| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,446 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,637,784 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,107,368 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,978 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,778 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,251 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,989 |
| Countries of Africa | 0 | - | 5.00 | 2,548,136 |
| Countries with Four Letters | 0 | - | 4.99 | 423,845 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,203 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,095 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,657,898 |
| Landlocked Countries | 0 | - | 4.99 | 422,931 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,192 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,039 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 731,615 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,310 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,643 |
| Country Chain | 0 | - | 4.96 | 217,799 |
| Countries by Emojis | 0 | - | 4.99 | 240,725 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,218 |
| Islands by Country #1 | 0 | - | 4.90 | 175,669 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,837 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,202 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,953 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,369 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,935 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,901 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,806 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,965 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,941 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,166 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,991 |
| Himalayan Countries | 0 | - | 4.95 | 139,150 |
| Andean Countries | 0 | - | 4.93 | 84,860 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,078 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,212 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,663 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,971 |
| Danube Countries | 0 | - | 4.97 | 72,128 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,178 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,532 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,517 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,021 |
| European Landlocked Countries | 0 | - | 4.99 | 147,265 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,823 |
| Countries with the Most Species | 0 | - | 4.99 | 103,341 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,949 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,646 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,765 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,308 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,435 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,612 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,355 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,776 |
| Countries in the Alps | 0 | - | 4.87 | 118,353 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,716 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,267 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,750 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,701 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,624 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,034 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,804 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,600 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,245 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,946 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,717 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,586 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,315 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,558 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,628 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,142 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,394 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,367 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,701 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,238 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,461 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,408 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,307 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,908 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,667 |
| Largest Countries By Category | 0 | - | 4.97 | 158,387 |
| Countries by Countries | 0 | - | 4.96 | 63,352 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,040 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,400 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,192 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,015 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,076 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,861 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,830 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,304 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,321 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,779 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,312 |
| Random Countries by Borders | 0 | - | 4.99 | 82,753 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,614 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,449 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,808 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,922 |
| Island Countries | 0 | - | 4.99 | 711,386 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,033 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,071 |
| Northernmost Countries | 0 | - | 4.99 | 362,440 |
| Countries of South America | 0 | - | 5.00 | 928,692 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,607 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,280 |
| "Land" Countries | 0 | - | 4.98 | 337,606 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,461 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,921 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,398 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,054 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,348 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,322 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,583 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,643 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,311 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,022 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,757 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,353 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,176 |
| Countries with Megacities | 0 | - | 4.99 | 265,258 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,005 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,625 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,260 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,699 |
| Countries by Official Language | 0 | - | 4.95 | 195,453 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,649 |
| Countries in their Native Language | 0 | - | 4.99 | 199,224 |
| Independence from Whom | 0 | - | 4.99 | 212,318 |
| Subdivisions by Country | 0 | - | 4.87 | 50,478 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,896 |
| Megadiverse Countries | 0 | - | 4.96 | 135,091 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,255 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,407 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,290 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,139 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,262 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,655 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,604 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,415 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,704 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,179 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,887 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,944 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,263 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,010 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,417 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,543 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,509 |
| World Map Quiz | 0 | - | 4.81 | 65,237 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,443 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,290 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,394 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,103 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,540 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,004 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,113 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,388 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,494 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,644 |
| Widest Countries East to West | 0 | - | 4.92 | 129,743 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,478 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,501 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,264 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,830 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,690 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,962 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,407 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,819 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,291 |
| Countries with Double Letters | 0 | - | 4.96 | 96,453 |
| Countries that End in N | 0 | - | 4.95 | 171,334 |
| Countries with Five Letters | 0 | - | 4.96 | 282,873 |
| Countries with Six Letters | 0 | - | 4.94 | 213,793 |
| Countries with W | 0 | - | 4.96 | 160,485 |
| Countries with Z | 0 | - | 4.98 | 291,697 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,846 |
| Countries That End in U | 0 | - | 4.95 | 120,931 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,615 |
| Countries that End in O | 0 | - | 4.92 | 159,584 |
| Countries that End in R | 0 | - | 4.87 | 119,016 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,775 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,295 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,801 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,572 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,479 |
| Countries That End in Y | 0 | - | 4.91 | 185,936 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,049 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,975 |
| Countries that End in I | 0 | - | 4.94 | 135,162 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,235 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,874 |
| Countries That End in NIA | 0 | - | 4.92 | 109,852 |
| Countries That End in BIA | 0 | - | 4.93 | 149,301 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,210 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,513 |
| Countries That End in RIA | 0 | - | 4.93 | 126,876 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,100 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,868 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,839 |
