| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,006 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,993 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,620 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,947 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,988 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,332 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,330 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,158 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,809 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,259 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,063 |
| Random Country to Capital | 0 | - | 4.98 | 911,666 |
| Countries by National Anthem | 0 | - | 4.93 | 71,030 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,102 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,792 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,183 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,130 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,241 |
| Countries with Four Letters | 0 | - | 4.99 | 418,548 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,399 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,980 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,198 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,471 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,855 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,201 |
| Cities with the Most Opera Performances | 0 | - | 4.63 | 38,967 |
| 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 | 198,329 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,442 |
| Country Chain | 0 | - | 4.96 | 215,739 |
| Countries by Emojis | 0 | - | 4.99 | 236,199 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,117 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,039 |
| Islands by Country #1 | 0 | - | 4.87 | 174,492 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,926 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,289 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,339 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,822 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,832 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,549 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,425 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,598 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,814 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,418 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,505 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,032 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,584 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,101 |
| The Only Country ... | 0 | - | 4.91 | 79,892 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,448 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,458 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,351 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,340 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,856 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,681 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,635 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,595 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,857 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,347 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,454 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,125 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,230 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,606 |
| Random Countries by Borders | 0 | - | 4.99 | 81,680 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,228 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,064 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,354 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,581 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,569 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,186 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,732 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,101 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,574 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,531 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,238 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,536 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,666 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,365 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,829 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,033 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,234 |
| Boundary Waters | 0 | - | 4.92 | 88,045 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,291 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,307 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,845 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,978 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,430 |
| 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 | 40,127 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,912 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,983 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,922,871 |
| Landlocked Countries | 0 | - | 4.99 | 413,655 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,266 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,441 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,870 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,698 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,842 |
| Name a Country A-Z | 0 | - | 5.00 | 240,446 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,411 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,113 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,517 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,005 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,634 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,003 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,814 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,690 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,335 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,908 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,604 |
| Himalayan Countries | 0 | - | 4.95 | 135,371 |
| Andean Countries | 0 | - | 4.94 | 82,830 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,221 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,219 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,907 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,613 |
| Danube Countries | 0 | - | 4.97 | 71,082 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,539 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,464 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,492 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,408 |
| European Landlocked Countries | 0 | - | 4.99 | 145,757 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,218 |
| Countries with the Most Species | 0 | - | 4.99 | 95,242 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,352 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,199 |
| 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 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,826 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,569 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,259 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,014 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,424 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,166 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,004 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,582 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,302 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,061 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,196 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,045 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,751 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,755 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,071 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,649 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,254 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,318 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,681 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,604 |
| Largest Countries By Category | 0 | - | 4.97 | 156,763 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,539 |
| Countries by Countries | 0 | - | 4.96 | 62,257 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,425 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,389 |
| 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 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,688 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,102 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,771 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,459 |
| Countries by Milk Production | 0 | - | 4.54 | 43,622 |
| Mountains by Country | 0 | - | 4.64 | 81,545 |
| Islands by Country #2 | 0 | - | 4.80 | 76,995 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,136 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,097 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,760 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,714 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,487 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,560 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,237 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,423 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,621 |
| Longest International Borders | 0 | - | 4.99 | 263,546 |
| Countries with Three Borders | 0 | - | 4.96 | 36,180 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,601 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,674 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,861 |
| Demonym of Every Country | 0 | - | 4.91 | 58,644 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,436 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 267,925 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,371 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,418 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,999 |
| Fictional Cities | 0 | - | 4.25 | 47,875 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,028 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,193 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,429 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,088 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,766 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,964 |