| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,145 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,181 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,488 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,643,326 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,111 |
| Random Country to Capital | 0 | - | 4.98 | 925,360 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,377 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,474 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,255 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,652 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,206 |
| Countries with Four Letters | 0 | - | 4.99 | 424,806 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,510 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,376 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,131 |
| Capital Cities Chain | 0 | - | 4.84 | 83,172 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,344 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,577 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,967 |
| Country Chain | 0 | - | 4.96 | 217,974 |
| Countries by Emojis | 0 | - | 4.99 | 241,203 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,358 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,748 |
| Islands by Country #1 | 0 | - | 4.90 | 175,844 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,017 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,359 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,222 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,155 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,049 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,616 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,093 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,145 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,082 |
| Name a Valid Country #6 | 0 | - | 4.95 | 141,071 |
| Name a Valid Country #7 | 0 | - | 4.91 | 130,981 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,213 |
| Australian States and Territories | 0 | - | 4.96 | 142,574 |
| Counties of England | 0 | - | 4.97 | 801,010 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 737,008 |
| The Only Country ... | 0 | - | 4.91 | 81,655 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,474 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,543 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,488 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,975 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,751 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,398 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,440 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,147 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,538 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,745 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,761 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,404 |
| Random Countries by Borders | 0 | - | 4.99 | 82,859 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,997 |
| Name a Valid Island Country | 0 | - | 4.96 | 116,754 |
| Regions of Italy | 0 | - | 4.92 | 76,633 |
| Provinces of China | 0 | - | 4.97 | 206,823 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,966 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,353 |
| States of Germany | 0 | - | 4.95 | 153,911 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,490 |
| Boundary Waters | 0 | - | 4.92 | 88,674 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,332 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,026 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,488 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,345 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,706 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,904 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,408 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,828 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,325 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,085 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,704 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,341 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,218 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,254 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,561 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,996 |
| US States Quiz | 0 | - | 5.00 | 16,958,235 |
| Departments of France | 0 | - | 4.93 | 54,825 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,112 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,249 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,385 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,269 |
| Cities Chain #2 | 0 | - | 4.42 | 56,470 |
| Cities Chain #1 | 0 | - | 4.61 | 66,755 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,027 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,736,389 |
| Landlocked Countries | 0 | - | 4.99 | 423,859 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 980,773 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,785 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,529 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,911 |
| First Names of Scientists | 0 | - | 4.51 | 57,123 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,109 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,844 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,754 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,045 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,415 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,418 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,559 |
| Counties of Ireland | 0 | - | 4.92 | 196,767 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,838 |
| Historical Middle Names | 0 | - | 4.16 | 36,013 |
| People with Food Names | 0 | - | 4.10 | 61,293 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,855 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 230,148 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,908 |
| Also Known As #1 | 0 | - | 4.18 | 31,784 |
| Birth Names | 0 | - | 4.31 | 61,861 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,822 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,224 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,716 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,734 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,286 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,411 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,361 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,462 |
| Capital City Etymologies | 0 | - | 4.77 | 63,462 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,122 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,594 |
| Island Countries | 0 | - | 4.99 | 711,785 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,369 |
| Himalayan Countries | 0 | - | 4.94 | 139,545 |
| Andean Countries | 0 | - | 4.94 | 85,069 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,250 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,466 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,811 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,122 |
| Danube Countries | 0 | - | 4.97 | 72,215 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,313 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,629 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,716 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,223 |
| European Landlocked Countries | 0 | - | 4.99 | 147,387 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,986 |
| Countries with the Most Species | 0 | - | 4.99 | 103,425 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,116 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,682 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,794 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,704 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,440 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,854 |
| Countries in the Alps | 0 | - | 4.87 | 118,499 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,090 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,463 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,814 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,816 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,750 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,925 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,675 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,302 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,019 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,763 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,632 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,392 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,725 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,385 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,476 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,261 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,366 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,937 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,670 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,383 |
| Largest Countries By Category | 0 | - | 4.97 | 158,552 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,990 |
| Countries by Countries | 0 | - | 4.96 | 63,443 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,220 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,018 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,344 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,350 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,624 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,909 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,510 |
| Northernmost Countries | 0 | - | 4.99 | 363,098 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,652 |
| Countries by Milk Production | 0 | - | 4.54 | 44,157 |
| Mountains by Country | 0 | - | 4.56 | 81,925 |
| Islands by Country #2 | 0 | - | 4.80 | 77,703 |
| Countries of South America | 0 | - | 5.00 | 930,008 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,337 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,511 |
| "Land" Countries | 0 | - | 4.98 | 337,896 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,350 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,190 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,267 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,930 |
| Top World Languages | 0 | - | 4.92 | 827,279 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,662 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,067 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,574 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,573 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,445 |
| Longest International Borders | 0 | - | 4.99 | 265,531 |
| Countries with Three Borders | 0 | - | 4.96 | 36,692 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,252 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,373 |
| Demonym of Every Country | 0 | - | 4.90 | 61,166 |
