| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,903 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,267 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,627,413 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,103,106 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,761 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,728 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,062 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,028 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,818 |
| Random Countries by Borders | 0 | - | 4.99 | 82,520 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,219 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,710 |
| Random Country to Capital | 0 | - | 4.98 | 921,400 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,157 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 166,013 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,610 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,641 |
| Countries with Four Letters | 0 | - | 4.99 | 422,864 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,762 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,561 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,513,155 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,559 |
| Landlocked Countries | 0 | - | 4.99 | 421,140 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,765 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,995 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,649 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,841 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,955 |
| Country Chain | 0 | - | 4.96 | 217,214 |
| Countries by Emojis | 0 | - | 4.99 | 240,004 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,008 |
| Islands by Country #1 | 0 | - | 4.88 | 175,372 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,581 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,951 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,768 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,352 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,260 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,409 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,985 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,839 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,228 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,621 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,448 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,804 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,747 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,033 |
| Himalayan Countries | 0 | - | 4.95 | 138,349 |
| Andean Countries | 0 | - | 4.93 | 84,391 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,613 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,532 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,242 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,646 |
| Danube Countries | 0 | - | 4.97 | 71,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,889 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,315 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,126 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,584 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,632 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,680 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,034 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,264 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,479 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,160 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,573 |
| Countries in the Alps | 0 | - | 4.87 | 118,057 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,461 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,859 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,588 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,396 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,880 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,560 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,415 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,120 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,762 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,589 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,129 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,396 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,430 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,691 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,228 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,188 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,732 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,912 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,508 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,847 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,153 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,805 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,525 |
| Largest Countries By Category | 0 | - | 4.97 | 158,041 |
| Countries by Countries | 0 | - | 4.96 | 63,095 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,797 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,270 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,334 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,284 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,370 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,562 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,960 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,244 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,537 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,891 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,832 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,580 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,141 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,019 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,846 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,275 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,682 |
| Island Countries | 0 | - | 4.99 | 710,708 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,433 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,734 |
| Northernmost Countries | 0 | - | 4.99 | 361,562 |
| Countries of South America | 0 | - | 5.00 | 926,019 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,265 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,298 |
| "Land" Countries | 0 | - | 4.98 | 337,053 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,419 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,560 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,783 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,617 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,666 |
| Countries with Megacities | 0 | - | 4.99 | 263,966 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,514 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,344 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,780 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,402 |
| Countries by Official Language | 0 | - | 4.95 | 195,068 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,145 |
| Countries in their Native Language | 0 | - | 4.99 | 198,680 |
| Independence from Whom | 0 | - | 4.99 | 211,884 |
| Subdivisions by Country | 0 | - | 4.86 | 50,387 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,579 |
| Megadiverse Countries | 0 | - | 4.96 | 134,941 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,930 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,298 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,877 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,077 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,003 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,547 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,343 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,981 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,600 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,501 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,829 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,143 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,914 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,827 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,300 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,445 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,920 |
| World Map Quiz | 0 | - | 4.81 | 64,971 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,781 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,266 |
| Countries by Founding Story | 0 | - | 4.95 | 77,294 |
| Countries by Road Signs | 0 | - | 4.98 | 53,905 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,919 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,175 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,903 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,976 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,929 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,229 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,394 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,506 |
| Widest Countries East to West | 0 | - | 4.92 | 129,567 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,432 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,274 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,088 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,700 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,486 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,769 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,335 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,782 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,851 |
| Countries with Double Letters | 0 | - | 4.96 | 95,984 |
| Countries that End in N | 0 | - | 4.95 | 170,886 |
| Countries with Five Letters | 0 | - | 4.96 | 282,018 |
| Countries with Six Letters | 0 | - | 4.94 | 213,305 |
| Countries with W | 0 | - | 4.97 | 160,143 |
| Countries with Z | 0 | - | 4.98 | 291,176 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,507 |
| Countries That End in U | 0 | - | 4.95 | 120,746 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,272 |
| Countries that End in O | 0 | - | 4.92 | 159,437 |
| Countries that End in R | 0 | - | 4.87 | 118,906 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,673 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,870 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,566 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,385 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,299 |
| Countries That End in Y | 0 | - | 4.91 | 185,810 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,764 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,737 |
| Countries that End in I | 0 | - | 4.94 | 135,033 |
