| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,949 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,448 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,401 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,653,811 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,124,840 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,436 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,578 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,622 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,261 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,482 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,707 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,359 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,549 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,734 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,613 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,691 |
| Landforms by Country | 0 | - | 4.52 | 52,018 |
| Countries with Four Letters | 0 | - | 4.99 | 425,902 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,069 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,953 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,888,836 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,849 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,959 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 742,900 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,070 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,441 |
| Country Chain | 0 | - | 4.96 | 218,478 |
| Countries by Emojis | 0 | - | 4.99 | 242,505 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,593 |
| Islands by Country #1 | 0 | - | 4.90 | 176,357 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,239 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,563 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,397 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,002 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,653 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,061 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,377 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,230 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,220 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,087 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,233 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,886 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,206 |
| Landlocked Countries | 0 | - | 4.99 | 426,013 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,186 |
| Rivers of the United States | 0 | - | 4.93 | 66,689 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,864 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,763 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,733 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,680 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,111 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,935 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,480 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,695 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,224 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,154 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,767 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,122 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,531 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,363 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,101 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,143 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,546 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,610 |
| Random Countries by Borders | 0 | - | 4.99 | 83,097 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,037 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,666 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,877 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,532 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,727 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,768 |
| Island Countries | 0 | - | 4.99 | 712,618 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,349 |
| Himalayan Countries | 0 | - | 4.93 | 140,310 |
| Andean Countries | 0 | - | 4.94 | 85,501 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,644 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,053 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,217 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,460 |
| Danube Countries | 0 | - | 4.97 | 72,418 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,614 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,855 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,156 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,640 |
| European Landlocked Countries | 0 | - | 4.99 | 147,621 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,325 |
| Countries with the Most Species | 0 | - | 4.99 | 103,574 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,429 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,781 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,849 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,588 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,028 |
| Countries in the Alps | 0 | - | 4.87 | 118,798 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,671 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,897 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,971 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,037 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,976 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,275 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,424 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,877 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,436 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,192 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,752 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,569 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,811 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,904 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,881 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,626 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,753 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,691 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,773 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,189 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,518 |
| Largest Countries By Category | 0 | - | 4.97 | 158,885 |
| Countries by Countries | 0 | - | 4.96 | 63,658 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,060 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,282 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,027 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,404 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,676 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,116 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,396,070 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,887 |
| Northernmost Countries | 0 | - | 4.99 | 364,076 |
| Countries of South America | 0 | - | 5.00 | 932,869 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,586 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,694 |
| "Land" Countries | 0 | - | 4.98 | 338,422 |
| African Great Lakes | 0 | - | 4.82 | 66,980 |
| Capitals by River | 0 | - | 4.55 | 48,387 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,504 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,923 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,037 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,462 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,315 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,539 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,197 |
| Countries with Megacities | 0 | - | 4.99 | 267,188 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,880 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,154 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,195 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,264 |
| Countries by Official Language | 0 | - | 4.95 | 196,022 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,665 |
| Countries in their Native Language | 0 | - | 4.99 | 199,755 |
| Independence from Whom | 0 | - | 4.99 | 213,102 |
| Subdivisions by Country | 0 | - | 4.87 | 50,620 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,461 |
| Megadiverse Countries | 0 | - | 4.96 | 135,288 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,965 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,546 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 982,529 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,696 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| South China Sea Countries | 0 | - | 4.78 | 57,851 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,278 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,860 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,129 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,573 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,172 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,071 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,059 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,261 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,563 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,384 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,449 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,154 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,589 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,877 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,738 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,394 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,634 |
| World Map Quiz | 0 | - | 4.81 | 65,751 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,332 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,720 |
| Countries by Founding Story | 0 | - | 4.95 | 77,810 |
| Countries by Road Signs | 0 | - | 4.98 | 54,357 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,559,600 |
| Random Country Shape to Country | 0 | - | 4.90 | 115,382 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,286 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,102 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,574 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,618 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,447 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,550 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,752 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,703 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,749 |
| Widest Countries East to West | 0 | - | 4.92 | 130,482 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,602 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,275 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,524 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,071 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,990 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,498 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,507 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,896 |
