| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,094 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,228 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,413 |
| The Only African Country ... | 0 | - | 4.99 | 129,326 |
| The Only American Country ... | 0 | - | 4.92 | 121,867 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,239 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,404 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,837,378 |
| One Border Countries | 0 | - | 4.98 | 470,240 |
| Random Countries by Borders | 0 | - | 4.99 | 82,723 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,104 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,447 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 57,038 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,349 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,709 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 313,233 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,467 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,822 |
| Countries with Two Borders | 0 | - | 4.99 | 150,131 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,555 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,245 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,110 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,560 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,725 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,211 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,799 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,787 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,295 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,636,778 |
| Landlocked Countries | 0 | - | 4.99 | 422,658 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,730 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,815 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,228 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,392 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,546 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,095 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,536 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,846 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,023 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,429 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,564 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,064 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,861 |
| Himalayan Countries | 0 | - | 4.95 | 139,036 |
| Andean Countries | 0 | - | 4.93 | 84,804 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,032 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,112 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,616 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,930 |
| Danube Countries | 0 | - | 4.97 | 72,099 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,130 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,501 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,456 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,948 |
| European Landlocked Countries | 0 | - | 4.99 | 147,235 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,775 |
| Countries with the Most Species | 0 | - | 4.99 | 103,311 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,897 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,632 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,752 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,599 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,320 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,744 |
| Countries in the Alps | 0 | - | 4.87 | 118,317 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,557 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,197 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,721 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,677 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,588 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,001 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,761 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,571 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,228 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,925 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,691 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,575 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,302 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,545 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,611 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,067 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,373 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,514 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,210 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,313 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,334 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,287 |
| Largest Countries By Category | 0 | - | 4.97 | 158,351 |
| Countries by Countries | 0 | - | 4.96 | 63,323 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,754 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,594 |
| European Countries with One Border | 0 | - | 4.97 | 183,226 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,992 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,226 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,709 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,753 |
| Island Countries | 0 | - | 4.99 | 711,283 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,378 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,735 |
| Northernmost Countries | 0 | - | 4.99 | 362,297 |
| Countries of South America | 0 | - | 5.00 | 928,318 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,150 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,419 |
| "Land" Countries | 0 | - | 4.98 | 337,545 |
| Countries Bordering France | 0 | - | 4.83 | 403,760 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,861 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,598 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,468 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,509 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,224 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,976 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,315 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,340 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,532 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,285 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,247 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,102 |
| Countries with Megacities | 0 | - | 4.99 | 265,039 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,588 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,176 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,660 |
| Countries by Official Language | 0 | - | 4.95 | 195,387 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,558 |
| Countries in their Native Language | 0 | - | 4.99 | 199,172 |
| Independence from Whom | 0 | - | 4.99 | 212,263 |
| Subdivisions by Country | 0 | - | 4.87 | 50,464 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,855 |
| Megadiverse Countries | 0 | - | 4.96 | 135,072 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,210 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,390 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,273 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,131 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,218 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,638 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,568 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,695 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,170 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,831 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,930 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,246 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,002 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,396 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,529 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,406 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,228 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,356 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,065 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,431 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,968 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,074 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,358 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,481 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,619 |
| Widest Countries East to West | 0 | - | 4.92 | 129,717 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,473 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,463 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,146 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,814 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,647 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,937 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,398 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,814 |
| Countries with Double Letters | 0 | - | 4.96 | 96,388 |
| Countries that End in N | 0 | - | 4.95 | 171,271 |
| Countries with Five Letters | 0 | - | 4.96 | 282,762 |
| Countries with Six Letters | 0 | - | 4.94 | 213,713 |
| Countries with W | 0 | - | 4.97 | 160,443 |
| Countries with Z | 0 | - | 4.98 | 291,625 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,806 |
| Countries That End in U | 0 | - | 4.95 | 120,902 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,569 |
| Countries that End in O | 0 | - | 4.92 | 159,555 |
| Countries that End in R | 0 | - | 4.87 | 119,003 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,765 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,237 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,764 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,532 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,454 |
| Countries That End in Y | 0 | - | 4.91 | 185,918 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,012 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,931 |
| Countries that End in I | 0 | - | 4.94 | 135,135 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,191 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,858 |
| Countries That End in NIA | 0 | - | 4.92 | 109,836 |
| Countries That End in BIA | 0 | - | 4.93 | 149,271 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,176 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,481 |
| Countries That End in RIA | 0 | - | 4.93 | 126,857 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,074 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,794 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,790 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,224 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,770 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,617 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,080 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,461 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,588 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,463 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,056 |
