| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,390 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,973 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,452 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,785 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,243 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,939 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,391 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,484 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,686 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,266 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,641 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,662 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,406 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,755 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,830 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,597 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,316 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,838 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,282 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,679 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,408 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,707 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,773 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,987 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,372 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,282 |
| World Coats of Arms | 0 | - | 4.99 | 63,873 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,050 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,629 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,805 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,417 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,818 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,579 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,603 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,712 |
| Countries by Road Signs | 0 | - | 4.98 | 53,107 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,082 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,641 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,812 |
| Merged Countries #2 | 0 | - | 4.96 | 98,494 |
| Merged Countries #6 | 0 | - | 4.91 | 72,725 |
| Merged Countries #7 | 0 | - | 4.92 | 81,976 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,929,935 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,408 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,297 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,901 |
| Every Country Shape | 0 | - | 5.00 | 459,067 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,827 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,397 |
| Flags of North and South America | 0 | - | 4.99 | 367,430 |
| Pixelated World Map | 0 | - | 5.00 | 142,459 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,314 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,973 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,789 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,639 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,705,726 |
| Former Flags | 0 | - | 4.97 | 106,726 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,426 |
| Landlocked Countries | 0 | - | 4.99 | 413,734 |
| World Map without 12 Countries #2 | 0 | - | 4.97 | 171,374 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,048 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,055 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,688 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,832 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,686 |
| Similar Flags #1 | 0 | - | 4.74 | 129,124 |
| Similar Flags #2 | 0 | - | 4.74 | 136,388 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,229 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,060 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,517 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,314 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 162,401 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,486 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,355 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,679 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,293 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,319 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,049 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,582 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,057 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,630 |
| A Square of Merged Countries #1 | 0 | - | 4.87 | 58,977 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,718,008 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,386 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,990 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,402 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,299 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,875 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,286 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,380 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,267 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,628 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,343 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,602 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,556 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,823 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,619 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,228,632 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,544 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,182 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,154 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,906 |
| Island Countries | 0 | - | 4.99 | 707,675 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,644 |
| Himalayan Countries | 0 | - | 4.95 | 135,408 |
| Andean Countries | 0 | - | 4.94 | 82,842 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,234 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,234 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,925 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,623 |
| Danube Countries | 0 | - | 4.97 | 71,094 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,775 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,547 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,512 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,420 |
| European Landlocked Countries | 0 | - | 4.99 | 145,765 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,227 |
| Countries with the Most Species | 0 | - | 4.99 | 95,247 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,367 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,202 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,372 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,964 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,581 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,957 |
| Countries in the Alps | 0 | - | 4.86 | 116,839 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,581 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,276 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,019 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,431 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,183 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,011 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,590 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,769 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,343 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,074 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,048 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,459 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,757 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,762 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,096 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,655 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,846 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,258 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,779 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,357 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,711 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,610 |
| Largest Countries By Category | 0 | - | 4.97 | 156,780 |
| Countries by Countries | 0 | - | 4.96 | 62,269 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,636 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,404 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,584 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,994 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,335 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,118 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,778 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 28,172 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,512 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,034 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,835 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,664 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 94,120 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,288 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,275 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,202 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,342 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,441 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,608 |
| Northernmost Countries | 0 | - | 4.99 | 357,788 |
| Countries of South America | 0 | - | 5.00 | 914,960 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,750 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,779 |
| "Land" Countries | 0 | - | 4.98 | 333,682 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,188 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,177 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,123 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 156,698 |
| All Country Flags of the World | 0 | - | 5.00 | 3,603,471 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 82,947 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,310 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,709 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,325 |
| Countries with Megacities | 0 | - | 4.99 | 247,071 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,194 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,026 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,618 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,934 |
| Countries by Official Language | 0 | - | 4.95 | 192,800 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,161 |
| Countries in their Native Language | 0 | - | 4.99 | 196,662 |
| Independence from Whom | 0 | - | 4.99 | 209,727 |
| Subdivisions by Country | 0 | - | 4.86 | 50,071 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,781 |
| Megadiverse Countries | 0 | - | 4.97 | 133,909 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,818 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,922 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,431 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,864 |
