| Regions of Countries #1 | 0 | - | 4.97 | 158,910 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,272 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,329 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,089 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,667 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,621 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,452 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,838 |
| Random Country to Capital | 0 | - | 4.98 | 911,520 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,825 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,745 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,133 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,091 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,215 |
| Countries with Four Letters | 0 | - | 4.99 | 418,484 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,822 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,174 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,891 |
| Capital Cities Chain | 0 | - | 4.84 | 81,910 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,986 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,300 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,423 |
| Country Chain | 0 | - | 4.96 | 215,710 |
| Countries by Emojis | 0 | - | 4.99 | 236,142 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,097 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,972 |
| Islands by Country #1 | 0 | - | 4.87 | 174,471 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,769 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,786 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,443 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,367 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,546 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,775 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,376 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,463 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,000 |
| Australian States and Territories | 0 | - | 4.95 | 140,789 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,861 |
| Counties of England | 0 | - | 4.97 | 789,108 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,859 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,148 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,409 |
| The Only Country ... | 0 | - | 4.91 | 79,867 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,430 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,442 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,333 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,332 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,843 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,543 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,790 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,305 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,423 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,015 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,194 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,592 |
| Random Countries by Borders | 0 | - | 4.99 | 81,661 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,193 |
| Regions of Italy | 0 | - | 4.92 | 74,696 |
| States of India | 0 | - | 4.94 | 190,024 |
| Japanese Prefectures | 0 | - | 4.98 | 134,546 |
| Provinces of China | 0 | - | 4.97 | 200,091 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,319 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,904 |
| States of Germany | 0 | - | 4.96 | 150,024 |
| Regions of New Zealand | 0 | - | 4.85 | 28,127 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,957 |
| Provinces of Turkey | 0 | - | 4.95 | 200,981 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,910 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,999 |
| Boundary Waters | 0 | - | 4.92 | 88,036 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,810 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,506 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,271 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,151 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,500 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,176 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,521 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,653 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,790 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,513 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,438 |
| States of Mexico | 0 | - | 4.95 | 173,323 |
| States of Brazil | 0 | - | 4.98 | 86,376 |
| Departments of France | 0 | - | 4.93 | 52,800 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,954 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,191 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,140 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,970 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,423 |
| Cities Chain #2 | 0 | - | 4.42 | 56,165 |
| Cities Chain #1 | 0 | - | 4.61 | 66,343 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,116 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,911,331 |
| Landlocked Countries | 0 | - | 4.99 | 413,503 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,142 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,397 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,856 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,838 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,922 |
| First Names of Scientists | 0 | - | 4.50 | 56,453 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,758 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,900 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,957 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,670 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,780 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,380 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,079 |
| Counties of Ireland | 0 | - | 4.92 | 193,048 |
| Historical Middle Names | 0 | - | 4.16 | 35,381 |
| People with Food Names | 0 | - | 4.10 | 60,477 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,234 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,591 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,720 |
| Birth Names | 0 | - | 4.30 | 61,422 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,156 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,990 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,602 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,964 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,774 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,841 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,660 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,334 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,085 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,794 |
| Island Countries | 0 | - | 4.99 | 707,577 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,544 |
| Himalayan Countries | 0 | - | 4.95 | 135,322 |
| Andean Countries | 0 | - | 4.94 | 82,805 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,204 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,171 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,879 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,585 |
| Danube Countries | 0 | - | 4.97 | 71,068 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,746 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,527 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,449 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,370 |
| European Landlocked Countries | 0 | - | 4.99 | 145,742 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,186 |
| Countries with the Most Species | 0 | - | 4.99 | 95,235 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,322 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,365 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,951 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,569 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,943 |
| Countries in the Alps | 0 | - | 4.86 | 116,803 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,549 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,240 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,996 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,409 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,147 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,992 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,559 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,743 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,233 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,040 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,038 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,445 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,731 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,743 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,038 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,631 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,759 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,229 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,649 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,597 |
| Largest Countries By Category | 0 | - | 4.97 | 156,742 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,530 |
| Countries by Countries | 0 | - | 4.96 | 62,249 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,412 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,368 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,950 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,960 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,329 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,757 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,334 |
| Northernmost Countries | 0 | - | 4.99 | 357,672 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,458 |
| Countries by Milk Production | 0 | - | 4.54 | 43,615 |
| Mountains by Country | 0 | - | 4.64 | 81,544 |
| Islands by Country #2 | 0 | - | 4.80 | 76,984 |
| Countries of South America | 0 | - | 5.00 | 914,537 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,233 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,992 |
| "Land" Countries | 0 | - | 4.98 | 333,621 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,092 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,736 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,701 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,484 |
| Top World Languages | 0 | - | 4.92 | 813,025 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,543 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,227 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,386 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,614 |
| Longest International Borders | 0 | - | 4.99 | 263,532 |
| Countries with Three Borders | 0 | - | 4.96 | 36,177 |
