| One Country By Letter By Continent | 0 | - | 5.00 | 123,962 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,468,624 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,242 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,525 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,255 |
| Landlocked Countries | 0 | - | 4.99 | 420,648 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,312 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,966 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,658 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,338 |
| Countries that Start with D | 0 | - | 4.96 | 709,793 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,383 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,538 |
| Countries that Start with H | 0 | - | 4.96 | 604,879 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,468 |
| Countries that Start with J | 0 | - | 4.98 | 602,560 |
| Countries that Start with K | 0 | - | 4.97 | 815,925 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,889 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,884 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,275 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,046 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,973 |
| Countries that Start with U | 0 | - | 4.97 | 904,603 |
| Countries that Start with V | 0 | - | 4.98 | 609,424 |
| Countries that Start with F | 0 | - | 4.83 | 617,717 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,868 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,461 |
| Orthodox Countries | 0 | - | 4.92 | 131,971 |
| Battle to Country | 0 | - | 4.91 | 53,356 |
| Monarchies of Europe | 0 | - | 4.90 | 98,165 |
| Monarchies of Asia | 0 | - | 4.97 | 71,099 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,901 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,767 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,184 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,279 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,888 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,389 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,079 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,310 |
| Island Countries | 0 | - | 4.99 | 710,459 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,778 |
| Himalayan Countries | 0 | - | 4.95 | 138,137 |
| Andean Countries | 0 | - | 4.95 | 84,288 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,509 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,371 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,141 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,588 |
| Danube Countries | 0 | - | 4.97 | 71,845 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,810 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,251 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,999 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,450 |
| European Landlocked Countries | 0 | - | 4.99 | 146,980 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,394 |
| Countries with the Most Species | 0 | - | 4.99 | 103,102 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,548 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,510 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,664 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,451 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,124 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,514 |
| Countries in the Alps | 0 | - | 4.87 | 117,969 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,655 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,740 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,551 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,461 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,321 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,838 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,480 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,347 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,083 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,710 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,571 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,423 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,078 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,357 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,370 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,560 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,697 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,833 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,231 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,698 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,115 |
| Largest Countries By Category | 0 | - | 4.97 | 157,945 |
| Countries by Countries | 0 | - | 4.97 | 63,023 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,442 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,620 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,586 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,196 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,032 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,515 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,018 |
| Northernmost Countries | 0 | - | 4.99 | 361,279 |
| Countries of South America | 0 | - | 5.00 | 925,229 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,243 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,283 |
| "Land" Countries | 0 | - | 4.98 | 336,582 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,139 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,035 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,979 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,028 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,285 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,747 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,310 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,822 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,890 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,383 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,492 |
| Countries with Megacities | 0 | - | 4.99 | 263,508 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,341 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,267 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,628 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,302 |
| Countries by Official Language | 0 | - | 4.95 | 194,956 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,980 |
| Countries in their Native Language | 0 | - | 4.99 | 198,473 |
| Independence from Whom | 0 | - | 4.99 | 211,739 |
| Subdivisions by Country | 0 | - | 4.86 | 50,368 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,008 |
| Countries in World War I | 0 | - | 4.88 | 228,172 |
| Megadiverse Countries | 0 | - | 4.96 | 134,900 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,055 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,818 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,266 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,850 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,061 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,926 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,489 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,235 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,943 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,568 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,362 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,798 |
| Hindu Countries | 0 | - | 4.86 | 50,162 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,099 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,874 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,257 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,421 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,723 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,203 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,806 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,107 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,840 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,805 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,741 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,870 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,180 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,360 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,449 |
| Widest Countries East to West | 0 | - | 4.92 | 129,517 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,418 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,185 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,067 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,645 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,422 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,712 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,314 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,767 |
| Countries with Double Letters | 0 | - | 4.97 | 95,521 |
| Countries that End in N | 0 | - | 4.95 | 170,550 |
| Countries with Five Letters | 0 | - | 4.96 | 281,544 |
| Countries with Six Letters | 0 | - | 4.94 | 212,949 |
| Countries with W | 0 | - | 4.97 | 159,860 |
| Countries with Z | 0 | - | 4.98 | 290,782 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,129 |
| Countries That End in U | 0 | - | 4.95 | 120,579 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,079 |
| Countries that End in O | 0 | - | 4.92 | 159,324 |
| Countries that End in R | 0 | - | 4.87 | 118,826 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,604 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,681 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,366 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,260 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,874 |
| Countries That End in Y | 0 | - | 4.91 | 185,751 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,570 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,649 |
| Countries that End in I | 0 | - | 4.94 | 134,977 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,764 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,696 |
| Countries That End in NIA | 0 | - | 4.92 | 109,646 |
| Countries That End in BIA | 0 | - | 4.93 | 149,006 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,899 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,234 |
| Countries That End in RIA | 0 | - | 4.93 | 126,671 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,801 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,167 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,450 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,844 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,377 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,443 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,832 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,372 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,303 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,764 |
| Countries that End in L | 0 | - | 4.94 | 156,683 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,886 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,203 |
