| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,803 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,034 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,087 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,292 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,795 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,514 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,625 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,332 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,522 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,754 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,684 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,674 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,700 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,793 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,571 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,226 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,660 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,794 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,197 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,581 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,921 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,113 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,216 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,073 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,828 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,533 |
| World Coats of Arms | 0 | - | 4.99 | 64,645 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,537 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,009 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,577 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,026 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,521 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,210 |
| 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 | 613,841 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,543,697 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,851 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,255 |
| Landlocked Countries | 0 | - | 4.99 | 421,491 |
| Merged Countries #2 | 0 | - | 4.96 | 99,203 |
| Merged Countries #6 | 0 | - | 4.90 | 73,404 |
| Merged Countries #7 | 0 | - | 4.93 | 82,746 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,798 |
| Pixelated World Map | 0 | - | 5.00 | 143,544 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,778 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,207 |
| Every Country Shape | 0 | - | 5.00 | 466,874 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,200 |
| Flags of North and South America | 0 | - | 4.99 | 373,845 |
| Former Flags | 0 | - | 4.97 | 107,887 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,204 |
| Himalayan Countries | 0 | - | 4.95 | 138,498 |
| Andean Countries | 0 | - | 4.93 | 84,485 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,670 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,660 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,300 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,710 |
| Danube Countries | 0 | - | 4.97 | 71,947 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,940 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,366 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,193 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,661 |
| European Landlocked Countries | 0 | - | 4.99 | 147,073 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,541 |
| Countries with the Most Species | 0 | - | 4.99 | 103,182 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,683 |
| 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 | 73,182 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,603 |
| Countries in the Alps | 0 | - | 4.87 | 118,129 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,742 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,944 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,611 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,549 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,436 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,906 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,610 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,448 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,152 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,798 |
| 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 | 104,174 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,423 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,474 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,773 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,263 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 62,705 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,983 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,692 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,953 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,176 |
| Largest Countries By Category | 0 | - | 4.97 | 158,121 |
| Countries by Countries | 0 | - | 4.96 | 63,139 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,619 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,263 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,551 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,628 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,935 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,177 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,366 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,912 |
| Island Countries | 0 | - | 4.99 | 710,866 |
| Similar Flags #1 | 0 | - | 4.75 | 130,193 |
| Similar Flags #2 | 0 | - | 4.74 | 137,485 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,228 |
| Northernmost Countries | 0 | - | 4.99 | 361,742 |
| Countries of South America | 0 | - | 5.00 | 926,618 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,974 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,683 |
| "Land" Countries | 0 | - | 4.98 | 337,171 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,754 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,844 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,446 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,646 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,579 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,458 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,985 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,304 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,867 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,440 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 37,310 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,639 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,678 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,326 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,448 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,781 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,305 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,993 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,355 |
| All Country Flags of the World | 0 | - | 5.00 | 3,674,390 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,761 |
| Countries with Megacities | 0 | - | 4.99 | 264,245 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,619 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,402 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,886 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,464 |
| Countries by Official Language | 0 | - | 4.95 | 195,157 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,237 |
| Countries in their Native Language | 0 | - | 4.99 | 198,952 |
| Independence from Whom | 0 | - | 4.99 | 211,970 |
| Subdivisions by Country | 0 | - | 4.86 | 50,401 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,641 |
| Megadiverse Countries | 0 | - | 4.96 | 134,971 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,990 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,324 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,078 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,089 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,054 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,567 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,396 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,999 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,620 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,104 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,591 |
| 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 | 136,933 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,323 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,467 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,030 |
| World Map Quiz | 0 | - | 4.81 | 65,024 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,016 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,623 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,339 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,580 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,625 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,702 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,298 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,210 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 31,540 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,995 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,222 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,943 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,081 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,834 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,966 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,260 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,412 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,531 |
| Widest Countries East to West | 0 | - | 4.92 | 129,596 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,437 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,326 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,103 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,732 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,539 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,810 |
| 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 | 96,108 |
| Countries that End in N | 0 | - | 4.95 | 170,993 |
| Countries with Five Letters | 0 | - | 4.96 | 282,199 |
| Countries with Six Letters | 0 | - | 4.94 | 213,423 |
| Countries with W | 0 | - | 4.97 | 160,230 |
| Countries with Z | 0 | - | 4.98 | 291,299 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,590 |
| Countries That End in U | 0 | - | 4.95 | 120,787 |