| Countries by Three Words #2 | 0 | - | 4.97 | 203,013 |
| Countries by Three Words #1 | 0 | - | 4.95 | 265,756 |
| European Countries by Clue | 0 | - | 4.92 | 183,775 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 101,158 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,958 |
| The Only American Country ... | 0 | - | 4.92 | 121,770 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,283 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,135 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,441 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,039 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,671 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,558,001 |
| Landlocked Countries | 0 | - | 4.99 | 421,658 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,410 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 57,004 |
| Countries by Three Words #3 | 0 | - | 4.80 | 128,884 |
| Countries by Three Words #4 | 0 | - | 4.45 | 100,904 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 100,797 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 95,111 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 86,865 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 77,016 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 87,042 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 95,024 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,885 |
| Countries by a Single Clue #11 | 0 | - | 4.61 | 76,586 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 79,034 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,483 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,294 |
| Himalayan Countries | 0 | - | 4.95 | 138,585 |
| Andean Countries | 0 | - | 4.93 | 84,527 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,715 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,715 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,349 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,741 |
| Danube Countries | 0 | - | 4.97 | 71,968 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,967 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,384 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,234 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,716 |
| European Landlocked Countries | 0 | - | 4.99 | 147,095 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,576 |
| Countries with the Most Species | 0 | - | 4.99 | 103,203 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,709 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,570 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,706 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,519 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,200 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,623 |
| Countries in the Alps | 0 | - | 4.87 | 118,155 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,900 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,982 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,624 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,567 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,461 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,923 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,634 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,462 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,158 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,812 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,635 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,494 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,191 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,438 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,490 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,826 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,284 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,258 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,017 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,762 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,006 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,195 |
| Largest Countries By Category | 0 | - | 4.97 | 158,158 |
| Countries by Countries | 0 | - | 4.96 | 63,164 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,640 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,270 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,968 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,643 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,307 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,427 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,999 |
| Island Countries | 0 | - | 4.99 | 710,923 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,463 |
| Northernmost Countries | 0 | - | 4.99 | 361,806 |
| Countries of South America | 0 | - | 5.00 | 926,869 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,315 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,325 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,555 |
| "Land" Countries | 0 | - | 4.98 | 337,243 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,876 |
| Countries by a Single Clue #7 | 0 | - | 4.37 | 70,396 |
| Countries by a Single Clue #9 | 0 | - | 4.37 | 73,196 |
| Countries by a Single Word | 0 | - | 4.69 | 28,843 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,797 |
| Countries with Megacities | 0 | - | 4.99 | 264,374 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,661 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,422 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,928 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,490 |
| Countries by Official Language | 0 | - | 4.95 | 195,199 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,279 |
| Countries in their Native Language | 0 | - | 4.99 | 198,985 |
| Independence from Whom | 0 | - | 4.99 | 212,016 |
| Subdivisions by Country | 0 | - | 4.86 | 50,420 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,673 |
| Megadiverse Countries | 0 | - | 4.96 | 134,981 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,027 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,332 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,215 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,093 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,078 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,578 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,419 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,008 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,630 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,127 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,621 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,856 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,182 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,946 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,334 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,475 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,099 |
| World Map Quiz | 0 | - | 4.81 | 65,041 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,118 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,321 |
| Countries by Founding Story | 0 | - | 4.95 | 77,341 |
| Countries by Road Signs | 0 | - | 4.98 | 53,988 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,017 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,241 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,960 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,119 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,849 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,981 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,269 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,421 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,550 |
| Widest Countries East to West | 0 | - | 4.92 | 129,618 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,441 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,341 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,109 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,749 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,558 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,832 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,364 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,795 |
| Countries with Double Letters | 0 | - | 4.96 | 96,156 |
| Countries that End in N | 0 | - | 4.95 | 171,035 |
| Countries with Five Letters | 0 | - | 4.96 | 282,279 |
| Countries with Six Letters | 0 | - | 4.94 | 213,462 |
| Countries with W | 0 | - | 4.97 | 160,266 |
| Countries with Z | 0 | - | 4.98 | 291,351 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,630 |
| Countries That End in U | 0 | - | 4.95 | 120,815 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,392 |
| Countries that End in O | 0 | - | 4.92 | 159,486 |
| Countries that End in R | 0 | - | 4.87 | 118,947 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,703 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,002 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,642 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,437 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,354 |
| Countries That End in Y | 0 | - | 4.91 | 185,854 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,851 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,811 |
| Countries that End in I | 0 | - | 4.94 | 135,063 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,024 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,793 |
| Countries That End in NIA | 0 | - | 4.92 | 109,753 |
| Countries That End in BIA | 0 | - | 4.93 | 149,160 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,063 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,391 |
| Countries That End in RIA | 0 | - | 4.93 | 126,782 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,982 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,509 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,651 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,053 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,612 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,554 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,987 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,432 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,489 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,395 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,241 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,940 |
| Countries that End in L | 0 | - | 4.94 | 156,799 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,566 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,253 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,998 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,924 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,968 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,677 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,608 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,945 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,497 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,384 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,833 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,081 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,695 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,850 |
