| Countries of Europe by Population | 0 | - | 4.98 | 178,103 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,986 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,011 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,870 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,078 |
| Random European Capital to Country | 0 | - | 4.98 | 189,228 |
| Random European Country to Capital | 0 | - | 4.92 | 147,469 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,409 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,427 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,577 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,962 |
| North American Sports Cities | 0 | - | 4.83 | 170,915 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,920 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,364 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,977 |
| Olympic Host Countries | 0 | - | 4.98 | 198,905 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,611 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,370 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,154 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,831 |
| Europe Capital to Country | 0 | - | 4.99 | 247,934 |
| Asia Capital to Country | 0 | - | 4.96 | 125,770 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,471 |
| European Capitals by Map | 0 | - | 4.99 | 136,302 |
| African Capitals by Map | 0 | - | 4.99 | 132,190 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,321 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,150 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,203 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,626 |
| European Coastal Capitals | 0 | - | 4.95 | 89,770 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,838 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,840 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,427 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,025 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,807 |
| Official Cities in the UK | 0 | - | 4.89 | 280,570 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,908 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,675 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,417 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,139 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,189 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,713 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,462 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,775 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,831 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,554 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,213 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,964 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,396 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,768 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,408 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,464 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,864 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,671 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,803 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,667 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,955 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,484 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,863 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,471 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,243 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,752 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,972 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,095 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,804 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,275 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,637 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,824 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,547 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,892 |
| Which City in Europe? | 0 | - | 4.83 | 106,644 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,923,415 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,570 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,288 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,654 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,816 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,048 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,977 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,431 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,428 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,587 |
| Boundary Waters | 0 | - | 4.92 | 88,045 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,292 |
| Cities in European History #1 | 0 | - | 4.63 | 133,141 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,197 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,567 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,807 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,017 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,907 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,189 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,858 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,371 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,198 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,362 |
| Which City in Canada? | 0 | - | 4.82 | 56,664 |
| Landlocked Countries | 0 | - | 4.99 | 413,658 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,800 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,411 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,754 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,187 |
| Australia by Picture | 0 | - | 4.41 | 28,438 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,424 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,321 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,449 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 249,955 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,841 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,605 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,634 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,004 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,007 |
| American Cities by Stadium | 0 | - | 4.02 | 36,488 |
| City by Football Clubs | 0 | - | 4.37 | 137,028 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| North America Cities by Map | 0 | - | 4.41 | 47,616 |
| Random European City to Country | 0 | - | 4.69 | 116,377 |
| Random Asian City to Country | 0 | - | 4.56 | 44,392 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,213 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,214 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,134 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,869 |
| Island Countries | 0 | - | 4.99 | 707,640 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,606 |
| Himalayan Countries | 0 | - | 4.95 | 135,375 |
| Andean Countries | 0 | - | 4.94 | 82,830 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,222 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,221 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,908 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,614 |
| Danube Countries | 0 | - | 4.97 | 71,083 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,539 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,493 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,408 |
| European Landlocked Countries | 0 | - | 4.99 | 145,758 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,218 |
| Countries with the Most Species | 0 | - | 4.99 | 95,242 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,352 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,370 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,958 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,826 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,570 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,260 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,426 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,168 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,006 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,559 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,582 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,304 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,063 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,196 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,045 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,752 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,755 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,071 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,649 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,923 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,254 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,320 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,682 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,605 |
| Largest Countries By Category | 0 | - | 4.97 | 156,763 |
| Countries by Countries | 0 | - | 4.96 | 62,257 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,435 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,772 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,497 |
| Northernmost Countries | 0 | - | 4.99 | 357,741 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,747 |
| Countries of South America | 0 | - | 5.00 | 914,846 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,552 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,506 |
| "Land" Countries | 0 | - | 4.98 | 333,665 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,692 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,714 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,487 |
| All Country Flags of the World | 0 | - | 5.00 | 3,602,662 |
| Top World Languages | 0 | - | 4.92 | 813,208 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,560 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,238 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,425 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,621 |
| Longest International Borders | 0 | - | 4.99 | 263,547 |
| Countries with Three Borders | 0 | - | 4.96 | 36,180 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,601 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,674 |
