| Regions of Countries #1 | 0 | - | 4.96 | 159,388 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,731 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,630 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,641 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,516 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,090 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,615,408 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,320 |
| Random Country to Capital | 0 | - | 4.98 | 918,651 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,701 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,955 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,159 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,851 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,213 |
| Countries with Four Letters | 0 | - | 4.99 | 421,639 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,229 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,278 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,373 |
| Capital Cities Chain | 0 | - | 4.83 | 82,523 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,704 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,485 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,706 |
| Country Chain | 0 | - | 4.96 | 216,838 |
| Countries by Emojis | 0 | - | 4.99 | 238,831 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,739 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,930 |
| Islands by Country #1 | 0 | - | 4.88 | 175,120 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,097 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,546 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,767 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,107 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,011 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,410 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,981 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,871 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,233 |
| Australian States and Territories | 0 | - | 4.96 | 141,714 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,512 |
| Counties of England | 0 | - | 4.97 | 795,069 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,795 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,775 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,187 |
| The Only Country ... | 0 | - | 4.91 | 80,810 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,587 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,944 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,959 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,651 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,314 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,591 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,576 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,825 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,574 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,024 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,004 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,997 |
| Random Countries by Borders | 0 | - | 4.99 | 82,294 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,741 |
| Regions of Italy | 0 | - | 4.92 | 75,619 |
| States of India | 0 | - | 4.94 | 192,724 |
| Japanese Prefectures | 0 | - | 4.98 | 136,502 |
| Provinces of China | 0 | - | 4.97 | 203,615 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,684 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,812 |
| States of Germany | 0 | - | 4.96 | 152,005 |
| Regions of New Zealand | 0 | - | 4.85 | 28,463 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,041 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,493 |
| Provinces of Turkey | 0 | - | 4.95 | 203,724 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,265 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,297 |
| Boundary Waters | 0 | - | 4.92 | 88,382 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,088 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,702 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,923 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,749 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,756 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,764 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,355 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,310 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,176 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,362 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,390 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,346 |
| States of Mexico | 0 | - | 4.95 | 175,597 |
| States of Brazil | 0 | - | 4.97 | 87,698 |
| Departments of France | 0 | - | 4.93 | 53,840 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,690 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,375 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,218 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,172 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,815 |
| Cities Chain #2 | 0 | - | 4.42 | 56,326 |
| Cities Chain #1 | 0 | - | 4.61 | 66,582 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,510 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,341,400 |
| Landlocked Countries | 0 | - | 4.99 | 419,059 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 975,190 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,380 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,051 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,163 |
| First Names of Scientists | 0 | - | 4.50 | 56,747 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,306 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,346 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,883 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,796 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,438 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,944 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,377 |
| Counties of Ireland | 0 | - | 4.92 | 194,762 |
| Historical Middle Names | 0 | - | 4.16 | 35,714 |
| People with Food Names | 0 | - | 4.10 | 60,931 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,481 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,199 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,818 |
| Birth Names | 0 | - | 4.30 | 61,731 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,503 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,632 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,687 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,920 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,086 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,089 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,430 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,410 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,634 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,157 |
| Island Countries | 0 | - | 4.99 | 709,806 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,033 |
| Himalayan Countries | 0 | - | 4.94 | 137,468 |
| Andean Countries | 0 | - | 4.95 | 83,962 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,240 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,692 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,850 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,365 |
| Danube Countries | 0 | - | 4.97 | 71,674 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,565 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,066 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,670 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,746 |
| European Landlocked Countries | 0 | - | 4.99 | 146,789 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,147 |
| Countries with the Most Species | 0 | - | 4.99 | 102,922 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,284 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,435 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,592 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,313 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,998 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,371 |
| Countries in the Alps | 0 | - | 4.87 | 117,705 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,146 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,384 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,428 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,003 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,110 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,660 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,293 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,198 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,974 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,560 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,487 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,934 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,194 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,216 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,210 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,070 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,578 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,535 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,435 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,251 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,009 |
| Largest Countries By Category | 0 | - | 4.97 | 157,655 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,772 |
| Countries by Countries | 0 | - | 4.96 | 62,848 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,817 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,228 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,098 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,166 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,475 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,331 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,141 |
| Northernmost Countries | 0 | - | 4.99 | 360,521 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,550 |
| Countries by Milk Production | 0 | - | 4.54 | 43,910 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,315 |
| Mountains by Country | 0 | - | 4.56 | 81,734 |
| Islands by Country #2 | 0 | - | 4.80 | 77,337 |
| Countries of South America | 0 | - | 5.00 | 923,035 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,197 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,652 |
| "Land" Countries | 0 | - | 4.98 | 335,819 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,241 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,530 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,390 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,740 |
| Top World Languages | 0 | - | 4.92 | 820,340 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,233 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,391 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,101 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,083 |
| Longest International Borders | 0 | - | 4.99 | 264,682 |