| Landforms by Country | 0 | - | 4.52 | 51,914 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,721 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,439 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,508 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,583 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,296 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,668 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,077 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,038 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,189 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,780 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,404 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,825 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,066 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,138 |
| Countries with Four Letters | 0 | - | 4.99 | 418,387 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,775 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,773 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,146 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,896,717 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,891 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,444 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,194 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,263 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,391 |
| Country Chain | 0 | - | 4.96 | 215,666 |
| Countries by Emojis | 0 | - | 4.99 | 236,055 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,082 |
| Islands by Country #1 | 0 | - | 4.87 | 174,454 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,885 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,257 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,320 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,707 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,373 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,735 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,306 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,315 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,473 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,722 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,341 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,367 |
| Landlocked Countries | 0 | - | 4.99 | 413,337 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,130 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,282 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,400 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,428 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,313 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,323 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,815 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,630 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,609 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,478 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,723 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,244 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,392 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,903 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,134 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,458 |
| National Animals | 0 | - | 4.24 | 89,141 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,580 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,004 |
| Random Countries by Borders | 0 | - | 4.99 | 81,642 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,372 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,158 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,467 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,512 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,028 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,661 |
| Island Countries | 0 | - | 4.99 | 707,505 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,464 |
| Himalayan Countries | 0 | - | 4.95 | 135,250 |
| Andean Countries | 0 | - | 4.94 | 82,770 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,181 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,123 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,851 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,558 |
| Danube Countries | 0 | - | 4.97 | 71,054 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,718 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,508 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,405 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,333 |
| European Landlocked Countries | 0 | - | 4.99 | 145,721 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,156 |
| Countries with the Most Species | 0 | - | 4.99 | 95,229 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,296 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,358 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,945 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,553 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,924 |
| Countries in the Alps | 0 | - | 4.86 | 116,777 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,529 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,196 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,987 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,394 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,119 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,974 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,537 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,728 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,142 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,027 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,185 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,026 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,423 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,715 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,728 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,007 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,617 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,240 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,740 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,120 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,548 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,577 |
| Largest Countries By Category | 0 | - | 4.97 | 156,706 |
| Countries by Countries | 0 | - | 4.96 | 62,233 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,536 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,333 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,703 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,953 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,319 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,729 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,097 |
| Northernmost Countries | 0 | - | 4.99 | 357,568 |
| Companies by Country | 0 | - | 4.56 | 118,667 |
| Countries of South America | 0 | - | 5.00 | 914,239 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,845 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,313 |
| "Land" Countries | 0 | - | 4.98 | 333,566 |
| African Great Lakes | 0 | - | 4.82 | 65,104 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,619 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,333 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,648 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,541 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,495 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,014 |
| Countries with Megacities | 0 | - | 4.99 | 246,571 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,941 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,813 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,385 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Countries by Official Language | 0 | - | 4.95 | 192,711 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,045 |
| Countries in their Native Language | 0 | - | 4.99 | 196,569 |
| Independence from Whom | 0 | - | 4.99 | 209,613 |
| Subdivisions by Country | 0 | - | 4.86 | 50,053 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,695 |
| Megadiverse Countries | 0 | - | 4.97 | 133,869 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,743 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,904 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,980 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,408 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| South China Sea Countries | 0 | - | 4.78 | 57,485 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,614 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,981 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,870 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,123 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,608 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,204 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,594 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,734 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,511 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,400 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,477 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,647 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,006 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,202 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,507 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,335 |
| World Map Quiz | 0 | - | 4.81 | 63,461 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,503 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,295 |
| Countries by Founding Story | 0 | - | 4.95 | 76,499 |
| Countries by Road Signs | 0 | - | 4.98 | 53,072 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,278 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,950 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,910 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,654 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,824 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,031 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,241 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,927 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,315 |
| Widest Countries East to West | 0 | - | 4.92 | 128,581 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,210 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,169 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,555 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,672 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,599 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,016 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,047 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,569 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,569 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,833 |
| Countries with Double Letters | 0 | - | 4.97 | 93,320 |
| Countries that End in N | 0 | - | 4.94 | 156,411 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,611 |
| Countries with Six Letters | 0 | - | 4.93 | 210,291 |
