| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,259 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,266 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,919 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,415 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,562 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,052 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,681 |
| Flags that are Red & White Only | 0 | - | 4.97 | 158,054 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,461 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,666 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,515 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,529 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,250 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,628 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,713 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,503 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,187 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,749 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,222 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,634 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,326 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,634 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,677 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,908 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,998 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,588 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,715 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,498 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,676 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,871 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,876,622 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,007 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,561 |
| Landlocked Countries | 0 | - | 4.99 | 413,135 |
| Merged Countries #2 | 0 | - | 4.96 | 98,420 |
| Merged Countries #6 | 0 | - | 4.91 | 72,664 |
| Merged Countries #7 | 0 | - | 4.92 | 81,916 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,174 |
| Pixelated World Map | 0 | - | 5.00 | 142,341 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,790 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,544 |
| Every Country Shape | 0 | - | 5.00 | 458,334 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,131 |
| Flags of North and South America | 0 | - | 4.99 | 366,288 |
| Former Flags | 0 | - | 4.97 | 106,575 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,372 |
| Himalayan Countries | 0 | - | 4.95 | 135,155 |
| Andean Countries | 0 | - | 4.94 | 82,724 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,144 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,075 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,817 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,510 |
| Danube Countries | 0 | - | 4.97 | 71,028 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,692 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,485 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,355 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,278 |
| European Landlocked Countries | 0 | - | 4.99 | 145,697 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,106 |
| Countries with the Most Species | 0 | - | 4.99 | 95,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,256 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,187 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,348 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,926 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,538 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,896 |
| Countries in the Alps | 0 | - | 4.87 | 116,740 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,507 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,154 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,968 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,362 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,094 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,956 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,506 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,711 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,837 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,007 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,011 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,396 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,701 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,705 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,953 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,591 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,218 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,720 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,988 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,472 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,562 |
| Largest Countries By Category | 0 | - | 4.97 | 156,670 |
| Countries by Countries | 0 | - | 4.96 | 62,204 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,290 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,945 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,701 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,684 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,327 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,940 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,277 |
| Island Countries | 0 | - | 4.99 | 707,383 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,002 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,652 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,790 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,301 |
| Similar Flags #1 | 0 | - | 4.74 | 129,022 |
| Similar Flags #2 | 0 | - | 4.74 | 136,283 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,201 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,769 |
| Northernmost Countries | 0 | - | 4.99 | 357,426 |
| Countries of South America | 0 | - | 5.00 | 913,882 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,247 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,350 |
| "Land" Countries | 0 | - | 4.98 | 333,500 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,335 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,960 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,310 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,166 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,878 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,828 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,962 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,100 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,025 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 160,796 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,209 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,247 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,586 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,170 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,233 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,972 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,502 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,981 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,558 |
| All Country Flags of the World | 0 | - | 5.00 | 3,597,177 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,949 |
| Countries with Megacities | 0 | - | 4.99 | 246,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,864 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,774 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,321 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,725 |
| Countries by Official Language | 0 | - | 4.95 | 192,657 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,969 |
| Countries in their Native Language | 0 | - | 4.99 | 196,525 |
| Independence from Whom | 0 | - | 4.99 | 209,552 |
| Subdivisions by Country | 0 | - | 4.86 | 50,041 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,635 |
| Megadiverse Countries | 0 | - | 4.97 | 133,851 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,699 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,894 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,392 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,846 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,580 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,958 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,637 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,093 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,193 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,726 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,453 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,383 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,455 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,470 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,635 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,997 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,419 |
| World Map Quiz | 0 | - | 4.81 | 63,413 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,373 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,517 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,243 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,513 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,466 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,745 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,260 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,560 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 27,782 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,223 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,919 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,881 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,584 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,804 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,000 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,209 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,905 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,286 |
| Widest Countries East to West | 0 | - | 4.92 | 128,553 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,200 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,137 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,536 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,647 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,555 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,973 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,037 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| Countries with Double Letters | 0 | - | 4.97 | 93,275 |
| Countries that End in N | 0 | - | 4.94 | 156,339 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,552 |
| Countries with Six Letters | 0 | - | 4.93 | 210,250 |
| Countries with W | 0 | - | 4.97 | 158,153 |
| Countries with Z | 0 | - | 4.98 | 287,727 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,466 |
| Countries That End in U | 0 | - | 4.95 | 119,474 |
