| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,455 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,639,362 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,108,023 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,140 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,909 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,377 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,052 |
| Countries of Africa | 0 | - | 5.00 | 2,549,596 |
| Countries with Four Letters | 0 | - | 4.99 | 424,044 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,292 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,171 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,683,852 |
| Landlocked Countries | 0 | - | 4.99 | 423,250 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,346 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,509 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 734,194 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,388 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,751 |
| Country Chain | 0 | - | 4.96 | 217,852 |
| Countries by Emojis | 0 | - | 4.99 | 240,839 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,264 |
| Islands by Country #1 | 0 | - | 4.90 | 175,715 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,875 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,239 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,974 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,787,693 |
| Name a Valid Country #3 | 0 | - | 4.99 | 264,061 |
| Name a Valid Country #1 | 0 | - | 4.99 | 292,140 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,945 |
| Name a Valid Country #4 | 0 | - | 4.97 | 257,076 |
| Name a Valid Country #5 | 0 | - | 4.99 | 208,059 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,256 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,110 |
| Himalayan Countries | 0 | - | 4.94 | 139,285 |
| Andean Countries | 0 | - | 4.93 | 84,922 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,136 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,301 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,715 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,030 |
| Danube Countries | 0 | - | 4.97 | 72,155 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,227 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,564 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,579 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,091 |
| European Landlocked Countries | 0 | - | 4.99 | 147,304 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,872 |
| Countries with the Most Species | 0 | - | 4.99 | 103,359 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,005 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,656 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,773 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,360 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,470 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,635 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,392 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,805 |
| Countries in the Alps | 0 | - | 4.87 | 118,407 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,852 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,325 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,772 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,746 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,657 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,062 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,848 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,628 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,260 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,982 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,733 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,604 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,341 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,589 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,658 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,227 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,428 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,405 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,902 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,280 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,614 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,493 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,334 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,934 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,704 |
| Largest Countries By Category | 0 | - | 4.97 | 158,444 |
| Countries by Countries | 0 | - | 4.96 | 63,383 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,090 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,429 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,213 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,126 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,180 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,933 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,898 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,364 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,330 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,818 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,343 |
| Random Countries by Borders | 0 | - | 4.99 | 82,787 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,699 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,724 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,921 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,151 |
| Island Countries | 0 | - | 4.99 | 711,525 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,940 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,511 |
| Northernmost Countries | 0 | - | 4.99 | 362,623 |
| Countries of South America | 0 | - | 5.00 | 929,153 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,140 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,327 |
| "Land" Countries | 0 | - | 4.98 | 337,701 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,682 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,085 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,415 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,073 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,365 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,338 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,596 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,657 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,318 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,031 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,287 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,471 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,286 |
| Countries with Megacities | 0 | - | 4.99 | 265,473 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,105 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,673 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,352 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,744 |
| Countries by Official Language | 0 | - | 4.95 | 195,513 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,748 |
| Countries in their Native Language | 0 | - | 4.99 | 199,299 |
| Independence from Whom | 0 | - | 4.99 | 212,394 |
| Subdivisions by Country | 0 | - | 4.87 | 50,499 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,954 |
| Megadiverse Countries | 0 | - | 4.96 | 135,111 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,320 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,427 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,309 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,144 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,301 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,668 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,646 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,430 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,722 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,190 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,962 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,974 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,287 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,024 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,448 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,563 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,616 |
| World Map Quiz | 0 | - | 4.81 | 65,279 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,474 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,358 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,445 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,147 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,666 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,047 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,156 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,419 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,510 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,669 |
| Widest Countries East to West | 0 | - | 4.92 | 129,780 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,484 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,768 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,401 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,862 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,734 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,994 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,423 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,826 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,370 |
| Countries with Double Letters | 0 | - | 4.96 | 96,540 |
| Countries that End in N | 0 | - | 4.95 | 171,438 |
| Countries with Five Letters | 0 | - | 4.96 | 282,991 |
| Countries with Six Letters | 0 | - | 4.94 | 213,862 |
| Countries with W | 0 | - | 4.96 | 160,548 |
| Countries with Z | 0 | - | 4.98 | 291,788 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,910 |
| Countries That End in U | 0 | - | 4.95 | 120,967 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,677 |
| Countries that End in O | 0 | - | 4.92 | 159,618 |
| Countries that End in R | 0 | - | 4.87 | 119,042 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,800 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,361 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,850 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,603 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,510 |
| Countries That End in Y | 0 | - | 4.91 | 185,955 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,095 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,014 |
| Countries that End in I | 0 | - | 4.94 | 135,181 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,276 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,896 |
| Countries That End in NIA | 0 | - | 4.92 | 109,865 |
| Countries That End in BIA | 0 | - | 4.93 | 149,334 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,254 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,548 |
| Countries That End in RIA | 0 | - | 4.93 | 126,902 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,149 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,942 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,878 |