| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,258 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,363 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,247 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,087 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,703 |
| Richest Island Countries | 0 | - | 4.84 | 99,512 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,641 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,098 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,936 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,713 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,903 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,844 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,323 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,254 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,088 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,916,341 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,176 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,149 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,110 |
| Landlocked Countries | 0 | - | 4.99 | 413,564 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,859 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,450 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,740 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,133 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,919 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,086 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,259 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,569 |
| Himalayan Countries | 0 | - | 4.95 | 135,338 |
| Andean Countries | 0 | - | 4.94 | 82,816 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,207 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,196 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,889 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,597 |
| Danube Countries | 0 | - | 4.97 | 71,073 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,755 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,532 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,462 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,382 |
| European Landlocked Countries | 0 | - | 4.99 | 145,745 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,198 |
| Countries with the Most Species | 0 | - | 4.99 | 95,238 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,334 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,367 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,955 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,572 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,949 |
| Countries in the Alps | 0 | - | 4.86 | 116,817 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,557 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,248 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,000 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,155 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,997 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,571 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,744 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,274 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,045 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,194 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,449 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,737 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,749 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,053 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,635 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,036 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,765 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,263 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,664 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,599 |
| Largest Countries By Category | 0 | - | 4.97 | 156,751 |
| Orthodox Countries | 0 | - | 4.91 | 130,379 |
| Monarchies of Europe | 0 | - | 4.90 | 97,309 |
| Monarchies of Asia | 0 | - | 4.97 | 70,600 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,760 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,166 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,487 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,550 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,770 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,593 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,881 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,100 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,826 |
| Island Countries | 0 | - | 4.99 | 707,601 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,213 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,395 |
| Northernmost Countries | 0 | - | 4.99 | 357,700 |
| Countries of South America | 0 | - | 5.00 | 914,626 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,350 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,160 |
| "Land" Countries | 0 | - | 4.98 | 333,638 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,976 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.52 | 282,687 |
| Companies by Country | 0 | - | 4.56 | 118,710 |
| Five Richest Countries by Continent | 0 | - | 4.68 | 205,774 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,242 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,119 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,489 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,488 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,990 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,616 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,179 |
| Countries with Megacities | 0 | - | 4.99 | 246,853 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,091 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,952 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,509 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,840 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,184 |
| Countries by Official Language | 0 | - | 4.95 | 192,763 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,118 |
| Countries in their Native Language | 0 | - | 4.99 | 196,627 |
| Independence from Whom | 0 | - | 4.99 | 209,682 |
| Subdivisions by Country | 0 | - | 4.86 | 50,064 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,741 |
| Megadiverse Countries | 0 | - | 4.97 | 133,897 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,792 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,918 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,427 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,858 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,654 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,996 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,983 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,141 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,210 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,743 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,561 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,413 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,491 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,501 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,324 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,343 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,981 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,945 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,738 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,849 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,057 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,271 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,941 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,333 |
| Widest Countries East to West | 0 | - | 4.92 | 128,600 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,217 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,204 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,562 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,683 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,626 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,036 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,050 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,581 |
| Countries with Double Letters | 0 | - | 4.97 | 93,384 |
| Countries that End in N | 0 | - | 4.94 | 156,807 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,677 |
| Countries with Six Letters | 0 | - | 4.93 | 210,356 |
| Countries with W | 0 | - | 4.97 | 158,222 |
| Countries with Z | 0 | - | 4.98 | 287,870 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,546 |
| Countries That End in U | 0 | - | 4.95 | 119,515 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,538 |
| Countries that End in O | 0 | - | 4.92 | 158,551 |
| Countries that End in R | 0 | - | 4.87 | 118,272 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,857 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,012 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,316 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,486 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,006 |
| Countries That End in Y | 0 | - | 4.90 | 185,199 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,366 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,682 |
| Countries that End in I | 0 | - | 4.94 | 134,410 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,189 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,192 |
| Countries That End in NIA | 0 | - | 4.92 | 109,008 |
| Countries That End in BIA | 0 | - | 4.92 | 147,712 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,053 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,480 |
| Countries That End in RIA | 0 | - | 4.93 | 126,078 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,005 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,174 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,516 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,884 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,353 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,927 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,116 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,811 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,805 |
| Countries that End in L | 0 | - | 4.94 | 155,723 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,164 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,987 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,508 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,290 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,424 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,951 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,079 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,914 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,178 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,375 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,523 |
