| One Country By Letter By Continent | 0 | - | 5.00 | 124,197 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,518,650 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,412 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,569 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,362 |
| Landlocked Countries | 0 | - | 4.99 | 421,199 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,807 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,464 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,122 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,438 |
| Countries that Start with D | 0 | - | 4.96 | 710,626 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,278 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,524 |
| Countries that Start with H | 0 | - | 4.96 | 605,457 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,170 |
| Countries that Start with J | 0 | - | 4.98 | 603,117 |
| Countries that Start with K | 0 | - | 4.97 | 816,566 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,602 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,609 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,028 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,087 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,550 |
| Countries that Start with U | 0 | - | 4.97 | 905,078 |
| Countries that Start with V | 0 | - | 4.98 | 609,729 |
| Countries that Start with F | 0 | - | 4.83 | 618,156 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,676 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,608 |
| Orthodox Countries | 0 | - | 4.92 | 132,095 |
| Battle to Country | 0 | - | 4.91 | 53,422 |
| Monarchies of Europe | 0 | - | 4.90 | 98,225 |
| Monarchies of Asia | 0 | - | 4.97 | 71,137 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,947 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,059 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,869 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,242 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,336 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,972 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,894 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,292 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,720 |
| Island Countries | 0 | - | 4.99 | 710,741 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,056 |
| Himalayan Countries | 0 | - | 4.95 | 138,369 |
| Andean Countries | 0 | - | 4.93 | 84,404 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,624 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,547 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,250 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,654 |
| Danube Countries | 0 | - | 4.97 | 71,917 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,896 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,321 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,133 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,594 |
| European Landlocked Countries | 0 | - | 4.99 | 147,045 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,482 |
| Countries with the Most Species | 0 | - | 4.99 | 103,158 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,642 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,540 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,682 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,483 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,164 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,575 |
| Countries in the Alps | 0 | - | 4.87 | 118,071 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,511 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,875 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,592 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,517 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,405 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,882 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,566 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,422 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,124 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,771 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,600 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,462 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,138 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,401 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,437 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,708 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,233 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,096 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,920 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,537 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,871 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,155 |
| Largest Countries By Category | 0 | - | 4.97 | 158,058 |
| Countries by Countries | 0 | - | 4.96 | 63,102 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,583 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,689 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,972 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,272 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,607 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,587 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,808 |
| Northernmost Countries | 0 | - | 4.99 | 361,593 |
| Countries of South America | 0 | - | 5.00 | 926,141 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,363 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,548 |
| "Land" Countries | 0 | - | 4.98 | 337,077 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,211 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,118 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,036 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,090 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,196 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,342 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,855 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,335 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,879 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,873 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,645 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,682 |
| Countries with Megacities | 0 | - | 4.99 | 264,023 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,521 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,359 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,794 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,416 |
| Countries by Official Language | 0 | - | 4.95 | 195,084 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,155 |
| Countries in their Native Language | 0 | - | 4.99 | 198,749 |
| Independence from Whom | 0 | - | 4.99 | 211,898 |
| Subdivisions by Country | 0 | - | 4.86 | 50,392 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,586 |
| Countries in World War I | 0 | - | 4.88 | 228,294 |
| Megadiverse Countries | 0 | - | 4.96 | 134,948 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,178 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,941 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,305 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,880 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,079 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,010 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,551 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,349 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,983 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,602 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,054 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,519 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,834 |
| Hindu Countries | 0 | - | 4.86 | 50,221 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,145 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,919 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,303 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,449 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,941 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,270 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,932 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,183 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,909 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,991 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,811 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,934 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,239 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,398 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,512 |
| Widest Countries East to West | 0 | - | 4.92 | 129,574 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,434 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,277 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,093 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,710 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,495 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,775 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,338 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,784 |
| Countries with Double Letters | 0 | - | 4.96 | 96,008 |
| Countries that End in N | 0 | - | 4.95 | 170,902 |
| Countries with Five Letters | 0 | - | 4.96 | 282,046 |
| Countries with Six Letters | 0 | - | 4.94 | 213,317 |
| Countries with W | 0 | - | 4.97 | 160,154 |
| Countries with Z | 0 | - | 4.98 | 291,198 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,518 |
| Countries That End in U | 0 | - | 4.95 | 120,750 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,286 |
| Countries that End in O | 0 | - | 4.92 | 159,447 |
| Countries that End in R | 0 | - | 4.87 | 118,911 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,674 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,893 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,577 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,390 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,310 |
| Countries That End in Y | 0 | - | 4.91 | 185,818 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,779 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,744 |
| Countries that End in I | 0 | - | 4.94 | 135,041 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,944 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,759 |
| Countries That End in NIA | 0 | - | 4.92 | 109,712 |
| Countries That End in BIA | 0 | - | 4.93 | 149,109 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,007 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,334 |
| Countries That End in RIA | 0 | - | 4.93 | 126,747 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,925 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,340 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,568 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,962 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,533 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,523 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,935 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,418 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,443 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,370 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,866 |
