| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,859 |
| WWII Geography | 0 | - | 4.81 | 120,241 |
| Countries in World War I | 0 | - | 4.88 | 227,984 |
| Countries in World War II | 0 | - | 4.54 | 911,788 |
| Important Cities in WWII | 0 | - | 4.42 | 93,419 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,338 |
| Battle to Country | 0 | - | 4.91 | 53,239 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,846 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,442 |
| Countries with NO Military | 0 | - | 4.97 | 62,087 |
| WWII Decoder | 0 | - | 4.41 | 53,517 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,369 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,130 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,995 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,852 |
| WWII for Dummies | 0 | - | 4.78 | 104,825 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,265 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,834 |
| Communist Countries in History | 0 | - | 4.63 | 495,288 |
| WWII Movies by Plot | 0 | - | 4.21 | 27,068 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,665 |
| Name the English Monarchs | 0 | - | 4.91 | 502,097 |
| Independence from Whom | 0 | - | 4.99 | 211,506 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,843 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,426 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,073 |
| Countries by Founding Story | 0 | - | 4.95 | 77,131 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 46,985 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,655 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,718 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,543 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,323 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,006 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,928 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,633 |
| Cities by Former Name | 0 | - | 4.83 | 91,503 |
| NATO Countries | 0 | - | 4.98 | 279,734 |
| EU Countries Quiz | 0 | - | 4.99 | 273,416 |
| Recently Independent Countries | 0 | - | 4.98 | 159,118 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,033 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,166 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,742 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,981 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,610 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,256 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,468 |
| Countries by Former Name | 0 | - | 4.99 | 125,009 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,170 |
| Historical City to Country | 0 | - | 4.84 | 78,477 |
| The American Civil War | 0 | - | 4.62 | 52,400 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,793 |
| Former Capitals | 0 | - | 4.88 | 71,416 |
| Coldest World Capitals | 0 | - | 4.95 | 133,518 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,055 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,342 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,993 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,461 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,714 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,479 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,031 |
| Buddhist Countries | 0 | - | 4.96 | 144,207 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,608 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,180 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,373 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,245 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,368 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,668 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,453 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,519 |
| Countries that Start with D | 0 | - | 4.96 | 708,541 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,925 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,820 |
| Countries that Start with H | 0 | - | 4.96 | 603,857 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,062 |
| Countries that Start with J | 0 | - | 4.98 | 601,633 |
| Countries that Start with K | 0 | - | 4.97 | 814,965 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,749 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,720 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,158 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,435 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,055 |
| Countries that Start with U | 0 | - | 4.97 | 903,878 |
| Countries that Start with V | 0 | - | 4.98 | 608,870 |
| Countries that Start with F | 0 | - | 4.83 | 616,900 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,549 |
| Former Flags | 0 | - | 4.97 | 107,608 |
| World Currency Quiz | 0 | - | 4.91 | 302,456 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,875 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,429 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,958 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,914 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,882 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,237 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,698 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,031 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,137 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,700 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,955 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,314 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,492 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,289 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,119 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,887 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,018 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,408 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,992 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,165 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,255 |
| Orthodox Countries | 0 | - | 4.92 | 131,450 |
| Richest Island Countries | 0 | - | 4.84 | 100,404 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,076 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,905 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,838 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,760 |
| Monarchies of Europe | 0 | - | 4.90 | 98,046 |
| Monarchies of Asia | 0 | - | 4.97 | 71,038 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,824 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,802 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,010 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,689 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,293 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,703 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,599 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,825 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,310,563 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,259 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,264 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,551 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,348 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,365 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,952 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,174 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,455 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,606 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,058 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,030 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,899 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,922 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,078 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,007 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,373 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,261 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,438 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,111 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,744 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,431 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,899 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,068 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,343 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,499 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,858 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,754 |
| Military History Vocabulary | 0 | - | 4.91 | 67,104 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,257 |
| Ancient City to Country | 0 | - | 4.70 | 107,982 |
| City-States | 0 | - | 4.53 | 37,244 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,649 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,101 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,403 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,003 |
| Countries by Independence Day | 0 | - | 4.61 | 52,724 |
| Former Countries by Capital | 0 | - | 4.45 | 127,414 |
| Former Countries | 0 | - | 4.75 | 133,725 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,969 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,547,332 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,637 |
| Name a Country A-Z | 0 | - | 5.00 | 242,991 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,759 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,527 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,736 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,031 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,199 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,745 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,780 |
| Name that Greek Letter | 0 | - | 4.93 | 323,282 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,774 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,622 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,607 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,817 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,997 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,518 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,512 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,047 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,817 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,883 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,135 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,708 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,953 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,588 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,256 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,389,350 |
| All OPEC Countries Ever | 0 | - | 4.77 | 91,101 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,287 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,467 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 86,387 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,165 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,598 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,802 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 64,373 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 183,904 |
