| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,311 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,576 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,083 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,059 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,017 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,701 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,793 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,333 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,309 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,192 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,331 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,439 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,197 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,900 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,364 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,623 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,010 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,284 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,587 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,797 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,899 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,685 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,357 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,868 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,304 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,044 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,668 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,890 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,489 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,581 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,026 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,174 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,510 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,964 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,433 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,325 |
| Every Country Shape | 0 | - | 5.00 | 463,801 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,355 |
| Flags of North and South America | 0 | - | 4.99 | 371,964 |
| Former Flags | 0 | - | 4.97 | 107,480 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,309 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,291 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,844 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,948 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,276 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,600 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,252 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,893 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,226 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,273 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,316 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,972 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,150 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,510 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,048 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,731 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,081 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,591 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,400 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,543 |
| Flags of Oceania | 0 | - | 5.00 | 258,199 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,930 |
| Countries by Road Signs | 0 | - | 4.98 | 53,648 |
| Similar Flags #1 | 0 | - | 4.75 | 129,781 |
| Similar Flags #2 | 0 | - | 4.74 | 137,088 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,256 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,949 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,206 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,224 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,375 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,946 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,944 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,667 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,567 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,169 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,300 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 30,426 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,299,555 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,306 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.93 | 126,267 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,358 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,792 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,282 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,105 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,924 |
| Merged Countries #2 | 0 | - | 4.96 | 98,906 |
| Merged Countries #6 | 0 | - | 4.90 | 73,138 |
| Merged Countries #7 | 0 | - | 4.93 | 82,453 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,329,885 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,546,017 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,296 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,369 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,733 |
| Pixelated World Map | 0 | - | 5.00 | 143,157 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,664 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,443 |
| World Coats of Arms | 0 | - | 4.99 | 64,347 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,172 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,781 |
| Random Country Shape to Country | 0 | - | 4.90 | 112,820 |
| Landlocked Countries | 0 | - | 4.99 | 418,882 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 86,268 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,879 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 183,685 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,170 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,482 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 521,409 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 336,565 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,715,917 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,500 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,938 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,588 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,068 |
| Island Countries | 0 | - | 4.99 | 709,723 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,974 |
| Himalayan Countries | 0 | - | 4.94 | 137,402 |
| Andean Countries | 0 | - | 4.95 | 83,922 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,219 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,636 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,823 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,343 |
| Danube Countries | 0 | - | 4.97 | 71,652 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,540 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,048 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,636 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,722 |
| European Landlocked Countries | 0 | - | 4.99 | 146,771 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,125 |
| Countries with the Most Species | 0 | - | 4.99 | 102,905 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,260 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,430 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,585 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,298 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,984 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,357 |
| Countries in the Alps | 0 | - | 4.87 | 117,683 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,126 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,356 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,411 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,979 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,087 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,504 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,278 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,181 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,963 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,548 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,474 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,335 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,917 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,183 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,203 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,169 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,058 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,568 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,511 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,339 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,214 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,993 |
| Largest Countries By Category | 0 | - | 4.97 | 157,625 |
| Countries by Countries | 0 | - | 4.96 | 62,832 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,571 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,202 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,158 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,466 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,502 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,645 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,318 |
| Every American Country by Shape | 0 | - | 4.79 | 37,205 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 126,046 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,985 |
| Northernmost Countries | 0 | - | 4.99 | 360,433 |
| Countries of South America | 0 | - | 5.00 | 922,844 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,905 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,157 |
| "Land" Countries | 0 | - | 4.98 | 335,782 |
| Cross Flags of Europe | 0 | - | 4.43 | 298,400 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 75,440 |
| Germany Country Quiz | 0 | - | 4.82 | 157,598 |
| Russia Country Quiz | 0 | - | 4.85 | 114,289 |
| Italy Country Quiz | 0 | - | 4.82 | 123,217 |
| Japan Country Quiz | 0 | - | 4.93 | 142,225 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,474 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,185 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,713 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,011 |
| Countries with Megacities | 0 | - | 4.99 | 259,490 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,871 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,984 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,156 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,986 |
| Countries by Official Language | 0 | - | 4.95 | 194,637 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,511 |
| Countries in their Native Language | 0 | - | 4.99 | 198,175 |
| Independence from Whom | 0 | - | 4.99 | 211,290 |
| Subdivisions by Country | 0 | - | 4.86 | 50,286 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,693 |
| Megadiverse Countries | 0 | - | 4.96 | 134,760 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,537 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,181 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,752 |
