,365 |
| Roman Emperors | 0 | - | 4.95 | 119,551 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,719 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,539 |
| Boundary Waters | 0 | - | 4.92 | 88,333 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,045 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,807 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,031 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,267 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,192 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,301 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,083 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,262 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,120 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,149 |
| Landlocked Countries | 0 | - | 4.99 | 417,945 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,766 |
| Guerrillas by Country | 0 | - | 4.40 | 41,057 |
