| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,123 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,317 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,823 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,525 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,652 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,361 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,549 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,769 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,705 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,695 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,720 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,813 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,597 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,240 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,683 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,805 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,206 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,591 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,935 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,128 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,230 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,086 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,546 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,016 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,590 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,467 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,005 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,037 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,058 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,868 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,266 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,217 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,298 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,848 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,853 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,245 |
| Every Country Shape | 0 | - | 5.00 | 467,065 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,628 |
| Flags of North and South America | 0 | - | 4.99 | 373,954 |
| Former Flags | 0 | - | 4.97 | 107,912 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,555 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,488 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,694 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,613 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,799 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,334 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,893 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,462 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 37,471 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,653 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,687 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,341 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,462 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,791 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,315 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,001 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,370 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,902 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 59,696 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,962 |
| Flags of Oceania | 0 | - | 5.00 | 260,214 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,600 |
| Countries by Road Signs | 0 | - | 4.98 | 53,983 |
| Similar Flags #1 | 0 | - | 4.75 | 130,211 |
| Similar Flags #2 | 0 | - | 4.74 | 137,499 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,634 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,353 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,595 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,644 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,716 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,223 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,288 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,103 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 43,001 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,464 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,743 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 31,693 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,340,287 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,564 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,705 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,581 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,976 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,464 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,278 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 42,088 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.88 | 53,555 |
| Merged Countries #2 | 0 | - | 4.96 | 99,226 |
| Merged Countries #6 | 0 | - | 4.90 | 73,430 |
| Merged Countries #7 | 0 | - | 4.93 | 82,770 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,555,515 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,551,389 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,117 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,817 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,047 |
| Pixelated World Map | 0 | - | 5.00 | 143,572 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,839 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,537 |
| World Coats of Arms | 0 | - | 4.99 | 64,653 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,386 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,027 |
| Random Country Shape to Country | 0 | - | 4.90 | 114,064 |
| Landlocked Countries | 0 | - | 4.99 | 421,625 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,098 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,870 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 184,594 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,754 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,140 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 523,158 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 337,965 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,721,492 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,912 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,290 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,413 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,980 |
| Island Countries | 0 | - | 4.99 | 710,910 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,269 |
| Himalayan Countries | 0 | - | 4.95 | 138,567 |
| Andean Countries | 0 | - | 4.93 | 84,518 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,702 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,699 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,731 |
| Danube Countries | 0 | - | 4.97 | 71,961 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,963 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,381 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,222 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,702 |
| European Landlocked Countries | 0 | - | 4.99 | 147,088 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,568 |
| Countries with the Most Species | 0 | - | 4.99 | 103,199 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,699 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,568 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,704 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,516 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,195 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,618 |
| Countries in the Alps | 0 | - | 4.87 | 118,148 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,867 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,975 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,620 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,456 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,921 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,460 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,156 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,811 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,631 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,493 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,184 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,434 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,485 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,814 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,280 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,184 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,008 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,748 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,997 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,191 |
| Largest Countries By Category | 0 | - | 4.97 | 158,147 |
| Countries by Countries | 0 | - | 4.96 | 63,156 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,802 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,637 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,472 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,955 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,640 |
| Every American Country by Shape | 0 | - | 4.79 | 37,284 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 126,536 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,414 |
| Northernmost Countries | 0 | - | 4.99 | 361,798 |
| Countries of South America | 0 | - | 5.00 | 926,798 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,233 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,183 |
| "Land" Countries | 0 | - | 4.98 | 337,233 |
| Cross Flags of Europe | 0 | - | 4.43 | 299,248 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 75,859 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,612 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,836 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,791 |
| Countries with Megacities | 0 | - | 4.99 | 264,353 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,651 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,418 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,918 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,486 |
| Countries by Official Language | 0 | - | 4.95 | 195,186 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,273 |
| Countries in their Native Language | 0 | - | 4.99 | 198,978 |
| Independence from Whom | 0 | - | 4.99 | 211,998 |
| Subdivisions by Country | 0 | - | 4.86 | 50,418 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,666 |
| Megadiverse Countries | 0 | - | 4.96 | 134,981 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,022 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,331 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,213 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,093 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,072 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,575 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,413 |