| Regions of Countries #1 | 0 | - | 4.97 | 158,836 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,202 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,275 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,510 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,556 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,317 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,093 |
| Random Country to Capital | 0 | - | 4.98 | 910,432 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,144 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,419 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,809 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,810 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,055 |
| Countries with Four Letters | 0 | - | 4.99 | 418,011 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,615 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,016 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,817 |
| Capital Cities Chain | 0 | - | 4.84 | 81,796 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,857 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,121 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,260 |
| Country Chain | 0 | - | 4.96 | 215,545 |
| Countries by Emojis | 0 | - | 4.99 | 235,775 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,014 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,522 |
| Islands by Country #1 | 0 | - | 4.87 | 174,389 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,468 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,524 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,830 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,064 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,219 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,540 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,168 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,266 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,786 |
| Australian States and Territories | 0 | - | 4.95 | 140,545 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,226 |
| Counties of England | 0 | - | 4.97 | 788,233 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,494 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,005 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,475 |
| The Only Country ... | 0 | - | 4.91 | 79,704 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,307 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,362 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,247 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,279 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,762 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,239 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,517 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,062 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,251 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,866 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 76,924 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,534 |
| Random Countries by Borders | 0 | - | 4.99 | 81,572 |
| Random Name a Valid Country | 0 | - | 4.99 | 202,974 |
| Regions of Italy | 0 | - | 4.92 | 74,589 |
| States of India | 0 | - | 4.94 | 189,659 |
| Japanese Prefectures | 0 | - | 4.98 | 134,254 |
| Provinces of China | 0 | - | 4.97 | 199,675 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,130 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,829 |
| States of Germany | 0 | - | 4.96 | 149,745 |
| Regions of New Zealand | 0 | - | 4.85 | 28,097 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,050 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,558 |
| Provinces of Turkey | 0 | - | 4.95 | 199,898 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,874 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,967 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,193 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,170 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,889 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,345 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,965 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,384 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,559 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,439 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 377,923 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,309 |
| States of Mexico | 0 | - | 4.95 | 173,003 |
| States of Brazil | 0 | - | 4.98 | 86,179 |
| Departments of France | 0 | - | 4.93 | 52,641 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,758 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,946 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,020 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,935 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,347 |
| Cities Chain #2 | 0 | - | 4.42 | 56,146 |
| Cities Chain #1 | 0 | - | 4.61 | 66,310 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,070 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,848,507 |
| Landlocked Countries | 0 | - | 4.99 | 412,849 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,559 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,244 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,395 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,809 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,508 |
| First Names of Scientists | 0 | - | 4.50 | 56,421 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,286 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,824 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,789 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,490 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,453 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,202 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,880 |
| Counties of Ireland | 0 | - | 4.92 | 192,781 |
| Historical Middle Names | 0 | - | 4.16 | 35,333 |
| People with Food Names | 0 | - | 4.10 | 60,415 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,196 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,500 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,714 |
| Birth Names | 0 | - | 4.30 | 61,417 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,896 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,456 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,835 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,979 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,811 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,267 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,321 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,814 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,972 |
| Island Countries | 0 | - | 4.99 | 707,219 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,219 |
| Himalayan Countries | 0 | - | 4.95 | 135,043 |
| Andean Countries | 0 | - | 4.94 | 82,656 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,077 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,978 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,750 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,457 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,634 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,279 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,190 |
| European Landlocked Countries | 0 | - | 4.99 | 145,663 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,044 |
| Countries with the Most Species | 0 | - | 4.99 | 95,184 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,188 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,173 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,332 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,907 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,862 |
| Countries in the Alps | 0 | - | 4.87 | 116,678 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,464 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,065 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,936 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,318 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,061 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,934 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,466 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,682 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,289 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,964 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,994 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,357 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,670 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,855 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,564 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,199 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,659 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,813 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,351 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,534 |
| Largest Countries By Category | 0 | - | 4.97 | 156,602 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,490 |
| Countries by Countries | 0 | - | 4.96 | 62,160 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 50,347 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,204 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,928 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,931 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,649 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,285 |
| Northernmost Countries | 0 | - | 4.99 | 357,221 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,432 |
| Countries by Milk Production | 0 | - | 4.54 | 43,567 |
| Mountains by Country | 0 | - | 4.64 | 81,522 |
| Islands by Country #2 | 0 | - | 4.80 | 76,935 |
| Countries of South America | 0 | - | 5.00 | 913,310 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,524 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,014 |
| "Land" Countries | 0 | - | 4.98 | 333,407 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,066 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,630 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,625 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,454 |
| Top World Languages | 0 | - | 4.92 | 811,909 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,475 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,211 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,126 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,539 |
| Longest International Borders | 0 | - | 4.99 | 263,359 |
| Countries with Three Borders | 0 | - | 4.96 | 36,129 |
