| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,801 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,034 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,082 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,285 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,792 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,512 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,620 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,328 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,515 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,750 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,677 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,670 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,697 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,790 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,569 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,223 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,658 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,793 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,197 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,578 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,918 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,110 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,214 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,071 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,827 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,533 |
| World Coats of Arms | 0 | - | 4.99 | 64,644 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,536 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,009 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,573 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,026 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,520 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,208 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,294 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,976 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,815 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,541,987 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,845 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,254 |
| Landlocked Countries | 0 | - | 4.99 | 421,472 |
| Merged Countries #2 | 0 | - | 4.96 | 99,199 |
| Merged Countries #6 | 0 | - | 4.90 | 73,397 |
| Merged Countries #7 | 0 | - | 4.93 | 82,742 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,794 |
| Pixelated World Map | 0 | - | 5.00 | 143,543 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,772 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,203 |
| Every Country Shape | 0 | - | 5.00 | 466,848 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,022 |
| Flags of North and South America | 0 | - | 4.99 | 373,837 |
| Former Flags | 0 | - | 4.97 | 107,885 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,196 |
| Himalayan Countries | 0 | - | 4.95 | 138,489 |
| Andean Countries | 0 | - | 4.93 | 84,478 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,666 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,650 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,298 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,700 |
| Danube Countries | 0 | - | 4.97 | 71,945 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,939 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,364 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,191 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,653 |
| European Landlocked Countries | 0 | - | 4.99 | 147,072 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,537 |
| Countries with the Most Species | 0 | - | 4.99 | 103,180 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,681 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,554 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,696 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,503 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,181 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,602 |
| Countries in the Alps | 0 | - | 4.87 | 118,123 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,733 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,940 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,607 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,547 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,432 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,905 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,606 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,447 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,148 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,797 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,619 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,485 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,171 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,422 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,471 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,767 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,262 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 62,628 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,981 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,679 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,944 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,176 |
| Largest Countries By Category | 0 | - | 4.97 | 158,116 |
| Countries by Countries | 0 | - | 4.96 | 63,138 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,614 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,260 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,550 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,624 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,932 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,149 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,364 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,903 |
| Island Countries | 0 | - | 4.99 | 710,856 |
| Similar Flags #1 | 0 | - | 4.75 | 130,189 |
| Similar Flags #2 | 0 | - | 4.74 | 137,482 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,195 |
| Northernmost Countries | 0 | - | 4.99 | 361,735 |
| Countries of South America | 0 | - | 5.00 | 926,600 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,945 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,625 |
| "Land" Countries | 0 | - | 4.98 | 337,167 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,721 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,843 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,440 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,640 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,574 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,401 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,985 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,301 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,864 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,435 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 37,301 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,637 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,676 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,324 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,447 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,779 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,303 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,992 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,353 |
| All Country Flags of the World | 0 | - | 5.00 | 3,674,223 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,756 |
| Countries with Megacities | 0 | - | 4.99 | 264,234 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,615 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,399 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,878 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,460 |
| Countries by Official Language | 0 | - | 4.95 | 195,153 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,231 |
| Countries in their Native Language | 0 | - | 4.99 | 198,946 |
| Independence from Whom | 0 | - | 4.99 | 211,964 |
| Subdivisions by Country | 0 | - | 4.86 | 50,401 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,638 |
| Megadiverse Countries | 0 | - | 4.96 | 134,969 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,988 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,322 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,050 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,089 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,052 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,564 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,394 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,999 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,617 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,099 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,583 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,847 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,172 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,932 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,322 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,466 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,026 |
| World Map Quiz | 0 | - | 4.81 | 65,021 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,998 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,620 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,336 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,577 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,618 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,699 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,298 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,206 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 31,531 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,995 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,221 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,941 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,073 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,832 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,964 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,260 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,411 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,529 |
| Widest Countries East to West | 0 | - | 4.92 | 129,595 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,437 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,325 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,102 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,730 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,538 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,805 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,353 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,790 |
| Countries with Double Letters | 0 | - | 4.96 | 96,103 |
| Countries that End in N | 0 | - | 4.95 | 170,992 |
| Countries with Five Letters | 0 | - | 4.96 | 282,187 |
| Countries with Six Letters | 0 | - | 4.94 | 213,422 |
| Countries with W | 0 | - | 4.97 | 160,228 |
| Countries with Z | 0 | - | 4.98 | 291,295 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,585 |
| Countries That End in U | 0 | - | 4.95 | 120,784 |
