| Regions of Countries #1 | 0 | - | 4.97 | 158,924 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,287 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,335 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,099 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,679 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,634 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,119 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,007 |
| Random Country to Capital | 0 | - | 4.98 | 911,638 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,060 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,781 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,177 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,120 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,238 |
| Countries with Four Letters | 0 | - | 4.99 | 418,544 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,847 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,198 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,907 |
| Capital Cities Chain | 0 | - | 4.84 | 81,920 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,002 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,327 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,438 |
| Country Chain | 0 | - | 4.96 | 215,730 |
| Countries by Emojis | 0 | - | 4.99 | 236,190 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,109 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,022 |
| Islands by Country #1 | 0 | - | 4.87 | 174,488 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,820 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,821 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,529 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,410 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,585 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,806 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,409 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,495 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,026 |
| Australian States and Territories | 0 | - | 4.96 | 140,912 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,945 |
| Counties of England | 0 | - | 4.97 | 789,218 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,907 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,161 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,546 |
| The Only Country ... | 0 | - | 4.91 | 79,886 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,448 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,453 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,346 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,340 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,855 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,580 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,840 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,335 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,445 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,090 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,223 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,605 |
| Random Countries by Borders | 0 | - | 4.99 | 81,678 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,224 |
| Regions of Italy | 0 | - | 4.92 | 74,730 |
| States of India | 0 | - | 4.94 | 190,069 |
| Japanese Prefectures | 0 | - | 4.98 | 134,595 |
| Provinces of China | 0 | - | 4.97 | 200,152 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,357 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,913 |
| States of Germany | 0 | - | 4.96 | 150,064 |
| Regions of New Zealand | 0 | - | 4.85 | 28,141 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,197 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,012 |
| Provinces of Turkey | 0 | - | 4.95 | 201,033 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,921 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,005 |
| Boundary Waters | 0 | - | 4.92 | 88,045 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,817 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,554 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,288 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,179 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,521 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,226 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,533 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,663 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,823 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,573 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,468 |
| States of Mexico | 0 | - | 4.95 | 173,356 |
| States of Brazil | 0 | - | 4.98 | 86,391 |
| Departments of France | 0 | - | 4.93 | 52,830 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,971 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,225 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,168 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,975 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,429 |
| Cities Chain #2 | 0 | - | 4.42 | 56,169 |
| Cities Chain #1 | 0 | - | 4.61 | 66,347 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,126 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,920,892 |
| Landlocked Countries | 0 | - | 4.99 | 413,638 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,261 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,428 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,022 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,842 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,039 |
| First Names of Scientists | 0 | - | 4.50 | 56,461 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,550 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,909 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,982 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,690 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,928 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,405 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,102 |
| Counties of Ireland | 0 | - | 4.92 | 193,085 |
| Historical Middle Names | 0 | - | 4.16 | 35,387 |
| People with Food Names | 0 | - | 4.10 | 60,489 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,240 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,601 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,721 |
| Birth Names | 0 | - | 4.30 | 61,423 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,999 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,627 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,988 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,954 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,137 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,683 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,335 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,118 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,852 |
| Island Countries | 0 | - | 4.99 | 707,630 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,596 |
| Himalayan Countries | 0 | - | 4.95 | 135,355 |
| Andean Countries | 0 | - | 4.94 | 82,827 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,213 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,214 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,901 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,610 |
| Danube Countries | 0 | - | 4.97 | 71,080 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,768 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,539 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,485 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,402 |
| European Landlocked Countries | 0 | - | 4.99 | 145,753 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,215 |
| Countries with the Most Species | 0 | - | 4.99 | 95,241 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,345 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,370 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,958 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,576 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,822 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,565 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,256 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,012 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,422 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,161 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,003 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,580 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,755 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,295 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,058 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,195 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,042 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,453 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,747 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,753 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,063 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,645 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,254 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,772 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,305 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,674 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,601 |
| Largest Countries By Category | 0 | - | 4.97 | 156,758 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,538 |
| Countries by Countries | 0 | - | 4.96 | 62,255 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,421 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,385 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,952 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,332 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,766 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,455 |
| Northernmost Countries | 0 | - | 4.99 | 357,728 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,459 |
| Countries by Milk Production | 0 | - | 4.54 | 43,621 |
| Mountains by Country | 0 | - | 4.64 | 81,545 |
| Islands by Country #2 | 0 | - | 4.80 | 76,994 |
| Countries of South America | 0 | - | 5.00 | 914,760 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,459 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,355 |
| "Land" Countries | 0 | - | 4.98 | 333,657 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,095 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,753 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,713 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,485 |
| Top World Languages | 0 | - | 4.92 | 813,168 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,559 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,234 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,416 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,618 |
| Longest International Borders | 0 | - | 4.99 | 263,544 |
| Countries with Three Borders | 0 | - | 4.96 | 36,180 |
