| Regions of Countries #1 | 0 | - | 4.96 | 159,610 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,991 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,787 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,924 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,869 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,307 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,630,230 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,685 |
| Random Country to Capital | 0 | - | 4.98 | 922,208 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,104,420 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,380 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,199 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,781 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,720 |
| Countries with Four Letters | 0 | - | 4.99 | 423,144 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,882 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,849 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,618 |
| Capital Cities Chain | 0 | - | 4.83 | 82,890 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,054 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,967 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,197 |
| Country Chain | 0 | - | 4.96 | 217,330 |
| Countries by Emojis | 0 | - | 4.99 | 240,206 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,063 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,551 |
| Islands by Country #1 | 0 | - | 4.88 | 175,419 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,235 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,503 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,911 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,292 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,448 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,488 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,845 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,611 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,963 |
| Australian States and Territories | 0 | - | 4.96 | 142,167 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,377 |
| Counties of England | 0 | - | 4.97 | 798,260 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,570 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,058 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 722,240 |
| The Only Country ... | 0 | - | 4.91 | 81,326 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,106 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,304 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,236 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,839 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,569 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,542 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,464 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,531 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,049 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,989 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,996 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,175 |
| Random Countries by Borders | 0 | - | 4.99 | 82,585 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,331 |
| Regions of Italy | 0 | - | 4.92 | 76,140 |
| States of India | 0 | - | 4.95 | 193,904 |
| Japanese Prefectures | 0 | - | 4.98 | 137,390 |
| Provinces of China | 0 | - | 4.97 | 205,385 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,241 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,099 |
| States of Germany | 0 | - | 4.95 | 152,985 |
| Regions of New Zealand | 0 | - | 4.84 | 28,563 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,341 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,814 |
| Provinces of Turkey | 0 | - | 4.95 | 204,508 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,393 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,374 |
| Boundary Waters | 0 | - | 4.92 | 88,544 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,227 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,730 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,219 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,469 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,264 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,519 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,311 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,813 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,691 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,466 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,473 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 384,399 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,771 |
| States of Mexico | 0 | - | 4.96 | 176,579 |
| States of Brazil | 0 | - | 4.97 | 88,441 |
| Departments of France | 0 | - | 4.93 | 54,361 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,113 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,214 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,750 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,287 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,096 |
| Cities Chain #2 | 0 | - | 4.42 | 56,419 |
| Cities Chain #1 | 0 | - | 4.61 | 66,669 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,660 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,553,949 |
| Landlocked Countries | 0 | - | 4.99 | 421,606 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 978,154 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,860 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,955 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,159 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,833 |
| First Names of Scientists | 0 | - | 4.51 | 56,961 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,183 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,625 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,378 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,473 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,995 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,706 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,025 |
| Counties of Ireland | 0 | - | 4.92 | 195,847 |
| Historical Middle Names | 0 | - | 4.16 | 35,885 |
| People with Food Names | 0 | - | 4.10 | 61,146 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,631 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,512 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,880 |
| Also Known As #1 | 0 | - | 4.18 | 31,671 |
| Birth Names | 0 | - | 4.31 | 61,808 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,691 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,985 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,357 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,362 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,277 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,623 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,734 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,445 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,403 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,969 |
| Island Countries | 0 | - | 4.99 | 710,906 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,257 |
| Himalayan Countries | 0 | - | 4.95 | 138,553 |
| Andean Countries | 0 | - | 4.93 | 84,512 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,697 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,693 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,330 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,729 |
| Danube Countries | 0 | - | 4.97 | 71,959 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,958 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,381 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,220 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,697 |
| European Landlocked Countries | 0 | - | 4.99 | 147,086 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,563 |
| Countries with the Most Species | 0 | - | 4.99 | 103,196 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,694 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,559 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,702 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,510 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,192 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,614 |
| Countries in the Alps | 0 | - | 4.87 | 118,145 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,855 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,973 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,618 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,562 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,450 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,918 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,627 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,456 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,155 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,808 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,631 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,492 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,183 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,433 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,484 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,806 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,276 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,135 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,999 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,744 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,988 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,190 |
| Largest Countries By Category | 0 | - | 4.97 | 158,144 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,890 |
| Countries by Countries | 0 | - | 4.96 | 63,152 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,069 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,634 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,278 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,640 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,393 |
| Northernmost Countries | 0 | - | 4.99 | 361,787 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,615 |
| Countries by Milk Production | 0 | - | 4.54 | 44,047 |
| Mountains by Country | 0 | - | 4.56 | 81,819 |
| Islands by Country #2 | 0 | - | 4.80 | 77,511 |
| Countries of South America | 0 | - | 5.00 | 926,764 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,197 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,106 |
| "Land" Countries | 0 | - | 4.98 | 337,227 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,302 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,905 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,679 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,846 |
| Top World Languages | 0 | - | 4.92 | 823,768 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,475 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,480 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,901 |