| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,683 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,367 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,617,800 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,357 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,019 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,325 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,348 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,391 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,197 |
| Random Country to Capital | 0 | - | 4.98 | 919,226 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,099,491 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 449,824 |
| Countries with Four Letters | 0 | - | 4.99 | 421,870 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,253 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,792 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,560 |
| Countries by Milk Production | 0 | - | 4.54 | 43,928 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,432 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,251 |
| Foods of the World by Description | 0 | - | 4.18 | 46,021 |
| Capital Cities Chain | 0 | - | 4.83 | 82,594 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,765 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,090 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 178,673 |
| Country Chain | 0 | - | 4.96 | 216,933 |
| Countries by Emojis | 0 | - | 4.99 | 239,183 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,807 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,148 |
| Islands by Country #1 | 0 | - | 4.88 | 175,179 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,428 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,772 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,667 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,279 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,693 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,139 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,298 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,206 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,595 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,136 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,016 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,381 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,674 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,970 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,274 |
| Boundary Waters | 0 | - | 4.92 | 88,406 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,111 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,978 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,274 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,388 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,677 |
| The Only Country ... | 0 | - | 4.91 | 80,875 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,738 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,051 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,008 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,560 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,123 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,754 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,737 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,946 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,658 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,220 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,245 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,425 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,017 |
| Ethnic Groups by Country Quiz #1 | 0 | - | 4.19 | 93,116 |
| Ethnic Groups by Country #2 | 0 | - | 4.29 | 52,763 |
| Random Countries by Borders | 0 | - | 4.99 | 82,335 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,837 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,812 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,309 |
| Fruits by Picture | 0 | - | 4.19 | 806,919 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,574 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,374,428 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,874 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,872 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,842 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,209 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,665 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,188 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,907 |
| Cities Chain #2 | 0 | - | 4.42 | 56,336 |
| Cities Chain #1 | 0 | - | 4.61 | 66,596 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,524 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,843 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,433 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,382 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,235 |
| Landlocked Countries | 0 | - | 4.99 | 419,479 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 975,641 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,482 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,538 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,067 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,656 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,492 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,233 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,529 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,703 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,773 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,000 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,952 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,386 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,971 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,213 |
| Himalayan Countries | 0 | - | 4.95 | 137,655 |
| Andean Countries | 0 | - | 4.95 | 84,055 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,300 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,802 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,920 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,418 |
| Danube Countries | 0 | - | 4.97 | 71,722 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,114 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,745 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,820 |
| European Landlocked Countries | 0 | - | 4.99 | 146,835 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,205 |
| Countries with the Most Species | 0 | - | 4.99 | 102,980 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,360 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,442 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,609 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,346 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,021 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,414 |
| Countries in the Alps | 0 | - | 4.87 | 117,770 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,196 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,479 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,056 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,162 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,757 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,347 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,241 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,004 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,599 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,513 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,362 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,970 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,255 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,289 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,096 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,599 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,622 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,615 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,363 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,026 |
| Largest Countries By Category | 0 | - | 4.97 | 157,742 |
| Countries by Countries | 0 | - | 4.96 | 62,894 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,284 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,870 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,480 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,715 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,694 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,383 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,493 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,225 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,060 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,479 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,437 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,764 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,275 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,401 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,242 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,106 |
| Longest International Borders | 0 | - | 4.99 | 264,751 |
| Countries with Three Borders | 0 | - | 4.96 | 36,475 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,943 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,056 |
| Demonym of Every Country | 0 | - | 4.91 | 59,203 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,463 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,044 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,478 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,417 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,750 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,413 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,403 |
| Island Countries | 0 | - | 4.99 | 709,993 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,871 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,126 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,648 |
| Northernmost Countries | 0 | - | 4.99 | 360,734 |
| Mountains by Country | 0 | - | 4.56 | 81,746 |
| Islands by Country #2 | 0 | - | 4.80 | 77,366 |
| Countries of South America | 0 | - | 5.00 | 923,687 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,120 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,288 |
| "Land" Countries | 0 | - | 4.98 | 335,923 |
| Top World Languages | 0 | - | 4.92 | 820,870 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,258 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 87,155 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,186 |
| Fictional Cities | 0 | - | 4.26 | 47,937 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,121 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,959 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,337 |
| Movies by Country #2 | 0 | - | 4.20 | 45,724 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,590 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,344 |
| All Country Flags of the World | 0 | - | 5.00 | 3,654,448 |