| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,135 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,569 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,113 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,495 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,382 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,837 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,539 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,759 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,769 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,505 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,824 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,911 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,676 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,401 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,326 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,732 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,650 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,930 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,068 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,253 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,090 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,659 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,856 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,504 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,155 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 30,927 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,737 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,366 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,131 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,687 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,448 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,314 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,580 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,520 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,057 |
| Every Country Shape | 0 | - | 5.00 | 459,511 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,067 |
| Flags of North and South America | 0 | - | 4.99 | 368,000 |
| Former Flags | 0 | - | 4.97 | 106,816 |
| Countries by Road Signs | 0 | - | 4.98 | 53,169 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,938 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,979 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,495 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,151 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 294,650 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,415 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 162,735 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,631 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,417 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,737 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,346 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,373 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,092 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,637 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,112 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,690 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,904 |
| Flags of Oceania | 0 | - | 5.00 | 255,658 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,009 |
| Similar Flags #1 | 0 | - | 4.74 | 129,210 |
| Similar Flags #2 | 0 | - | 4.74 | 136,460 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,969,544 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,702 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,397 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,674 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,638 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,881 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,658 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 28,413 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,393 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,053 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,876 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,699 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,619 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,235,874 |
| Landlocked Countries | 0 | - | 4.99 | 414,235 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,905 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,644 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,831 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,537 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,067 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,865 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,696 |
| Merged Countries #2 | 0 | - | 4.96 | 98,522 |
| Merged Countries #6 | 0 | - | 4.91 | 72,768 |
| Merged Countries #7 | 0 | - | 4.92 | 82,018 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,489 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,012 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,472 |
| Pixelated World Map | 0 | - | 5.00 | 142,532 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,406 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,297 |
| World Coats of Arms | 0 | - | 4.99 | 63,938 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,721,906 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,836 |
| Himalayan Countries | 0 | - | 4.95 | 135,563 |
| Andean Countries | 0 | - | 4.94 | 82,944 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,308 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,350 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,011 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,679 |
| Danube Countries | 0 | - | 4.97 | 71,131 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,841 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,599 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,610 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,522 |
| European Landlocked Countries | 0 | - | 4.99 | 145,831 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,299 |
| Countries with the Most Species | 0 | - | 4.99 | 95,280 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,440 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,220 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,389 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,989 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,624 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,001 |
| Countries in the Alps | 0 | - | 4.86 | 116,922 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,637 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,372 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,062 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,475 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,247 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,058 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,662 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,813 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,516 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,114 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,215 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,077 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,496 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,794 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,195 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,706 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,289 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,859 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,610 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,871 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,637 |
| Largest Countries By Category | 0 | - | 4.97 | 156,864 |
| Countries by Countries | 0 | - | 4.96 | 62,322 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,504 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,982 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,349 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,176 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,828 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,537,332 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,861 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,439 |
| Random Country Shape to Country | 0 | - | 4.90 | 111,224 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,766 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,354 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,166 |
| Island Countries | 0 | - | 4.99 | 707,851 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,302 |
| Northernmost Countries | 0 | - | 4.99 | 358,046 |
| Countries of South America | 0 | - | 5.00 | 915,868 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,898 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,496 |
| "Land" Countries | 0 | - | 4.98 | 333,809 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,053 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 85,639 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 182,336 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 182,924 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,905 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 518,821 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 334,478 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,706,824 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,581 |
| Countries with Megacities | 0 | - | 4.99 | 247,484 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,428 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,176 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,838 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,098 |
| Countries by Official Language | 0 | - | 4.95 | 192,905 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,316 |
| Countries in their Native Language | 0 | - | 4.99 | 196,759 |
| Independence from Whom | 0 | - | 4.99 | 209,854 |
| Subdivisions by Country | 0 | - | 4.86 | 50,097 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,876 |
| Megadiverse Countries | 0 | - | 4.97 | 133,955 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,934 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,949 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,459 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,873 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,740 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,042 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,160 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,208 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,244 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,758 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,717 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,451 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,538 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,532 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,724 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,054 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,763 |
| World Map Quiz | 0 | - | 4.81 | 63,621 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,044 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,400 |
