| Regions of Countries #1 | 0 | - | 4.97 | 158,870 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,236 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,306 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,067 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,578 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,589 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,585,160 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,954 |
| Random Country to Capital | 0 | - | 4.98 | 910,937 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,950 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,562 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,968 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 115,951 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,145 |
| Countries with Four Letters | 0 | - | 4.99 | 418,243 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,704 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,088 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,851 |
| Capital Cities Chain | 0 | - | 4.84 | 81,855 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,919 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,212 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,330 |
| Country Chain | 0 | - | 4.96 | 215,618 |
| Countries by Emojis | 0 | - | 4.99 | 235,952 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,052 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,725 |
| Islands by Country #1 | 0 | - | 4.87 | 174,426 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,598 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,653 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,097 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,197 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,358 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,650 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,261 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,348 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,873 |
| Australian States and Territories | 0 | - | 4.95 | 140,594 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,510 |
| Counties of England | 0 | - | 4.97 | 788,643 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,676 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,078 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,907 |
| The Only Country ... | 0 | - | 4.91 | 79,776 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,356 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,400 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,286 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,299 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,788 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,362 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,645 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,166 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,324 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,190 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,041 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,559 |
| Random Countries by Borders | 0 | - | 4.99 | 81,608 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,099 |
| Regions of Italy | 0 | - | 4.92 | 74,623 |
| States of India | 0 | - | 4.94 | 189,848 |
| Japanese Prefectures | 0 | - | 4.98 | 134,397 |
| Provinces of China | 0 | - | 4.97 | 199,829 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,194 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,865 |
| States of Germany | 0 | - | 4.96 | 149,884 |
| Regions of New Zealand | 0 | - | 4.85 | 28,108 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,078 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,745 |
| Provinces of Turkey | 0 | - | 4.95 | 200,614 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,884 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,987 |
| Boundary Waters | 0 | - | 4.92 | 88,016 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,329 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,212 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,997 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,414 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,089 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,449 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,600 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,590 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,160 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,363 |
| States of Mexico | 0 | - | 4.95 | 173,173 |
| States of Brazil | 0 | - | 4.98 | 86,275 |
| Departments of France | 0 | - | 4.93 | 52,717 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,837 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,045 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,078 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,950 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,384 |
| Cities Chain #2 | 0 | - | 4.42 | 56,154 |
| Cities Chain #1 | 0 | - | 4.61 | 66,325 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,095 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,876,052 |
| Landlocked Countries | 0 | - | 4.99 | 413,129 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,836 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,284 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,483 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,824 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,688 |
| First Names of Scientists | 0 | - | 4.50 | 56,436 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,952 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,859 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,864 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,553 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,071 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,288 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,962 |
| Counties of Ireland | 0 | - | 4.92 | 192,889 |
| Historical Middle Names | 0 | - | 4.16 | 35,356 |
| People with Food Names | 0 | - | 4.10 | 60,442 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,211 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,540 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,717 |
| Birth Names | 0 | - | 4.30 | 61,421 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,125 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,941 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,511 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,878 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,322 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,826 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,466 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,327 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,936 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,262 |
| Island Countries | 0 | - | 4.99 | 707,380 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,371 |
| Himalayan Countries | 0 | - | 4.95 | 135,154 |
| Andean Countries | 0 | - | 4.94 | 82,723 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,144 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,072 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,816 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,510 |
| Danube Countries | 0 | - | 4.97 | 71,027 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,691 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,484 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,351 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,275 |
| European Landlocked Countries | 0 | - | 4.99 | 145,696 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,106 |
| Countries with the Most Species | 0 | - | 4.99 | 95,214 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,256 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,187 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,345 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,925 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,894 |
| Countries in the Alps | 0 | - | 4.87 | 116,739 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,506 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,151 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,967 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,361 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,094 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,955 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,505 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,710 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,823 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,006 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,011 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,701 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,703 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,950 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,590 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,218 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,720 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,986 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,471 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,562 |
| Largest Countries By Category | 0 | - | 4.97 | 156,668 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,512 |
| Countries by Countries | 0 | - | 4.96 | 62,203 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,374 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,290 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,938 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,944 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,699 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,760 |
| Northernmost Countries | 0 | - | 4.99 | 357,422 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,442 |
| Countries by Milk Production | 0 | - | 4.54 | 43,584 |
| Mountains by Country | 0 | - | 4.64 | 81,533 |
| Islands by Country #2 | 0 | - | 4.80 | 76,959 |
| Countries of South America | 0 | - | 5.00 | 913,869 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,232 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,336 |
| "Land" Countries | 0 | - | 4.98 | 333,497 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,079 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,691 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,657 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,469 |
| Top World Languages | 0 | - | 4.92 | 812,397 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,503 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,222 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,247 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,578 |
| Longest International Borders | 0 | - | 4.99 | 263,429 |
| Countries with Three Borders | 0 | - | 4.96 | 36,151 |
