| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,007 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,995 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,622 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,949 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,988 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,333 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,332 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,159 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,811 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,467 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,147 |
| Random Country to Capital | 0 | - | 4.98 | 911,701 |
| Countries by National Anthem | 0 | - | 4.93 | 71,032 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,162 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,809 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,195 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,143 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,253 |
| Countries with Four Letters | 0 | - | 4.99 | 418,569 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,401 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,980 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,200 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,473 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,862 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,210 |
| Cities with the Most Opera Performances | 0 | - | 4.63 | 39,160 |
| Capital Cities Chain | 0 | - | 4.84 | 81,929 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,007 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,337 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,448 |
| Country Chain | 0 | - | 4.96 | 215,748 |
| Countries by Emojis | 0 | - | 4.99 | 236,214 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,122 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,056 |
| Islands by Country #1 | 0 | - | 4.87 | 174,496 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,930 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,290 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,342 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,833 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,840 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,582 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,435 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,609 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,820 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,427 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,510 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,037 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,615 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,104 |
| The Only Country ... | 0 | - | 4.91 | 79,901 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,458 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,462 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,354 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,343 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,858 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,687 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,638 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,604 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,868 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,361 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,470 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,143 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,244 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,608 |
| Random Countries by Borders | 0 | - | 4.99 | 81,683 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,243 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,065 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,354 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,600 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,584 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,197 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,735 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,107 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,577 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,539 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,281 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,541 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,674 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,369 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,836 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,041 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,247 |
| Boundary Waters | 0 | - | 4.92 | 88,047 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,297 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,313 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,850 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,984 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,433 |
| Cities Chain #2 | 0 | - | 4.42 | 56,170 |
| Cities Chain #1 | 0 | - | 4.61 | 66,348 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,128 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,915 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,997 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,925,774 |
| Landlocked Countries | 0 | - | 4.99 | 413,690 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,287 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,451 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,870 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,708 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,845 |
| Name a Country A-Z | 0 | - | 5.00 | 240,458 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,417 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,129 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,520 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,164 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,009 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,640 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,019 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,091 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,698 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,335 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,913 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,619 |
| Himalayan Countries | 0 | - | 4.95 | 135,385 |
| Andean Countries | 0 | - | 4.94 | 82,835 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,226 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,226 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,914 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,618 |
| Danube Countries | 0 | - | 4.97 | 71,090 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,770 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,541 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,464 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,497 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,413 |
| European Landlocked Countries | 0 | - | 4.99 | 145,760 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,221 |
| Countries with the Most Species | 0 | - | 4.99 | 95,245 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,356 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,832 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,577 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,268 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,428 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,175 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,009 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,585 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,761 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,316 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,067 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,046 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,455 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,758 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,081 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,652 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,331 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,691 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,607 |
| Largest Countries By Category | 0 | - | 4.97 | 156,771 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,542 |
| Countries by Countries | 0 | - | 4.96 | 62,263 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,429 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,396 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,953 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,333 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,694 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,110 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,775 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,459 |
| Countries by Milk Production | 0 | - | 4.54 | 43,624 |
| Mountains by Country | 0 | - | 4.64 | 81,546 |
| Islands by Country #2 | 0 | - | 4.80 | 76,996 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,485 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,097 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,764 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,719 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,488 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,564 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,240 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,432 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,624 |
| Longest International Borders | 0 | - | 4.99 | 263,548 |
| Countries with Three Borders | 0 | - | 4.96 | 36,181 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,602 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,676 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,863 |
| Demonym of Every Country | 0 | - | 4.91 | 58,646 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,447 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 267,932 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,377 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,422 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,082 |
| Fictional Cities | 0 | - | 4.25 | 47,875 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,030 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,300 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,447 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,089 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,768 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,966 |
