| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Random European Capital to Country | 0 | - | 4.98 | 189,041 |
| Random European Country to Capital | 0 | - | 4.92 | 147,321 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,653 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,686 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,789 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,665 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,885 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,753 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,998 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,362 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,259 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,320 |
| Random African Capital to Country | 0 | - | 4.97 | 99,666 |
| Random African Country to Capital | 0 | - | 4.94 | 70,146 |
| North American Sports Cities | 0 | - | 4.83 | 170,738 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| Name a City - European Countries | 0 | - | 4.92 | 64,254 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,281 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,718 |
| Olympic Host Countries | 0 | - | 4.98 | 198,733 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,652 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,232 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,839 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,631 |
| Europe Capital to Country | 0 | - | 4.99 | 247,254 |
| Asia Capital to Country | 0 | - | 4.96 | 125,601 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,261 |
| European Capitals by Map | 0 | - | 4.99 | 135,889 |
| African Capitals by Map | 0 | - | 4.99 | 132,031 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,947 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,059 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,517 |
| European Coastal Capitals | 0 | - | 4.95 | 89,627 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,138 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,319 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,504 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,784 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,633 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,549 |
| Official Cities in the UK | 0 | - | 4.89 | 280,097 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,725 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,454 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,523 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,323 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,691 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,764 |
| Capitals of the Stans | 0 | - | 4.95 | 26,361 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,242 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,635 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,073 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,623 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,557 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,285 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,662 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,602 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,497 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,904 |
| Boundary Waters | 0 | - | 4.92 | 87,988 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,782 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,164 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,116 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,753 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,050 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,936 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,145 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,594 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,845,803 |
| Landlocked Countries | 0 | - | 4.99 | 412,826 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,526 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,206 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,570 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,710 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,001 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,848 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,345 |
| Every European Country Shape | 0 | - | 4.95 | 199,818 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,260 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,699 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,101 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,892 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,453 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,830 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,210 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,961 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,488 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,600 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,729 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,925 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,128 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,913 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,849 |
| Cities in European History #1 | 0 | - | 4.63 | 132,943 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,174 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,542 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,790 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,673 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 50,999 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,852 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,927 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,111 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,004 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,768 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,572 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,817 |
| Which City in Europe? | 0 | - | 4.83 | 106,537 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,052 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,207 |
| Himalayan Countries | 0 | - | 4.95 | 135,032 |
| Andean Countries | 0 | - | 4.94 | 82,648 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,074 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,969 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,746 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,453 |
| Danube Countries | 0 | - | 4.97 | 70,986 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,630 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,271 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,183 |
| European Landlocked Countries | 0 | - | 4.99 | 145,658 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,034 |
| Countries with the Most Species | 0 | - | 4.99 | 95,180 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,179 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,172 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,905 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,500 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,861 |
| Countries in the Alps | 0 | - | 4.87 | 116,674 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,459 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,051 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,316 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,058 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,932 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,456 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,675 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,099 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,524 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,963 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,179 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,163 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,992 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,356 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,667 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,846 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,554 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,196 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,656 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,793 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,338 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,527 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,701 |
| Largest Countries By Category | 0 | - | 4.97 | 156,595 |
| Countries by Countries | 0 | - | 4.96 | 62,155 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,199 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,929 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,310 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,304 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,648 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,197 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,254 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,176 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,357 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,403 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,364 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 249,546 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,621 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,454 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,726 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,475 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,211 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,118 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,538 |
| Longest International Borders | 0 | - | 4.99 | 263,354 |
| Countries with Three Borders | 0 | - | 4.96 | 36,127 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,550 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,596 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,520 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,767 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Demonym of Every Country | 0 | - | 4.91 | 58,559 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,960 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,063 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,778 |
| American Cities by Stadium | 0 | - | 4.02 | 36,474 |
| City by Football Clubs | 0 | - | 4.37 | 136,958 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,441 |
| North America Cities by Map | 0 | - | 4.41 | 47,591 |
