| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,134 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,084 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,721 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,035 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,073 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,380 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,396 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,181 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,860 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,598,827 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,601 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,290 |
| Random Country to Capital | 0 | - | 4.98 | 913,906 |
| Countries by National Anthem | 0 | - | 4.93 | 71,086 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,092,500 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,596 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,994 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,841 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,622 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,545 |
| Countries with Four Letters | 0 | - | 4.99 | 419,764 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,476 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,005 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,240 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,507 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,379 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,618 |
| Capital Cities Chain | 0 | - | 4.84 | 82,128 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,237 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,734 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,867 |
| Country Chain | 0 | - | 4.96 | 216,198 |
| Countries by Emojis | 0 | - | 4.99 | 237,432 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,340 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,073 |
| Islands by Country #1 | 0 | - | 4.87 | 174,709 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,092 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,442 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,447 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,595 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,924 |
| Name a Valid Country #1 | 0 | - | 4.99 | 285,713 |
| Name a Valid Country #2 | 0 | - | 4.98 | 247,947 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,160 |
| Name a Valid Country #5 | 0 | - | 4.99 | 199,838 |
| Name a Valid Country #6 | 0 | - | 4.94 | 127,583 |
| Name a Valid Country #7 | 0 | - | 4.91 | 127,547 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,988 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 714,601 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,254 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,600 |
| The Only Country ... | 0 | - | 4.91 | 80,280 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,751 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,622 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,614 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,463 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,025 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,056 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,829 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,306 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,469 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,922 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,875 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,900 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,912 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,736 |
| Random Countries by Borders | 0 | - | 4.99 | 81,866 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,774 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,327 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,003 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,375 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,806 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,102 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,434 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,896 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,919 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,627 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,814 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,856 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 135,843 |
| Foods by Country of Origin #1 | 0 | - | 4.42 | 335,549 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,959 |
| Boundary Waters | 0 | - | 4.92 | 88,152 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,909 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,537 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,645 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,029 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,939 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,062 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,587 |
| Cities Chain #2 | 0 | - | 4.42 | 56,221 |
| Cities Chain #1 | 0 | - | 4.61 | 66,434 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,333 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,058 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,322 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,083,108 |
| Landlocked Countries | 0 | - | 4.99 | 415,655 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 959,657 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,837 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,101 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 558,789 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,918 |
| Name a Country A-Z | 0 | - | 5.00 | 241,323 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,992 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,611 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,307 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,231 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,141 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,400 |
| Cities with the Most Opera Performances | 0 | - | 4.61 | 41,046 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,623 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,043 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,355 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,077 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,431 |
| Himalayan Countries | 0 | - | 4.95 | 136,080 |
| Andean Countries | 0 | - | 4.95 | 83,225 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,544 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,708 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,230 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,874 |
| Danube Countries | 0 | - | 4.97 | 71,289 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,046 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,743 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,501 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,930 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,874 |
| European Landlocked Countries | 0 | - | 4.99 | 146,000 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,585 |
| Countries with the Most Species | 0 | - | 4.99 | 95,362 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,710 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,449 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,086 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,738 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,104 |
| Countries in the Alps | 0 | - | 4.86 | 117,165 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,792 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,653 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,176 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,612 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,418 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,166 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,840 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,916 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,717 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,232 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,287 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,155 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,643 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,908 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,916 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,525 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,818 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,363 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,080 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,437 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,291 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,748 |
| Largest Countries By Category | 0 | - | 4.97 | 157,086 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,626 |
| Countries by Countries | 0 | - | 4.96 | 62,471 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,559 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,724 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,997 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,041 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,388 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,394 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,315 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,990 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,493 |
| Countries by Milk Production | 0 | - | 4.54 | 43,730 |
| Mountains by Country | 0 | - | 4.64 | 81,612 |
| Islands by Country #2 | 0 | - | 4.80 | 77,135 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,258 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,157 |
| Countries that Beat a Random Country | 0 | - | 4.57 | 45,409 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,022 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,921 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,561 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,744 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,299 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,982 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,782 |
| Longest International Borders | 0 | - | 4.99 | 264,162 |
| Countries with Three Borders | 0 | - | 4.96 | 36,302 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,723 |
| Geography of Spain | 0 | - | 4.59 | 22,007 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,136 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,811 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,927 |
| Demonym of Every Country | 0 | - | 4.91 | 58,827 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 237,678 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,558 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,577 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,079 |
| Fictional Cities | 0 | - | 4.25 | 47,896 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,067 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,511 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 485,458 |