| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,496 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,399 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,330 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,719 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,744 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,258 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,731,184 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,256 |
| Countries by Emojis | 0 | - | 4.99 | 241,178 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,350 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,803 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,139 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,845 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,481 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,109 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,972 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,741 |
| Orthodox Countries | 0 | - | 4.92 | 132,541 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,170 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,478 |
| Battle to Country | 0 | - | 4.91 | 53,732 |
| Monarchies of Europe | 0 | - | 4.90 | 98,588 |
| Monarchies of Asia | 0 | - | 4.97 | 71,367 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,156 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,396 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,196 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,290 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,229 |
| Countries that Start with D | 0 | - | 4.96 | 714,089 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,337 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,642 |
| Countries that Start with H | 0 | - | 4.96 | 607,910 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,422 |
| Countries that Start with J | 0 | - | 4.98 | 605,387 |
| Countries that Start with K | 0 | - | 4.97 | 819,065 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,689 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,728 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,026 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,311 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,278 |
| Countries that Start with U | 0 | - | 4.97 | 907,149 |
| Countries that Start with V | 0 | - | 4.98 | 611,066 |
| Countries that Start with F | 0 | - | 4.83 | 620,013 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,017 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,270 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,528 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,594 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,386 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,995 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,812 |
| Landlocked Countries | 0 | - | 4.99 | 423,808 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,190 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,026 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,425 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,593 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,454 |
| Companies by Country | 0 | - | 4.61 | 120,000 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,007 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,571 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,515 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,614 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,482 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,502 |
| Name a Valid African Country | 0 | - | 4.98 | 154,715 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,224 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,096 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,531 |
| Island Countries | 0 | - | 4.99 | 711,754 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,338 |
| Himalayan Countries | 0 | - | 4.94 | 139,515 |
| Andean Countries | 0 | - | 4.94 | 85,053 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,242 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,443 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,800 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,115 |
| Danube Countries | 0 | - | 4.97 | 72,208 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,302 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,623 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,705 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,211 |
| European Landlocked Countries | 0 | - | 4.99 | 147,376 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,975 |
| Countries with the Most Species | 0 | - | 4.99 | 103,421 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,113 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,693 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,438 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,850 |
| Countries in the Alps | 0 | - | 4.87 | 118,489 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,069 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,449 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,810 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,812 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,743 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,097 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,916 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,669 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,297 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,017 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,761 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,630 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,385 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,721 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,373 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,475 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,222 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,350 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,905 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,653 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,380 |
| Largest Countries By Category | 0 | - | 4.97 | 158,543 |
| Countries by Countries | 0 | - | 4.96 | 63,437 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,478 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,005 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,348 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,620 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,906 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,415 |
| Northernmost Countries | 0 | - | 4.99 | 363,064 |
| Countries of South America | 0 | - | 5.00 | 929,953 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,225 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,309 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,063 |
| "Land" Countries | 0 | - | 4.98 | 337,880 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,851 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,632 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,276 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,490 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,101 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,230 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,709 |
| Countries in World War I | 0 | - | 4.88 | 228,771 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,744 |
| Hindu Countries | 0 | - | 4.87 | 50,432 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,262 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,518 |
| Political Movements by Country | 0 | - | 4.46 | 72,700 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,625 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,841,929 |
| One Border Countries | 0 | - | 4.98 | 470,945 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,285 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,351 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,642,917 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,439 |
| Countries with Megacities | 0 | - | 4.99 | 265,857 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,234 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,752 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,495 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,845 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,928 |
| Random Country to Capital | 0 | - | 4.98 | 925,258 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,607 |
| Countries by Official Language | 0 | - | 4.95 | 195,637 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,055 |
| Countries in their Native Language | 0 | - | 4.99 | 199,413 |
| Independence from Whom | 0 | - | 4.99 | 212,558 |
| Subdivisions by Country | 0 | - | 4.87 | 50,533 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,069 |
| Megadiverse Countries | 0 | - | 4.96 | 135,154 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,245 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,437 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,460 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,443 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,339 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,163 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,373 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,698 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,740 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,470 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,748 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,207 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,095 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,223 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,331 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,058 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,476 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,601 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,823 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,748 |
| World Map Quiz | 0 | - | 4.81 | 65,379 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,265 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,531 |
| Countries by Founding Story | 0 | - | 4.95 | 77,535 |
| Countries by Road Signs | 0 | - | 4.98 | 54,206 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,650 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,673 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,328 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,953 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,192 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,313 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,528 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,584 |
| Tallest Countries North to South | 0 | - | 4.85 | 128,853 |
| Widest Countries East to West | 0 | - | 4.92 | 130,184 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,529 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,021 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,439 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,932 |