| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,652 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,432 |
| Random Countries by Borders | 0 | - | 4.99 | 82,479 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,349 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,625,297 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,342 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,230 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,061 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,120 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,434 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,953 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,102,366 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,004 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,596 |
| Countries with Four Letters | 0 | - | 4.99 | 422,648 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,866 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,477 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,567 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,256 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,345 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,164 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,307 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,551 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,384 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,883 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,565 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,664 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,431 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,778 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,182 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,668 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,675 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,483,980 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,628 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,497 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,933 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,191 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,346 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,759 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,715 |
| Country Chain | 0 | - | 4.96 | 217,141 |
| Countries by Emojis | 0 | - | 4.99 | 239,839 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,970 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,811 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,903 |
| Islands by Country #1 | 0 | - | 4.88 | 175,325 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,560 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,915 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,747 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,140 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,128 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,845 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,707 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,116 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,505 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,196 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,261 |
| Landlocked Countries | 0 | - | 4.99 | 420,818 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,710 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,913 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,435 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,646 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,979 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,232 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,150 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,775 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,499 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,745 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,232 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,991 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,183 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,153 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,268 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,887 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,116 |
| European Countries with One Border | 0 | - | 4.97 | 182,843 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,644 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,137 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,529 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,140 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,445 |
| Island Countries | 0 | - | 4.99 | 710,554 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,892 |
| Himalayan Countries | 0 | - | 4.95 | 138,212 |
| Andean Countries | 0 | - | 4.95 | 84,328 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,554 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,438 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,179 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,605 |
| Danube Countries | 0 | - | 4.97 | 71,865 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,840 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,267 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,037 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,504 |
| European Landlocked Countries | 0 | - | 4.99 | 147,005 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,420 |
| Countries with the Most Species | 0 | - | 4.99 | 103,125 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,569 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,523 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,459 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,136 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,534 |
| Countries in the Alps | 0 | - | 4.87 | 118,006 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,001 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,787 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,561 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,476 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,348 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,851 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,501 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,366 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,097 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,723 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,574 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,432 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,097 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,370 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,393 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,609 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,194 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,715 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,860 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,344 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,753 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,131 |
| Largest Countries By Category | 0 | - | 4.97 | 157,978 |
| Countries by Countries | 0 | - | 4.96 | 63,051 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,518 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,503 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,547 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,279 |
| Northernmost Countries | 0 | - | 4.99 | 361,380 |
| Countries of South America | 0 | - | 5.00 | 925,492 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,578 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,886 |
| "Land" Countries | 0 | - | 4.98 | 336,846 |
| Countries That Border Russia | 0 | - | 4.98 | 461,870 |
| Countries Bordering France | 0 | - | 4.83 | 402,669 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,526 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,291 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,959 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,239 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,245 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,514 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,567 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,258 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,971 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,101 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,773 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,198 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,198 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,451 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,570 |
| Countries with Megacities | 0 | - | 4.99 | 263,672 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,407 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,299 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,682 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,338 |
| Countries by Official Language | 0 | - | 4.95 | 194,999 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,035 |
| Countries in their Native Language | 0 | - | 4.99 | 198,507 |
| Independence from Whom | 0 | - | 4.99 | 211,786 |
| Subdivisions by Country | 0 | - | 4.86 | 50,378 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,126 |
| Megadiverse Countries | 0 | - | 4.96 | 134,909 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,857 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,280 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,860 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,067 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,956 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,502 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,269 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,957 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,582 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,410 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,806 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,118 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,892 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,265 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,429 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,800 |
| World Map Quiz | 0 | - | 4.81 | 64,918 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,555 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,224 |
| One Border Countries - Shape Quiz | 0 | - | 4.85 | 64,893 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,845 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,130 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,852 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,856 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,758 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,892 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,196 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,370 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,468 |
| Widest Countries East to West | 0 | - | 4.92 | 129,537 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,420 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,218 |
