| Landforms by Country | 0 | - | 4.52 | 51,914 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,730 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,025 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,699 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,591 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,302 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,723 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,114 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,081 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,209 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,783 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,409 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,835 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,067 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,146 |
| Countries with Four Letters | 0 | - | 4.99 | 418,450 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,782 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,805 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,171 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,906,203 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,948 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,448 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,799 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,318 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,289 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,409 |
| Country Chain | 0 | - | 4.96 | 215,700 |
| Countries by Emojis | 0 | - | 4.99 | 236,114 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,095 |
| Islands by Country #1 | 0 | - | 4.87 | 174,468 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,902 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,267 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,325 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,746 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,385 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,768 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,380 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,348 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,518 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,759 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,361 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,379 |
| Landlocked Countries | 0 | - | 4.99 | 413,449 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,215 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,288 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,421 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,437 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,322 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,328 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,837 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,656 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,616 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,531 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,767 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,289 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,411 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,984 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,172 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,472 |
| National Animals | 0 | - | 4.24 | 89,143 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,588 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,017 |
| Random Countries by Borders | 0 | - | 4.99 | 81,658 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,459 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,183 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,471 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,671 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,067 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,759 |
| Island Countries | 0 | - | 4.99 | 707,555 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,516 |
| Himalayan Countries | 0 | - | 4.95 | 135,302 |
| Andean Countries | 0 | - | 4.94 | 82,799 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,194 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,158 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,868 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,572 |
| Danube Countries | 0 | - | 4.97 | 71,066 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,735 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,522 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,430 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,356 |
| European Landlocked Countries | 0 | - | 4.99 | 145,733 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,175 |
| Countries with the Most Species | 0 | - | 4.99 | 95,234 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,312 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,195 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,362 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,948 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,562 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,938 |
| Countries in the Alps | 0 | - | 4.86 | 116,791 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,541 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,228 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,993 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,405 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,136 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,981 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,553 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,739 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,195 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,037 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,190 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,034 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,436 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,723 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,739 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,024 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,624 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,247 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,753 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,198 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,620 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,594 |
| Largest Countries By Category | 0 | - | 4.97 | 156,726 |
| Countries by Countries | 0 | - | 4.96 | 62,244 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,862 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,354 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,758 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,959 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,327 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,746 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,271 |
| Northernmost Countries | 0 | - | 4.99 | 357,642 |
| Companies by Country | 0 | - | 4.56 | 118,689 |
| Countries of South America | 0 | - | 5.00 | 914,429 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,104 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,789 |
| "Land" Countries | 0 | - | 4.98 | 333,602 |
| African Great Lakes | 0 | - | 4.82 | 65,125 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,643 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,363 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,650 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,790 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,556 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,087 |
| Countries with Megacities | 0 | - | 4.99 | 246,714 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,020 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,886 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,441 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,804 |
| Countries by Official Language | 0 | - | 4.95 | 192,737 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,071 |
| Countries in their Native Language | 0 | - | 4.99 | 196,602 |
| Independence from Whom | 0 | - | 4.99 | 209,646 |
| Subdivisions by Country | 0 | - | 4.86 | 50,060 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,718 |
| Megadiverse Countries | 0 | - | 4.97 | 133,886 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,768 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,911 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,070 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,421 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,854 |
| South China Sea Countries | 0 | - | 4.78 | 57,487 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,632 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,988 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,894 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,131 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,612 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,208 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,596 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,738 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,539 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,405 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,482 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,491 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,657 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,013 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,208 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,535 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,352 |
| World Map Quiz | 0 | - | 4.81 | 63,476 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,572 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,312 |
| Countries by Founding Story | 0 | - | 4.95 | 76,517 |
| Countries by Road Signs | 0 | - | 4.98 | 53,087 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,316 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,969 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,929 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,699 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,837 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,043 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,257 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,934 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,325 |
| Widest Countries East to West | 0 | - | 4.92 | 128,595 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,215 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,189 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,560 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,679 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,614 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,026 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,049 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,574 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,760 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,837 |
| Countries with Double Letters | 0 | - | 4.97 | 93,351 |
| Countries that End in N | 0 | - | 4.94 | 156,611 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,645 |
| Countries with Six Letters | 0 | - | 4.93 | 210,317 |