| Countries of Europe by Population | 0 | - | 4.98 | 180,440 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,657 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,674 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,163 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,727 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,381 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,609 |
| Random European Capital to Country | 0 | - | 4.98 | 190,755 |
| Random European Country to Capital | 0 | - | 4.93 | 164,928 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,343 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,675 |
| Random African Country to Capital | 0 | - | 4.94 | 71,136 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,139 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,507 |
| North American Sports Cities | 0 | - | 4.83 | 172,238 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,286 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,689 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,846 |
| Olympic Host Countries | 0 | - | 4.98 | 200,556 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,648 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,525 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,811 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,956 |
| Europe Capital to Country | 0 | - | 4.99 | 249,795 |
| Asia Capital to Country | 0 | - | 4.96 | 126,554 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,727 |
| European Capitals by Map | 0 | - | 4.99 | 138,848 |
| African Capitals by Map | 0 | - | 4.99 | 133,558 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,841 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,189 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,976 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,317 |
| European Coastal Capitals | 0 | - | 4.95 | 90,476 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,536 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,541 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,745 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,784 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,800 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,007 |
| Official Cities in the UK | 0 | - | 4.89 | 283,341 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,391 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,365 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,954 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,117 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,772 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,129 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,214 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,229 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,326 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,859 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,049 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,309 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,639 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,665 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,994 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,334 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,479 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,224 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,109 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,980 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,442 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,572 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,493 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,628 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,447 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,148 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,049 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,874 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,875 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,734 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,975 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,703 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,946 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,584 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,083 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,099 |
| Which City in Europe? | 0 | - | 4.83 | 107,295 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,383,611 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,786 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,844 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,451 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,337 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,312 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,194 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,089 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,265 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,768 |
| Boundary Waters | 0 | - | 4.92 | 88,414 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,118 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,987 |
| Cities in European History #1 | 0 | - | 4.62 | 133,891 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,329 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,729 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,874 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,112 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,402 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,743 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,731 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,945 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,927 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,170 |
| Which City in Canada? | 0 | - | 4.82 | 57,014 |
| Landlocked Countries | 0 | - | 4.99 | 419,589 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,906 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,619 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,139 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,107 |
| Australia by Picture | 0 | - | 4.41 | 28,581 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,068 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,208 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,035 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 251,924 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,436 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,851 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,531 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,795 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,019 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,557 |
| American Cities by Stadium | 0 | - | 4.02 | 36,534 |
| City by Football Clubs | 0 | - | 4.38 | 137,885 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,570 |
| North America Cities by Map | 0 | - | 4.41 | 47,781 |
| Random European City to Country | 0 | - | 4.69 | 117,544 |
| Random Asian City to Country | 0 | - | 4.56 | 44,477 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,328 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,956 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,772 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,550 |
| Island Countries | 0 | - | 4.99 | 710,042 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,267 |
| Himalayan Countries | 0 | - | 4.95 | 137,710 |
| Andean Countries | 0 | - | 4.95 | 84,074 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,315 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,832 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,941 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,431 |
| Danube Countries | 0 | - | 4.97 | 71,728 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,651 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,124 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,768 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,844 |
| European Landlocked Countries | 0 | - | 4.99 | 146,848 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,219 |
| Countries with the Most Species | 0 | - | 4.99 | 102,990 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,380 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,452 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,613 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,358 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,032 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,427 |
| Countries in the Alps | 0 | - | 4.87 | 117,797 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,206 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,509 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,459 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,171 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,177 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,764 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,356 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,361 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,252 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,012 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,613 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,519 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,367 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,980 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,246 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,267 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,319 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,102 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,663 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,614 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,638 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,670 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,400 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,034 |
| Largest Countries By Category | 0 | - | 4.97 | 157,768 |
| Countries by Countries | 0 | - | 4.96 | 62,914 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,222 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,176 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,394 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,785 |
| Northernmost Countries | 0 | - | 4.99 | 360,793 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,125 |
| Countries of South America | 0 | - | 5.00 | 923,865 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,407 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,690 |
| "Land" Countries | 0 | - | 4.98 | 335,952 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,840 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,455 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,768 |
| All Country Flags of the World | 0 | - | 5.00 | 3,655,754 |
| Top World Languages | 0 | - | 4.92 | 821,016 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,289 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,410 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,272 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,118 |
| Longest International Borders | 0 | - | 4.99 | 264,769 |
| Countries with Three Borders | 0 | - | 4.96 | 36,485 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,951 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,067 |
