| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,187 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,845 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,056 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,188 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,376 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,880 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,559 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,719 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,423 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,615 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,810 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,739 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,734 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,754 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,846 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,642 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,277 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,708 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,828 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,221 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,626 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,971 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,166 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,267 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,131 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,858 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,545 |
| World Coats of Arms | 0 | - | 4.99 | 64,688 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,562 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,022 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,617 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,051 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,254 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,875 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,410 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,578,781 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,902 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,294 |
| Landlocked Countries | 0 | - | 4.99 | 421,921 |
| Merged Countries #2 | 0 | - | 4.96 | 99,251 |
| Merged Countries #6 | 0 | - | 4.90 | 73,464 |
| Merged Countries #7 | 0 | - | 4.93 | 82,799 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,936 |
| Pixelated World Map | 0 | - | 5.00 | 143,614 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,979 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,329 |
| Every Country Shape | 0 | - | 5.00 | 467,294 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,258 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,108 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,532 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,100 |
| Flags of North and South America | 0 | - | 4.99 | 374,171 |
| Former Flags | 0 | - | 4.97 | 107,952 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,409 |
| Himalayan Countries | 0 | - | 4.94 | 138,692 |
| Andean Countries | 0 | - | 4.93 | 84,592 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,787 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,796 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,410 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,797 |
| Danube Countries | 0 | - | 4.97 | 72,001 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,008 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,420 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,293 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,773 |
| European Landlocked Countries | 0 | - | 4.99 | 147,138 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,630 |
| Countries with the Most Species | 0 | - | 4.99 | 103,242 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,754 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,590 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,721 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,539 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,222 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,656 |
| Countries in the Alps | 0 | - | 4.87 | 118,196 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,084 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,026 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,639 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,593 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,504 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,945 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,669 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,487 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,176 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,840 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,650 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,521 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,218 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,463 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,516 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,894 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,304 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,720 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,064 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,905 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,084 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,224 |
| Largest Countries By Category | 0 | - | 4.97 | 158,200 |
| Countries by Countries | 0 | - | 4.96 | 63,219 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,676 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,284 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,565 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,673 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,018 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,538 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,486 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,179 |
| Island Countries | 0 | - | 4.99 | 711,028 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,549 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,244 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,326 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,992 |
| Similar Flags #1 | 0 | - | 4.75 | 130,249 |
| Similar Flags #2 | 0 | - | 4.74 | 137,538 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,572 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,799 |
| Northernmost Countries | 0 | - | 4.99 | 361,941 |
| Countries of South America | 0 | - | 5.00 | 927,274 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,762 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,113 |
| "Land" Countries | 0 | - | 4.98 | 337,319 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,504 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,756 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,662 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,564 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,037 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,396 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,960 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,515 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 38,327 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 32,359 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,698 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,722 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,382 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,498 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,820 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,336 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,027 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,399 |
| All Country Flags of the World | 0 | - | 5.00 | 3,678,442 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,874 |
| Countries with Megacities | 0 | - | 4.99 | 264,514 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,728 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,461 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,984 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,534 |
| Countries by Official Language | 0 | - | 4.95 | 195,235 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,361 |
| Countries in their Native Language | 0 | - | 4.99 | 199,033 |
| Independence from Whom | 0 | - | 4.99 | 212,075 |
| Subdivisions by Country | 0 | - | 4.86 | 50,430 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,718 |
| Megadiverse Countries | 0 | - | 4.96 | 135,006 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,075 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,346 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,233 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,097 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,133 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,593 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,460 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,030 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,652 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,145 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,660 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,877 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,199 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,961 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,344 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,494 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,167 |
| World Map Quiz | 0 | - | 4.81 | 65,078 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,261 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,679 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,391 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,622 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,683 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,750 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,344 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,251 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,083 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,272 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,992 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,174 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,881 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,004 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,295 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,435 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,567 |
| Widest Countries East to West | 0 | - | 4.92 | 129,635 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,453 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,368 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,117 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,764 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,593 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,864 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,371 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,796 |
| Countries with Double Letters | 0 | - | 4.96 | 96,221 |
| Countries that End in N | 0 | - | 4.95 | 171,097 |
| Countries with Five Letters | 0 | - | 4.96 | 282,417 |