| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,322 |
| Countries in World War I | 0 | - | 4.88 | 228,426 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,077 |
| Countries in World War II | 0 | - | 4.54 | 914,509 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,731 |
| Important Cities in WWII | 0 | - | 4.42 | 93,588 |
| Battle to Country | 0 | - | 4.91 | 53,499 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,241 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,356 |
| Countries with NO Military | 0 | - | 4.97 | 62,606 |
| WWII Decoder | 0 | - | 4.41 | 53,636 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,527 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,199 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,070 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,658 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,112 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,894 |
| Communist Countries in History | 0 | - | 4.63 | 496,423 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,044 |
| WWII for Dummies | 0 | - | 4.78 | 105,157 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,039 |
| Name the English Monarchs | 0 | - | 4.91 | 503,780 |
| Independence from Whom | 0 | - | 4.99 | 212,069 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,713 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,592 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,456 |
| Countries by Founding Story | 0 | - | 4.95 | 77,359 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,846 |
| Cities by Former Name | 0 | - | 4.83 | 91,700 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,442 |
| NATO Countries | 0 | - | 4.98 | 281,466 |
| EU Countries Quiz | 0 | - | 4.99 | 275,412 |
| Recently Independent Countries | 0 | - | 4.98 | 159,460 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,176 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,905 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,215 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,702 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,644 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,271 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,786 |
| Countries by Former Name | 0 | - | 4.99 | 125,323 |
| Historical City to Country | 0 | - | 4.84 | 78,627 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,215 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,107 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,671 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,891 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,114 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,741 |
| The American Civil War | 0 | - | 4.62 | 52,487 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,068 |
| Former Capitals | 0 | - | 4.88 | 71,514 |
| Coldest World Capitals | 0 | - | 4.95 | 133,649 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,207 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,746 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,568 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,705 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,901 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,563 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,484 |
| Buddhist Countries | 0 | - | 4.96 | 144,580 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,002 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,401 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,565 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,594 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,920 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,163 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,613 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,671 |
| Countries that Start with D | 0 | - | 4.96 | 711,508 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,381 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,629 |
| Countries that Start with H | 0 | - | 4.96 | 606,067 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,012 |
| Countries that Start with J | 0 | - | 4.98 | 603,682 |
| Countries that Start with K | 0 | - | 4.97 | 817,203 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,392 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,427 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,824 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,214 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,128 |
| Countries that Start with U | 0 | - | 4.97 | 905,547 |
| Countries that Start with V | 0 | - | 4.98 | 610,069 |
| Countries that Start with F | 0 | - | 4.83 | 618,616 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,557 |
| Former Flags | 0 | - | 4.97 | 107,952 |
| World Currency Quiz | 0 | - | 4.92 | 304,077 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,020 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,490 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,513 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,945 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,161 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,567 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,600 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,645 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,240 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,221 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,265 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,223 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,745 |
| Orthodox Countries | 0 | - | 4.92 | 132,220 |
| Richest Island Countries | 0 | - | 4.85 | 100,762 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,032 |
| Monarchies of Europe | 0 | - | 4.90 | 98,325 |
| Monarchies of Asia | 0 | - | 4.97 | 71,202 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,631 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,550 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,591 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,101 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,089 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,909 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,736 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,999 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,629 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,620 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,954 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,520 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,588 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,456 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,500 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,697 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,985 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,462 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,570 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,668 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 85,056 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,012 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,697 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,205 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,045 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,285 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,108 |
| Military History Vocabulary | 0 | - | 4.91 | 67,267 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,830 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,563 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,307 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,565 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,051 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,301 |
| Ancient City to Country | 0 | - | 4.70 | 108,127 |
| City-States | 0 | - | 4.53 | 37,303 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,714 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,146 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,470 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,359 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,436 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,728 |
| Countries by Independence Day | 0 | - | 4.61 | 52,774 |
| Former Countries by Capital | 0 | - | 4.45 | 127,583 |
| Former Countries | 0 | - | 4.75 | 133,905 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,355 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,427 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,041 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,525 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,427 |
| Name a Country A-Z | 0 | - | 5.00 | 244,136 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,281 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,217 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,081 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,370 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,406 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,248 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,507 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,082 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,063 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,942 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 42,040 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,275 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,477 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,932 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,715 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,263 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,182 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,361 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,576,034 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,168 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,652 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,358 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 47,488 |
| Roman Provinces on a Map | 0 | - | 4.54 | 37,038 |
| The Trojan War | 0 | - | 4.83 | 39,790 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,191 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,640 |
| Roman Emperors | 0 | - | 4.95 | 120,344 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,838 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,753 |
| Boundary Waters | 0 | - | 4.92 | 88,564 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,243 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,258 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,695 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,592 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,561 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,424 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,128 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,384 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,738 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,200 |
| Landlocked Countries | 0 | - | 4.99 | 421,880 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,864 |
| Guerrillas by Country | 0 | - | 4.40 | 41,148 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,222 |
