| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,216 |
| Countries in World War I | 0 | - | 4.88 | 227,379 |
| Countries in World War II | 0 | - | 4.54 | 908,196 |
| Battle to Country | 0 | - | 4.91 | 52,886 |
| Cities by Former Name | 0 | - | 4.84 | 91,238 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 29,889 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,584 |
| WWII First Names | 0 | - | 4.44 | 41,674 |
| Former Capitals | 0 | - | 4.88 | 71,270 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,318 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,653 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,229 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,889 |
| World Leaders of the World Wars | 0 | - | 4.35 | 37,744 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,069 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,917 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,896 |
| Communist Countries in History | 0 | - | 4.63 | 493,828 |
| Ancient City to Country | 0 | - | 4.70 | 107,782 |
| City-States | 0 | - | 4.53 | 37,175 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,576 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,032 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,317 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,394 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,342 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,429 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,743 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,428 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,415 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,385 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,546 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,032 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,027 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,271 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,131 |
| Countries by Capital City | 0 | - | 5.00 | 67,427 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,717 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,228 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,655 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,676 |
| Moved Capital Cities | 0 | - | 4.96 | 73,864 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,073 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,827 |
| Independence from Whom | 0 | - | 4.99 | 210,752 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,289 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,204 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,544 |
| Countries by Founding Story | 0 | - | 4.95 | 76,851 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,073 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,437 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,838 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,879 |
| Random Country to Capital | 0 | - | 4.98 | 914,783 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,445 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,408 |
| North American Sports Cities | 0 | - | 4.83 | 171,356 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,029 |
| Cities in European History #1 | 0 | - | 4.63 | 133,523 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,061 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,019 |
| Name a City - European Countries | 0 | - | 4.91 | 64,803 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,217 |
| Name a Valid World City | 0 | - | 4.83 | 70,572 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,203 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,435 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,464 |
| World Capitals by Map | 0 | - | 5.00 | 284,707 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,954 |
| Capitals Starting With H | 0 | - | 4.90 | 91,698 |
| Capitals Starting With K | 0 | - | 4.85 | 75,923 |
| Capitals Starting With L | 0 | - | 4.81 | 87,125 |
| Capitals Starting With M | 0 | - | 4.93 | 106,559 |
| Capitals Starting With P | 0 | - | 4.88 | 77,428 |
| Capitals Starting With R | 0 | - | 4.87 | 81,214 |
| Capitals Starting With S | 0 | - | 4.89 | 85,055 |
| Capitals Starting With T | 0 | - | 4.84 | 75,537 |
| Capitals Starting With W | 0 | - | 4.87 | 90,838 |
| Capitals Starting With A | 0 | - | 4.97 | 126,899 |
| Capitals Starting With B | 0 | - | 4.89 | 117,596 |
| Capitals Starting With D | 0 | - | 4.93 | 95,675 |
| Recently Independent Countries | 0 | - | 4.98 | 158,354 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,106 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,067 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,773 |
| Countries by Former Name | 0 | - | 4.99 | 124,647 |
| Historical City to Country | 0 | - | 4.84 | 78,310 |
| WWII for Dummies | 0 | - | 4.80 | 104,342 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,761 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,647 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,518 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,874 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,752 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,007 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,519 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,422 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,057 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,524 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,855 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,412 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,077 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,533 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,664 |
| Europe Capital to Country | 0 | - | 4.99 | 248,826 |
| Asia Capital to Country | 0 | - | 4.96 | 126,143 |
| Capital Cities Chain | 0 | - | 4.84 | 82,235 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,083 |
| European Capitals by Map | 0 | - | 4.99 | 137,653 |
| African Capitals by Map | 0 | - | 4.99 | 132,789 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,063 |
| Coldest World Capitals | 0 | - | 4.95 | 133,207 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,697 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,567 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,942 |
| European Coastal Capitals | 0 | - | 4.95 | 90,085 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,345 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,157 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,708 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,576 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,115 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,355 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,802 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,082 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,239 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,361 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,465 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,261 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,157 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,869 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,111 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 52,748 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,699 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,033 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,265 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,578 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,011 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,396 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,889 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,192 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,095 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,717 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,543 |
| Official Cities in the UK | 0 | - | 4.89 | 282,018 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,078 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,607 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,285 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,051 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,988 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,222 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,076 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,716 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,268 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,130 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,952 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,683 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,556 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,482 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,413 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,842 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,231 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,910 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,803 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,135 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,126 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,748 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,762 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,757 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,605 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,920 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,086 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,974 |
| The Only Country ... | 0 | - | 4.91 | 80,409 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,399 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,608 |
| Orthodox Countries | 0 | - | 4.92 | 130,890 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,033 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,748 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,232 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,438 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,400 |
| Monarchies of Europe | 0 | - | 4.90 | 97,677 |
| Monarchies of Asia | 0 | - | 4.97 | 70,817 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,445 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,612 |
| Political Movements by Country | 0 | - | 4.46 | 72,382 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,064 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,609 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,459 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,676 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,290 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,811 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,501 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,833 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,930 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,472 |
| Capitals of the Stans | 0 | - | 4.95 | 26,593 |
| The Vietnam War | 0 | - | 4.43 | 35,399 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,587 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,948 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,696 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,329 |
