| One Country By Letter By Continent | 0 | - | 5.00 | 122,066 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,005,314 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,725 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,151 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,070 |
| Landlocked Countries | 0 | - | 4.99 | 414,680 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,379 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,387 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,098 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,145 |
| Countries that Start with D | 0 | - | 4.96 | 702,787 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,014 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,402 |
| Countries that Start with H | 0 | - | 4.96 | 598,947 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,486 |
| Countries that Start with J | 0 | - | 4.98 | 597,008 |
| Countries that Start with K | 0 | - | 4.97 | 810,325 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,057 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,950 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,667 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,160 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,064 |
| Countries that Start with U | 0 | - | 4.97 | 900,624 |
| Countries that Start with V | 0 | - | 4.98 | 605,725 |
| Countries that Start with F | 0 | - | 4.83 | 613,030 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,637 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,234 |
| Orthodox Countries | 0 | - | 4.91 | 130,559 |
| Battle to Country | 0 | - | 4.91 | 52,628 |
| Monarchies of Europe | 0 | - | 4.90 | 97,470 |
| Monarchies of Asia | 0 | - | 4.97 | 70,678 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,496 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,763 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,541 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,771 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,082 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,260 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,507 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,382 |
| Island Countries | 0 | - | 4.99 | 708,037 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,028 |
| Himalayan Countries | 0 | - | 4.95 | 135,728 |
| Andean Countries | 0 | - | 4.94 | 83,039 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,388 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,460 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,085 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,748 |
| Danube Countries | 0 | - | 4.97 | 71,188 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,914 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,646 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,722 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,623 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,379 |
| Countries with the Most Species | 0 | - | 4.99 | 95,305 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,547 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,240 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,409 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,021 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,662 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,029 |
| Countries in the Alps | 0 | - | 4.86 | 116,997 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,688 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,467 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,113 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,516 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,304 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,708 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,846 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,610 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,158 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,236 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,106 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,550 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,831 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,312 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,742 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,957 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,889 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,025 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Largest Countries By Category | 0 | - | 4.97 | 156,920 |
| Countries by Countries | 0 | - | 4.96 | 62,376 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,504 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,465 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,361 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,179 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,234 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,869 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,898 |
| Northernmost Countries | 0 | - | 4.99 | 358,314 |
| Countries of South America | 0 | - | 5.00 | 916,687 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,731 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,027 |
| "Land" Countries | 0 | - | 4.98 | 333,927 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,365 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,243 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,557 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,179 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,236 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,279 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,997 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,204 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,890 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,088 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,721 |
| Countries with Megacities | 0 | - | 4.99 | 247,795 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,582 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,245 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,968 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,193 |
| Countries by Official Language | 0 | - | 4.95 | 192,992 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,444 |
| Countries in their Native Language | 0 | - | 4.99 | 196,852 |
| Independence from Whom | 0 | - | 4.99 | 209,965 |
| Subdivisions by Country | 0 | - | 4.86 | 50,116 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,940 |
| Countries in World War I | 0 | - | 4.88 | 226,785 |
| Megadiverse Countries | 0 | - | 4.97 | 133,985 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,617 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,017 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,971 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,484 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,889 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,793 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,076 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,225 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,258 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,268 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,768 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,771 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,469 |
| Hindu Countries | 0 | - | 4.86 | 49,656 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,569 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,559 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,751 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,083 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,913 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,456 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,621 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,399 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,135 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,113 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,037 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,224 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,422 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,026 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,466 |
| Widest Countries East to West | 0 | - | 4.92 | 128,961 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,261 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,370 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,617 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,792 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,731 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,163 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,611 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,627 |
| Countries with Double Letters | 0 | - | 4.97 | 93,588 |
| Countries that End in N | 0 | - | 4.94 | 157,070 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,908 |
| Countries with Six Letters | 0 | - | 4.93 | 210,577 |
| Countries with W | 0 | - | 4.97 | 158,361 |
| Countries with Z | 0 | - | 4.98 | 288,107 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,687 |
| Countries That End in U | 0 | - | 4.95 | 119,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,786 |
| Countries that End in O | 0 | - | 4.92 | 158,617 |
| Countries that End in R | 0 | - | 4.87 | 118,340 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,908 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,309 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,474 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,595 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,139 |
| Countries That End in Y | 0 | - | 4.90 | 185,261 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,535 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,829 |
| Countries that End in I | 0 | - | 4.94 | 134,506 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,367 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,262 |
| Countries That End in NIA | 0 | - | 4.92 | 109,080 |
| Countries That End in BIA | 0 | - | 4.92 | 147,806 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,189 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,590 |
| Countries That End in RIA | 0 | - | 4.93 | 126,159 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,124 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,563 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,621 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,982 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,481 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,986 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,221 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,743 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,861 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,929 |
| Countries that End in L | 0 | - | 4.94 | 156,117 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,801 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,012 |
