| Regions of Countries #1 | 0 | - | 4.97 | 158,918 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,282 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,331 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,096 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,673 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,630 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,848 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,936 |
| Random Country to Capital | 0 | - | 4.98 | 911,572 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,938 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,761 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,157 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,108 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,226 |
| Countries with Four Letters | 0 | - | 4.99 | 418,516 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,834 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,189 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,895 |
| Capital Cities Chain | 0 | - | 4.84 | 81,915 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,992 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,317 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,432 |
| Country Chain | 0 | - | 4.96 | 215,721 |
| Countries by Emojis | 0 | - | 4.99 | 236,164 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,106 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,005 |
| Islands by Country #1 | 0 | - | 4.87 | 174,482 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,798 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,802 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,478 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,386 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,565 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,789 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,396 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,481 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,017 |
| Australian States and Territories | 0 | - | 4.95 | 140,846 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,900 |
| Counties of England | 0 | - | 4.97 | 789,185 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,881 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,152 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,461 |
| The Only Country ... | 0 | - | 4.91 | 79,876 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,437 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,448 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,336 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,848 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,567 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,816 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,323 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,434 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,044 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,212 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,596 |
| Random Countries by Borders | 0 | - | 4.99 | 81,672 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,215 |
| Regions of Italy | 0 | - | 4.92 | 74,725 |
| States of India | 0 | - | 4.94 | 190,033 |
| Japanese Prefectures | 0 | - | 4.98 | 134,570 |
| Provinces of China | 0 | - | 4.97 | 200,118 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,342 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,908 |
| States of Germany | 0 | - | 4.96 | 150,046 |
| Regions of New Zealand | 0 | - | 4.85 | 28,140 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,162 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,992 |
| Provinces of Turkey | 0 | - | 4.95 | 201,019 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,916 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,001 |
| Boundary Waters | 0 | - | 4.92 | 88,040 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,814 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,532 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,279 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,165 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,508 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,210 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,525 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,657 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,803 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,549 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,455 |
| States of Mexico | 0 | - | 4.95 | 173,336 |
| States of Brazil | 0 | - | 4.98 | 86,383 |
| Departments of France | 0 | - | 4.93 | 52,824 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,962 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,204 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,151 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,973 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,426 |
| Cities Chain #2 | 0 | - | 4.42 | 56,168 |
| Cities Chain #1 | 0 | - | 4.61 | 66,347 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,119 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,916,121 |
| Landlocked Countries | 0 | - | 4.99 | 413,559 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,203 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,421 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,948 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,841 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,988 |
| First Names of Scientists | 0 | - | 4.50 | 56,457 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,142 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,906 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,974 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,677 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,242 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,390 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,096 |
| Counties of Ireland | 0 | - | 4.92 | 193,071 |
| Historical Middle Names | 0 | - | 4.16 | 35,383 |
| People with Food Names | 0 | - | 4.10 | 60,483 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,237 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,598 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,721 |
| Birth Names | 0 | - | 4.30 | 61,423 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,160 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,996 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,607 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,976 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,873 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,992 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,672 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,334 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,100 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,824 |
| Island Countries | 0 | - | 4.99 | 707,599 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,567 |
| Himalayan Countries | 0 | - | 4.95 | 135,336 |
| Andean Countries | 0 | - | 4.94 | 82,816 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,206 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,195 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,888 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,596 |
| Danube Countries | 0 | - | 4.97 | 71,073 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,754 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,531 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,462 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,381 |
| European Landlocked Countries | 0 | - | 4.99 | 145,745 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,198 |
| Countries with the Most Species | 0 | - | 4.99 | 95,238 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,331 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,367 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,955 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,571 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,949 |
| Countries in the Alps | 0 | - | 4.86 | 116,817 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,557 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,248 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,000 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,155 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,997 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,571 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,744 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,270 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,045 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,449 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,737 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,748 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,053 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,635 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,765 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,260 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,664 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,599 |
| Largest Countries By Category | 0 | - | 4.97 | 156,749 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,536 |
| Countries by Countries | 0 | - | 4.96 | 62,251 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,415 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,376 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,952 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,961 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,330 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,760 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,393 |
| Northernmost Countries | 0 | - | 4.99 | 357,698 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,458 |
| Countries by Milk Production | 0 | - | 4.54 | 43,618 |
| Mountains by Country | 0 | - | 4.64 | 81,544 |
| Islands by Country #2 | 0 | - | 4.80 | 76,990 |
| Countries of South America | 0 | - | 5.00 | 914,623 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,349 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,151 |
| "Land" Countries | 0 | - | 4.98 | 333,637 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,093 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,746 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,711 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,485 |
| Top World Languages | 0 | - | 4.92 | 813,103 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,547 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,229 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,400 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,618 |
| Longest International Borders | 0 | - | 4.99 | 263,540 |
| Countries with Three Borders | 0 | - | 4.96 | 36,179 |
