| Countries by Clue #2 | 0 | - | 4.92 | 146,968 |
| Countries by Clue #1 | 0 | - | 4.93 | 219,116 |
| European Countries by Clue | 0 | - | 4.93 | 170,688 |
| Countries by a Single Clue #5 | 0 | - | 4.90 | 90,127 |
| The Only American Country ... | 0 | - | 4.94 | 109,483 |
| Five Countries by a Single Word by Continent | 0 | - | 4.89 | 65,473 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,924 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 70,219 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 89,446 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 66,660 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,803,832 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 321,990 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.92 | 61,013 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.90 | 53,304 |
| Countries by Clue #3 | 0 | - | 4.76 | 90,585 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 93,371 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 88,099 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 80,868 |
| Countries by a Single Clue #4 | 0 | - | 4.48 | 71,754 |
| Countries by a Single Clue #6 | 0 | - | 4.47 | 80,979 |
| Countries by a Single Clue #8 | 0 | - | 4.46 | 88,870 |
| Countries by a Single Clue #10 | 0 | - | 4.57 | 63,401 |
| Countries by a Single Clue #11 | 0 | - | 4.66 | 71,105 |
| Countries by a Single Clue #12 | 0 | - | 4.47 | 62,063 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,057,062 |
| Members of the Arab League | 0 | - | 4.85 | 61,099 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,351 |
| Himalayan Countries | 0 | - | 4.94 | 104,231 |
| Andean Countries | 0 | - | 4.91 | 57,735 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,682 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,078 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,446 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,888 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,143 |
| Danube Countries | 0 | - | 4.97 | 56,552 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,583 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,767 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,934 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,167 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,926 |
| European Landlocked Countries | 0 | - | 4.99 | 115,024 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,168 |
| Countries with the Most Species | 0 | - | 4.99 | 89,185 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,212 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,614 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,950 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,126 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,325 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,626 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,017 |
| Countries in the Alps | 0 | - | 4.83 | 102,412 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,126 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,716 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,441 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,103 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,784 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,396 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,456 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,038 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,235 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,521 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,259 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,497 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,594 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,325 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,821 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,319 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,594 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,237 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,268 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,332 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,458 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,185 |
| Largest Countries By Category | 0 | - | 4.96 | 144,587 |
| Countries by Countries | 0 | - | 4.95 | 54,485 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,036 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,600 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,939 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,187 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,450 |
| Island Countries Quiz | 0 | - | 4.99 | 659,240 |
| Biggest Countries by Area | 0 | - | 5.00 | 930,899 |
| Northernmost Countries | 0 | - | 4.99 | 326,641 |
| Countries of South America | 0 | - | 5.00 | 790,598 |
| Countries of Oceania | 0 | - | 5.00 | 890,317 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,139,748 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,566,539 |
| Countries Ending in "IA" by Clue | 0 | - | 4.79 | 65,778 |
| Countries by Clue #4 | 0 | - | 4.39 | 68,575 |
| Countries by a Single Clue #7 | 0 | - | 4.37 | 65,769 |
| Countries by a Single Clue #9 | 0 | - | 4.38 | 68,615 |
| Countries by a Single Word | 0 | - | 4.63 | 26,560 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,410 |
| Countries with Megacities | 0 | - | 4.99 | 196,534 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 170,966 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,603 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,891 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 63,565 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,186 |
| Countries by Official Language | 0 | - | 4.95 | 154,635 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 248,341 |
| Countries in their Native Language | 0 | - | 4.98 | 177,758 |
| Independence from Whom | 0 | - | 4.99 | 185,078 |
| Subdivisions by Country | 0 | - | 4.82 | 46,374 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,140 |
| Megadiverse Countries | 0 | - | 4.96 | 125,162 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,801 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,527 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,305 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,868 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,032 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,605 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,950 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,923 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,277 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,583 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,485 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,880 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,903 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,421 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,143 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 81,675 |
| World Map Quiz | 0 | - | 4.90 | 49,057 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 112,694 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 81,294 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,353 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,704 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,767 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,068 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,162 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,410 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,083 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,755 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,274 |
| Widest Countries East to West | 0 | - | 4.93 | 119,190 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,780 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,809 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,565 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,253 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,656 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,005 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,403 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,005 |
| Countries with Double Letters | 0 | - | 4.96 | 67,946 |
| Countries that End in N | 0 | - | 4.93 | 132,323 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,275 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,680 |
| Countries with W | 0 | - | 4.97 | 122,457 |
| Countries with Z | 0 | - | 4.98 | 243,981 |
| Countries with Letters Missing | 0 | - | 4.97 | 155,312 |
| Countries That End in U | 0 | - | 4.94 | 107,393 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,122 |
| Countries that End in O | 0 | - | 4.92 | 146,793 |
| Countries that End in R | 0 | - | 4.86 | 96,357 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,144 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,957 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,509 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,061 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,078 |
| Countries That End in Y | 0 | - | 4.90 | 161,553 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,437 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,545 |
| Countries that End in I | 0 | - | 4.92 | 114,417 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,265 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,143 |
| Countries That End in NIA | 0 | - | 4.93 | 100,710 |
| Countries That End in BIA | 0 | - | 4.91 | 125,899 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,036 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,574 |
| Countries That End in RIA | 0 | - | 4.90 | 100,828 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,278 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,243 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,449 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,319 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,127 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,069 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,530 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,706 |
| Countries with the Word "And" | 0 | - | 4.98 | 83,225 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,498 |
| Countries that End in L | 0 | - | 4.95 | 134,121 |
| "Land" Countries | 0 | - | 4.98 | 288,882 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,563 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,160 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,154 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,079 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,471 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,474 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 165,539 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,278 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 132,478 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 193,084 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,665 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,788 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,970 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,198 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,925 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,012 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,828 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,056,470 |
