| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,157 |
| Countries in World War I | 0 | - | 4.88 | 227,340 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,282 |
| Countries in World War II | 0 | - | 4.54 | 907,956 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,058 |
| Important Cities in WWII | 0 | - | 4.42 | 93,162 |
| Battle to Country | 0 | - | 4.91 | 52,865 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,153 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,118 |
| Countries with NO Military | 0 | - | 4.97 | 61,530 |
| WWII Decoder | 0 | - | 4.41 | 53,311 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,088 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,026 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,881 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,691 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,019 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,738 |
| Communist Countries in History | 0 | - | 4.63 | 493,712 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,563 |
| WWII for Dummies | 0 | - | 4.80 | 104,302 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,686 |
| Name the English Monarchs | 0 | - | 4.92 | 499,837 |
| Independence from Whom | 0 | - | 4.99 | 210,434 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,251 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,185 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,501 |
| Countries by Founding Story | 0 | - | 4.95 | 76,826 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,394 |
| Cities by Former Name | 0 | - | 4.84 | 91,221 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,532 |
| NATO Countries | 0 | - | 4.98 | 277,802 |
| EU Countries Quiz | 0 | - | 4.99 | 271,378 |
| Recently Independent Countries | 0 | - | 4.98 | 158,321 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,874 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,334 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,067 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,008 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,441 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,705 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,129 |
| Countries by Former Name | 0 | - | 4.99 | 124,631 |
| Historical City to Country | 0 | - | 4.84 | 78,297 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 57,739 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,825 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,362 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,799 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,639 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,473 |
| The American Civil War | 0 | - | 4.62 | 52,261 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,040 |
| Former Capitals | 0 | - | 4.88 | 71,263 |
| Coldest World Capitals | 0 | - | 4.95 | 133,196 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,833 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,059 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,178 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,039 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,394 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,353 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,411 |
| Buddhist Countries | 0 | - | 4.96 | 143,330 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,141 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,846 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,098 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,722 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,657 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,895 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,247 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,621 |
| Countries that Start with D | 0 | - | 4.96 | 704,521 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,046 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,580 |
| Countries that Start with H | 0 | - | 4.96 | 600,418 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,162 |
| Countries that Start with J | 0 | - | 4.98 | 598,443 |
| Countries that Start with K | 0 | - | 4.97 | 811,656 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,679 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,635 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,463 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,275 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,282 |
| Countries that Start with U | 0 | - | 4.97 | 901,619 |
| Countries that Start with V | 0 | - | 4.98 | 606,588 |
| Countries that Start with F | 0 | - | 4.83 | 614,213 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,414 |
| Former Flags | 0 | - | 4.97 | 107,111 |
| World Currency Quiz | 0 | - | 4.92 | 300,219 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,649 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,333 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,370 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,298 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,639 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 86,924 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,260 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,808 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,884 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,728 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,576 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,083 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,564 |
| Orthodox Countries | 0 | - | 4.92 | 130,841 |
| Richest Island Countries | 0 | - | 4.84 | 99,912 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,382 |
| Monarchies of Europe | 0 | - | 4.90 | 97,654 |
| Monarchies of Asia | 0 | - | 4.97 | 70,799 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,530 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,669 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,071 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,988 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,074 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,427 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,409 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,601 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,728 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,653 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,948 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,786 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,931 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,957 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,624 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 84,033 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,027 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,413 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,838 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,163 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,595 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,638 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,764 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,474 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,803 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,906 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,446 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,322 |
| Military History Vocabulary | 0 | - | 4.91 | 66,834 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,613 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,975 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,229 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,527 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,988 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,907 |
| Ancient City to Country | 0 | - | 4.70 | 107,772 |
| City-States | 0 | - | 4.53 | 37,166 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,572 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,024 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,311 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,016 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,394 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,888 |
| Countries by Independence Day | 0 | - | 4.61 | 52,666 |
| Former Countries by Capital | 0 | - | 4.45 | 127,224 |
| Former Countries | 0 | - | 4.75 | 132,935 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,409 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,321 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,528 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,196 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,535 |
| Name a Country A-Z | 0 | - | 5.00 | 241,555 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,568 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,442 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,664 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,521 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,603 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,696 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,218 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,736 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,263 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,771 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,311 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,609 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,797 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,499 |
| World's Biggest Financial Centers | 0 | - | 4.52 | 53,938 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,383 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,071 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,099 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,129,217 |
| OPEC Countries | 0 | - | 4.74 | 84,921 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,796 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,900 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 46,272 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,725 |
| The Trojan War | 0 | - | 4.83 | 39,545 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,093 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,250 |
| Roman Emperors | 0 | - | 4.95 | 119,142 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,676 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,451 |
| Boundary Waters | 0 | - | 4.92 | 88,200 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,937 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,606 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,750 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,081 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,994 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,226 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,058 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,209 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,671 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,118 |
| Landlocked Countries | 0 | - | 4.99 | 416,215 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,716 |
| Guerrillas by Country | 0 | - | 4.40 | 41,023 |
