| Islands by Country #1 | 0 | - | 4.90 | 176,441 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,602 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,656,967 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,126,914 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,872 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,508 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,685 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,821 |
| Countries with Four Letters | 0 | - | 4.99 | 426,171 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,229 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,089 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,931,197 |
| Landlocked Countries | 0 | - | 4.99 | 426,736 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,081 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 744,239 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,198 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,564 |
| Country Chain | 0 | - | 4.96 | 218,570 |
| Countries by Emojis | 0 | - | 4.99 | 242,675 |
| African Island Countries | 0 | - | 4.96 | 102,658 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,658 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,312 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,621 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,439 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,845 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,331 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,221 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,747 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,425 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,409 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,251 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,480 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,663 |
| Himalayan Countries | 0 | - | 4.93 | 140,594 |
| Andean Countries | 0 | - | 4.94 | 85,676 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,808 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,305 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,365 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,590 |
| Danube Countries | 0 | - | 4.97 | 72,495 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,716 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,916 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,321 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,772 |
| European Landlocked Countries | 0 | - | 4.99 | 147,685 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,434 |
| Countries with the Most Species | 0 | - | 4.99 | 103,613 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,549 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,795 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,925 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,838 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,779 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,893 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,633 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,089 |
| Countries in the Alps | 0 | - | 4.87 | 118,887 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,843 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,030 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,024 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,117 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,339 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,500 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,944 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,480 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,264 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,928 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,802 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,627 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,866 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,969 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,042 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,674 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,723 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,859 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,769 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,022 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,342 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,572 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,147 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,989 |
| Largest Countries By Category | 0 | - | 4.97 | 158,977 |
| Countries by Countries | 0 | - | 4.97 | 63,735 |
| Richest Island Countries | 0 | - | 4.85 | 101,295 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,611 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,816 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,412 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,286 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,892 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,356 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,229 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,431 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,177 |
| Islands by Country #2 | 0 | - | 4.80 | 77,924 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,595 |
| Random Countries by Borders | 0 | - | 4.99 | 83,158 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,792 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,124 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,901 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,072 |
| Island Countries | 0 | - | 4.99 | 712,804 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,634 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,538 |
| Northernmost Countries | 0 | - | 4.99 | 364,349 |
| Countries of South America | 0 | - | 5.00 | 933,586 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,583 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,365 |
| "Land" Countries | 0 | - | 4.98 | 338,680 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,512 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,199 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,544 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,214 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,480 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,445 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,674 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,752 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,373 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,102 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,206 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,770 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,366 |
| Countries with Megacities | 0 | - | 4.99 | 267,539 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,023 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,254 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,349 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,358 |
| Countries by Official Language | 0 | - | 4.95 | 196,136 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,811 |
| Countries in their Native Language | 0 | - | 4.99 | 199,862 |
| Independence from Whom | 0 | - | 4.99 | 213,272 |
| Subdivisions by Country | 0 | - | 4.87 | 50,644 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,580 |
| Megadiverse Countries | 0 | - | 4.96 | 146,758 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,053 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,560 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,760 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,242 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,375 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,899 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,206 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,600 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,131 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,279 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,670 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,446 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,475 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,189 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,191 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,612 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,929 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,573 |
| World Map Quiz | 0 | - | 4.81 | 65,862 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,615 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,768 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,408 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,168 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,638 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,766 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,499 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,615 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,803 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,737 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,870 |
| Widest Countries East to West | 0 | - | 4.92 | 130,789 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,620 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,326 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,542 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,112 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,062 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,555 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,522 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,911 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,134 |
| Countries with Double Letters | 0 | - | 4.96 | 97,353 |
| Countries that End in N | 0 | - | 4.95 | 172,422 |
| Countries with Five Letters | 0 | - | 4.96 | 284,347 |
| Countries with Six Letters | 0 | - | 4.94 | 214,736 |
| Countries with W | 0 | - | 4.96 | 161,137 |
| Countries with Z | 0 | - | 4.98 | 292,734 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,486 |
| Countries That End in U | 0 | - | 4.95 | 121,298 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,271 |
| Countries that End in O | 0 | - | 4.92 | 160,298 |
| Countries that End in R | 0 | - | 4.87 | 119,238 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,008 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,008 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 178,804 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,992 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,229 |
| Countries That End in Y | 0 | - | 4.91 | 186,135 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,841 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,352 |
| Countries that End in I | 0 | - | 4.94 | 135,374 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,925 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,106 |
| Countries That End in NIA | 0 | - | 4.92 | 110,113 |
| Countries That End in BIA | 0 | - | 4.93 | 149,672 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,853 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,838 |
| Countries That End in RIA | 0 | - | 4.93 | 127,106 |
