| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,256 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,612,189 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,218 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,696 |
| Countries of Africa | 0 | - | 5.00 | 2,528,427 |
| Countries with Four Letters | 0 | - | 4.99 | 421,292 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,926 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,638 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,095 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 69,070 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,150 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,289,427 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,356 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,579 |
| Country Chain | 0 | - | 4.96 | 216,739 |
| Countries by Emojis | 0 | - | 4.99 | 238,433 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,602 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,518 |
| Islands by Country #1 | 0 | - | 4.88 | 175,031 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,313 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,664 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,587 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,888 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,337 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,291 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,837 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,771 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,126 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,807 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,420 |
| Landlocked Countries | 0 | - | 4.99 | 418,253 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,904 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,482 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,877 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,882 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,587 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,254 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,422 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,044 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,782 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,291 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,348 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,635 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,446 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,939 |
| Random Countries by Borders | 0 | - | 4.99 | 82,230 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,535 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,354 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,415 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,770 |
| Island Countries | 0 | - | 4.99 | 709,477 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,643 |
| Himalayan Countries | 0 | - | 4.94 | 137,123 |
| Andean Countries | 0 | - | 4.95 | 83,778 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,024 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,402 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,700 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,257 |
| Danube Countries | 0 | - | 4.97 | 71,584 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,450 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,986 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,524 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,580 |
| European Landlocked Countries | 0 | - | 4.99 | 146,698 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,024 |
| Countries with the Most Species | 0 | - | 4.99 | 102,818 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,164 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,401 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,262 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,932 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,312 |
| Countries in the Alps | 0 | - | 4.87 | 117,587 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,069 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,248 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,914 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,021 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,398 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,191 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,132 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,929 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,494 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,302 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,875 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,139 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,161 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,041 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,013 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,537 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,428 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,997 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,072 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,946 |
| Largest Countries By Category | 0 | - | 4.97 | 157,538 |
| Countries by Countries | 0 | - | 4.96 | 62,779 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,267 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,122 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,139 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,263 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,345 |
| Northernmost Countries | 0 | - | 4.99 | 360,185 |
| Countries of South America | 0 | - | 5.00 | 922,114 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,964 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,480 |
| "Land" Countries | 0 | - | 4.98 | 335,647 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,632 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,190 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,849 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,136 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,164 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,461 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,484 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,216 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,925 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,070 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,398 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,493 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,781 |
| Countries with Megacities | 0 | - | 4.99 | 249,986 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,634 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,855 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,940 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,834 |
| Countries by Official Language | 0 | - | 4.95 | 194,516 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,360 |
| Countries in their Native Language | 0 | - | 4.99 | 198,080 |
| Independence from Whom | 0 | - | 4.99 | 211,186 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,606 |
| Megadiverse Countries | 0 | - | 4.96 | 134,720 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,196 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,152 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,719 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,999 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,645 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,332 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,877 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,790 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,956 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,805 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,674 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,940 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,746 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,100 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,293 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,016 |
| World Map Quiz | 0 | - | 4.81 | 64,412 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,258 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,965 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,376 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,868 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,574 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,152 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,455 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,633 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,774 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,228 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,229 |
| Widest Countries East to West | 0 | - | 4.92 | 129,316 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,372 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,885 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,976 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,470 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,151 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,487 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,211 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,714 |
| Countries with Double Letters | 0 | - | 4.97 | 94,984 |
| Countries that End in N | 0 | - | 4.95 | 169,726 |
| Countries with Five Letters | 0 | - | 4.96 | 279,279 |
| Countries with Six Letters | 0 | - | 4.94 | 212,336 |
| Countries with W | 0 | - | 4.97 | 159,428 |
| Countries with Z | 0 | - | 4.98 | 289,666 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,640 |
| Countries That End in U | 0 | - | 4.95 | 120,368 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,662 |
| Countries that End in O | 0 | - | 4.92 | 159,160 |
| Countries that End in R | 0 | - | 4.87 | 118,699 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,477 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,206 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,044 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,042 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,624 |
| Countries That End in Y | 0 | - | 4.90 | 185,615 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,144 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,345 |
| Countries that End in I | 0 | - | 4.94 | 134,833 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,993 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,544 |
| Countries That End in NIA | 0 | - | 4.92 | 109,477 |
| Countries That End in BIA | 0 | - | 4.93 | 148,787 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,645 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,999 |
| Countries That End in RIA | 0 | - | 4.93 | 126,488 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,579 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,525 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,135 |
