| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,135 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,088 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,724 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,036 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,075 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,380 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,397 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,183 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,860 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,599,004 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,603 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,353 |
| Random Country to Capital | 0 | - | 4.98 | 913,956 |
| Countries by National Anthem | 0 | - | 4.93 | 71,086 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,092,586 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,619 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,011 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,856 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,630 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,548 |
| Countries with Four Letters | 0 | - | 4.99 | 419,786 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,478 |
| 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 | 68,393 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,627 |
| Capital Cities Chain | 0 | - | 4.84 | 82,133 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,240 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,751 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,881 |
| Country Chain | 0 | - | 4.96 | 216,211 |
| Countries by Emojis | 0 | - | 4.99 | 237,455 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,342 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,100 |
| Islands by Country #1 | 0 | - | 4.87 | 174,718 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,098 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,443 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,454 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,606 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,960 |
| Name a Valid Country #1 | 0 | - | 4.99 | 285,788 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,004 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,208 |
| Name a Valid Country #5 | 0 | - | 4.99 | 200,244 |
| Name a Valid Country #6 | 0 | - | 4.94 | 127,626 |
| Name a Valid Country #7 | 0 | - | 4.91 | 127,580 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,016 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 714,640 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,262 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,606 |
| The Only Country ... | 0 | - | 4.91 | 80,287 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,757 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,622 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,618 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,464 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,027 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,060 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,834 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,325 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,490 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,935 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,883 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,915 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,916 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,737 |
| Random Countries by Borders | 0 | - | 4.99 | 81,870 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,789 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,336 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,018 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,404 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,825 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,116 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,443 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,905 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,933 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,636 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,820 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,863 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 135,857 |
| Foods by Country of Origin #1 | 0 | - | 4.42 | 335,563 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,051 |
| Boundary Waters | 0 | - | 4.92 | 88,155 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,912 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,540 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,654 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,033 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,943 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,063 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,590 |
| Cities Chain #2 | 0 | - | 4.42 | 56,222 |
| 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 | 75,059 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,329 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,086,211 |
| Landlocked Countries | 0 | - | 4.99 | 415,694 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 960,805 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,841 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,114 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 558,938 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,919 |
| Name a Country A-Z | 0 | - | 5.00 | 241,348 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,006 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,622 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,307 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,235 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,147 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,401 |
| Cities with the Most Opera Performances | 0 | - | 4.61 | 41,052 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,826 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,048 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,356 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,081 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,443 |
| Himalayan Countries | 0 | - | 4.95 | 136,096 |
| Andean Countries | 0 | - | 4.95 | 83,230 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,549 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,719 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,236 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,876 |
| Danube Countries | 0 | - | 4.97 | 71,291 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,050 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,746 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,501 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,942 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,887 |
| European Landlocked Countries | 0 | - | 4.99 | 146,001 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,590 |
| Countries with the Most Species | 0 | - | 4.99 | 95,366 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,721 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,451 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,089 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,739 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,111 |
| Countries in the Alps | 0 | - | 4.86 | 117,168 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,794 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,664 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,178 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,621 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,425 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,172 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,853 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,919 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,718 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,243 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,289 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,157 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,646 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,909 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,920 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,536 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,820 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,364 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,094 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,460 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,306 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,749 |
| Largest Countries By Category | 0 | - | 4.97 | 157,095 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,626 |
| Countries by Countries | 0 | - | 4.96 | 62,475 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,561 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,735 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,999 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,044 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,390 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,410 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,320 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,994 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,496 |
| Countries by Milk Production | 0 | - | 4.54 | 43,734 |
| Mountains by Country | 0 | - | 4.64 | 81,613 |
| Islands by Country #2 | 0 | - | 4.80 | 77,139 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,568 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,159 |
| Countries that Beat a Random Country | 0 | - | 4.57 | 45,410 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,028 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,927 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,563 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,749 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,300 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,986 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,783 |
| Longest International Borders | 0 | - | 4.99 | 264,169 |
| Countries with Three Borders | 0 | - | 4.96 | 36,307 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,725 |
| Geography of Spain | 0 | - | 4.59 | 22,009 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,137 |
| 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 | 58,828 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 237,689 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,562 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,578 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,109 |
| Fictional Cities | 0 | - | 4.25 | 47,896 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,068 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,601 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 485,471 |