| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,602 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,544 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,213 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,480 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,445 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,674 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,751 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,373 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,102 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,656,875 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,938 |
| Random Country to Capital | 0 | - | 4.98 | 929,258 |
| Countries by National Anthem | 0 | - | 4.92 | 71,424 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,126,864 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,867 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,504 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,679 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,819 |
| Countries with Four Letters | 0 | - | 4.99 | 426,159 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,916 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,143 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,255 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,921 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,225 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,085 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,832 |
| Capital Cities Chain | 0 | - | 4.84 | 83,460 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,652 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,193 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,562 |
| Country Chain | 0 | - | 4.96 | 218,569 |
| Countries by Emojis | 0 | - | 4.99 | 242,671 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,658 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,072 |
| Islands by Country #1 | 0 | - | 4.90 | 176,440 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,308 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,621 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,438 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,323 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,216 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,730 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,421 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,402 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,246 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,470 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,013 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,145 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 744,205 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,420 |
| The Only Country ... | 0 | - | 4.91 | 81,975 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,836 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,779 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,723 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,147 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,989 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,610 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,814 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,397 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,275 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,884 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,224 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,718 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,524 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,594 |
| Random Countries by Borders | 0 | - | 4.99 | 83,157 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,786 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,317 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,191 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,487 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,097 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,086 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,456 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,507 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,824 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,358 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,925 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,458 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,957 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,447 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,194 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,132 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,115 |
| Boundary Waters | 0 | - | 4.92 | 88,807 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,433 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,770 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,441 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,018 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,494 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,454 |
| Cities Chain #2 | 0 | - | 4.42 | 56,533 |
| Cities Chain #1 | 0 | - | 4.61 | 66,843 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,185 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,134 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,157 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,929,824 |
| Landlocked Countries | 0 | - | 4.99 | 426,723 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 983,075 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,764 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,062 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,597 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,506 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,010 |
| Name a Country A-Z | 0 | - | 5.00 | 245,987 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,067 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,119 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,112 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,963 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,463 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,080 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,117 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,374 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,641 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,495 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,359 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,648 |
| Himalayan Countries | 0 | - | 4.93 | 140,582 |
| Andean Countries | 0 | - | 4.94 | 85,670 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,803 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,299 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,358 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,585 |
| Danube Countries | 0 | - | 4.97 | 72,494 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,714 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,914 |
| Songs with Countries in the Title | 0 | - | 3.81 | 44,661 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,316 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,763 |
| European Landlocked Countries | 0 | - | 4.99 | 147,685 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,427 |
| Countries with the Most Species | 0 | - | 4.99 | 103,611 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,546 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,795 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,924 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,889 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,631 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,084 |
| Countries in the Alps | 0 | - | 4.87 | 118,882 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,841 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,026 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,023 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,113 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,056 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,338 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,488 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,938 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,480 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,262 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,927 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,801 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,624 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,865 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,966 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,039 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,673 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,836 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,768 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,016 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,339 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,572 |
| Largest Countries By Category | 0 | - | 4.97 | 158,976 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,091 |
| Countries by Countries | 0 | - | 4.97 | 63,730 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,372 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,355 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,410 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,430 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,691 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,231 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,489 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,174 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,707 |
| Countries by Milk Production | 0 | - | 4.54 | 44,259 |
| Mountains by Country | 0 | - | 4.56 | 82,013 |
| Islands by Country #2 | 0 | - | 4.80 | 77,921 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,730 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,413 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,531 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,538 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,014 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,848 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,640 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,273 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,617 |
| Longest International Borders | 0 | - | 4.99 | 265,911 |
| Countries with Three Borders | 0 | - | 4.96 | 36,807 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,393 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,536 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,198 |
| Demonym of Every Country | 0 | - | 4.90 | 61,567 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,193 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,860 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,553 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,350 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,104 |
| Fictional Cities | 0 | - | 4.26 | 47,993 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,257 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,054 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,043 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,422 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,212 |
