| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,011 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,818 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,686 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,647,520 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,596 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,930 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,358 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,735 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,560 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,399 |
| Random Country to Capital | 0 | - | 4.98 | 926,438 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,111,155 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,839 |
| Countries with Four Letters | 0 | - | 4.99 | 425,209 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,396 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,018 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,664 |
| Countries by Milk Production | 0 | - | 4.54 | 44,189 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,361 |
| Foods of the World by Description | 0 | - | 4.18 | 46,100 |
| Capital Cities Chain | 0 | - | 4.84 | 83,255 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,445 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,761 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,186 |
| Country Chain | 0 | - | 4.96 | 218,247 |
| Countries by Emojis | 0 | - | 4.99 | 241,479 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,454 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,250 |
| Islands by Country #1 | 0 | - | 4.90 | 176,180 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,126 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,451 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,312 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,458 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,612 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,476 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,697 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,744 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,631 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,082 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,531 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,656 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 739,497 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,437 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,452 |
| Boundary Waters | 0 | - | 4.92 | 88,714 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,371 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,577 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,179 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,853 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,193 |
| The Only Country ... | 0 | - | 4.91 | 81,742 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,592 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,609 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,564 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,272 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,542 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,801 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,757 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,441 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,806 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,037 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,998 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,481 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,455 |
| Ethnic Groups by Country Quiz #1 | 0 | - | 4.19 | 93,318 |
| Ethnic Groups by Country #2 | 0 | - | 4.29 | 52,906 |
| Random Countries by Borders | 0 | - | 4.99 | 82,919 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,342 |
| Name a Valid Island Country | 0 | - | 4.97 | 128,439 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,529 |
| Fruits by Picture | 0 | - | 4.19 | 808,858 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,647 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,788,817 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,341 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,566 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,891 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,058 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,521 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,417 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,343 |
| Cities Chain #2 | 0 | - | 4.42 | 56,494 |
| Cities Chain #1 | 0 | - | 4.61 | 66,783 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,093 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,983 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,527 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,196 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,766 |
| Landlocked Countries | 0 | - | 4.99 | 424,620 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 981,624 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,058 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,620 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,950 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,833 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,600 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,595 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,860 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,295 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,818 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,857 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,672 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,961 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,881 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,684 |
| Himalayan Countries | 0 | - | 4.93 | 139,815 |
| Andean Countries | 0 | - | 4.94 | 85,202 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,385 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,676 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,954 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,246 |
| Danube Countries | 0 | - | 4.97 | 72,280 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,432 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,719 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,880 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,380 |
| European Landlocked Countries | 0 | - | 4.99 | 147,467 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,106 |
| Countries with the Most Species | 0 | - | 4.99 | 103,494 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,249 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,711 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,825 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,753 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,490 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,911 |
| Countries in the Alps | 0 | - | 4.87 | 118,600 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,347 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,622 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,883 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,904 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,830 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,143 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,266 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,777 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,348 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,076 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,800 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,666 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,458 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,695 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,783 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,547 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,528 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,561 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,500 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,248 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,864 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,436 |
| Largest Countries By Category | 0 | - | 4.97 | 158,679 |
| Countries by Countries | 0 | - | 4.96 | 63,518 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,112 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,366 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,217 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,644 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,603 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,288 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,991 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,669 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,886 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,660 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,720 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,355 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,951 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,724 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,590 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,788 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,492 |
| Longest International Borders | 0 | - | 4.99 | 265,645 |
| Countries with Three Borders | 0 | - | 4.96 | 36,727 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,299 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,442 |
| Demonym of Every Country | 0 | - | 4.90 | 61,328 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,530 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,024 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,454 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,469 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,340 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,198 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,032 |
| Island Countries | 0 | - | 4.99 | 712,121 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,259 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,363 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,392 |
| Northernmost Countries | 0 | - | 4.99 | 363,458 |
| Mountains by Country | 0 | - | 4.56 | 81,956 |
| Islands by Country #2 | 0 | - | 4.80 | 77,794 |
| Countries of South America | 0 | - | 5.00 | 931,024 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,414 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,716 |
| "Land" Countries | 0 | - | 4.98 | 338,087 |
| Top World Languages | 0 | - | 4.92 | 828,307 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,469 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,760 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,261 |
| Fictional Cities | 0 | - | 4.26 | 47,977 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,222 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,956 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,413 |
| Movies by Country #2 | 0 | - | 4.20 | 45,816 |
| Musical Acts by Country #2 | 0 | - | 4.37 | 35,794 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,280 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,689 |