| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,393 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,552 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,757 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,655,278 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,377 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,585 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,775 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,137 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,022 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,405 |
| Random Country to Capital | 0 | - | 4.98 | 928,878 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,126,132 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,752 |
| Countries with Four Letters | 0 | - | 4.99 | 426,029 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,328 |
| Boundary Waters | 0 | - | 4.92 | 88,791 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,745 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,398 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,000 |
| Capital Cities Chain | 0 | - | 4.84 | 83,428 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,615 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,137 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,500 |
| Country Chain | 0 | - | 4.96 | 218,523 |
| Countries by Emojis | 0 | - | 4.99 | 242,593 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,627 |
| Islands by Country #1 | 0 | - | 4.90 | 176,407 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,279 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,599 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,424 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,205 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,149 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,566 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,327 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,326 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,178 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,388 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,959 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,091 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,961 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 743,666 |
| The Only Country ... | 0 | - | 4.91 | 81,938 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,911,033 |
| Landlocked Countries | 0 | - | 4.99 | 426,377 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,801 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,755 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,697 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,132 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,968 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,308 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,207 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,828 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,187 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,623 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,693 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,451 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,576 |
| Random Countries by Borders | 0 | - | 4.99 | 83,129 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,729 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,239 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,591 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,946 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,008 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,438 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,024 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,412 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,481 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,782 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,045 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,064 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,480 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,439 |
| Cities Chain #2 | 0 | - | 4.42 | 56,530 |
| Cities Chain #1 | 0 | - | 4.61 | 66,834 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,171 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,783 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,315 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,887 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,427 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,923 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,486 |
| Himalayan Countries | 0 | - | 4.93 | 140,431 |
| Andean Countries | 0 | - | 4.94 | 85,579 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,724 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,169 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,284 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,523 |
| Danube Countries | 0 | - | 4.97 | 72,455 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,667 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,889 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,236 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,709 |
| European Landlocked Countries | 0 | - | 4.99 | 147,652 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,371 |
| Countries with the Most Species | 0 | - | 4.99 | 103,595 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,479 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,909 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,870 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,607 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,055 |
| Countries in the Alps | 0 | - | 4.87 | 118,836 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,750 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,967 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,996 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,075 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,015 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,304 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 982,793 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,458 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,903 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,454 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,221 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,906 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,770 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,594 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,838 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,931 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,950 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,649 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,116 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,729 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,900 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,260 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,544 |
| Largest Countries By Category | 0 | - | 4.97 | 158,933 |
| Countries by Countries | 0 | - | 4.96 | 63,692 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,712 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,311 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,112 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,421 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,685 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,127 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,461 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,136 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,063 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,998 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,094 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,193 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,502 |
| Western Europe Map Quiz | 0 | - | 4.85 | 94,004 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,825 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,627 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,205 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,593 |
| Longest International Borders | 0 | - | 4.99 | 265,877 |
| Countries with Three Borders | 0 | - | 4.96 | 36,792 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,380 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,513 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,015 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,189 |
| Demonym of Every Country | 0 | - | 4.90 | 61,537 |
| Historical Middle Names | 0 | - | 4.16 | 36,284 |
| People with Food Names | 0 | - | 4.09 | 71,169 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 41,138 |
| First Names of Historical Figures #1 | 0 | - | 4.40 | 230,525 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,967 |
| Also Known As #1 | 0 | - | 4.18 | 31,896 |
| Birth Names | 0 | - | 4.31 | 61,928 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,603 |
| First Names of Scientists | 0 | - | 4.51 | 57,237 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,398 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,036 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,699 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,834 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,461 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,616 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,486 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,116 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,104 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,815 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,933 |
| Island Countries | 0 | - | 4.99 | 712,714 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,086 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,353 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,404 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,543 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,230 |
| Northernmost Countries | 0 | - | 4.99 | 364,220 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,700 |
| Countries by Milk Production | 0 | - | 4.54 | 44,248 |
| Mountains by Country | 0 | - | 4.56 | 82,003 |
| Islands by Country #2 | 0 | - | 4.80 | 77,910 |
| Countries of South America | 0 | - | 5.00 | 933,247 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,240 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,621 |
| Name a Country A-Z | 0 | - | 5.00 | 245,877 |
| "Land" Countries | 0 | - | 4.98 | 338,506 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,406 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,013 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,071 |
| Top World Languages | 0 | - | 4.92 | 830,346 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,742 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,022 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,282 |
| Countries with Megacities | 0 | - | 4.99 | 267,373 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,959 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,211 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,278 |
