| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,146 |
| Countries in World War I | 0 | - | 4.88 | 227,333 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,280 |
| Countries in World War II | 0 | - | 4.54 | 907,933 |
| WWII Figures by Picture | 0 | - | 4.89 | 62,905 |
| Important Cities in WWII | 0 | - | 4.42 | 93,157 |
| Battle to Country | 0 | - | 4.91 | 52,860 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,147 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,100 |
| Countries with NO Military | 0 | - | 4.97 | 61,526 |
| WWII Decoder | 0 | - | 4.41 | 53,309 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,086 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,025 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,879 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,690 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,019 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,736 |
| Communist Countries in History | 0 | - | 4.63 | 493,699 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,563 |
| WWII for Dummies | 0 | - | 4.80 | 104,300 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,684 |
| Name the English Monarchs | 0 | - | 4.92 | 499,817 |
| Independence from Whom | 0 | - | 4.99 | 210,429 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,242 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,182 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,492 |
| Countries by Founding Story | 0 | - | 4.95 | 76,823 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,391 |
| Cities by Former Name | 0 | - | 4.84 | 91,217 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,514 |
| NATO Countries | 0 | - | 4.98 | 277,784 |
| EU Countries Quiz | 0 | - | 4.99 | 271,367 |
| Recently Independent Countries | 0 | - | 4.98 | 158,318 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,869 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,328 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,060 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,999 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,441 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,696 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,128 |
| Countries by Former Name | 0 | - | 4.99 | 124,625 |
| Historical City to Country | 0 | - | 4.84 | 78,295 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 57,735 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 40,824 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,353 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,797 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,638 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,472 |
| The American Civil War | 0 | - | 4.62 | 52,260 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,038 |
| Former Capitals | 0 | - | 4.88 | 71,261 |
| Coldest World Capitals | 0 | - | 4.95 | 133,192 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,828 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,058 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,174 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,033 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,392 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,353 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,402 |
| Buddhist Countries | 0 | - | 4.96 | 143,327 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,138 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,843 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,096 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,719 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,652 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,840 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,200 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,585 |
| Countries that Start with D | 0 | - | 4.96 | 704,495 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,014 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,549 |
| Countries that Start with H | 0 | - | 4.96 | 600,397 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,141 |
| Countries that Start with J | 0 | - | 4.98 | 598,422 |
| Countries that Start with K | 0 | - | 4.97 | 811,632 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,649 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,611 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,417 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,242 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,257 |
| Countries that Start with U | 0 | - | 4.97 | 901,603 |
| Countries that Start with V | 0 | - | 4.98 | 606,571 |
| Countries that Start with F | 0 | - | 4.83 | 614,202 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,383 |
| Former Flags | 0 | - | 4.97 | 107,110 |
| World Currency Quiz | 0 | - | 4.92 | 300,191 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,648 |
| 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 | 48,297 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,639 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 86,922 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,259 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,804 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,879 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,728 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,572 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,083 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,558 |
| Orthodox Countries | 0 | - | 4.92 | 130,830 |
| Richest Island Countries | 0 | - | 4.84 | 99,910 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,381 |
| Monarchies of Europe | 0 | - | 4.90 | 97,654 |
| Monarchies of Asia | 0 | - | 4.97 | 70,799 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,518 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,661 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,063 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,981 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,066 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,426 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,409 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,598 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,724 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,649 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,945 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,782 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,930 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,916 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,619 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 84,027 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,022 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,408 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,835 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,162 |
| 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 | 149,471 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,799 |
| 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 | 70,444 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,319 |
| Military History Vocabulary | 0 | - | 4.91 | 66,830 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,605 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,968 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,226 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,523 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,980 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,907 |
| Ancient City to Country | 0 | - | 4.70 | 107,770 |
| City-States | 0 | - | 4.53 | 37,165 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,572 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,023 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,311 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,011 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,391 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,883 |
| Countries by Independence Day | 0 | - | 4.61 | 52,665 |
| Former Countries by Capital | 0 | - | 4.45 | 127,223 |
| Former Countries | 0 | - | 4.75 | 132,932 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,406 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,318 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,524 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,192 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,528 |
| Name a Country A-Z | 0 | - | 5.00 | 241,554 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,562 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,437 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,662 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,498 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,600 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,695 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,215 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,734 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,259 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,762 |
| 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 | 85,796 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,498 |
| World's Biggest Financial Centers | 0 | - | 4.52 | 53,927 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,380 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,068 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,099 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,126,911 |
| OPEC Countries | 0 | - | 4.74 | 84,919 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,793 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,896 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 46,267 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,725 |
| The Trojan War | 0 | - | 4.83 | 39,543 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,091 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,249 |
| Roman Emperors | 0 | - | 4.95 | 119,136 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,676 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,448 |
| Boundary Waters | 0 | - | 4.92 | 88,195 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,937 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,602 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,742 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,076 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,991 |
| 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 | 5,047,500 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,118 |
| Landlocked Countries | 0 | - | 4.99 | 416,190 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,716 |
| Guerrillas by Country | 0 | - | 4.40 | 41,023 |
