| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,270 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,662 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,042 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,349 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,868 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,916 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,768 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,494 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,545 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,188 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,179 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,030 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,213 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,306 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,055 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,772 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,233 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,553 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,940 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,130 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,440 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,663 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,755 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,599 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,408 |
| World Coats of Arms | 0 | - | 4.99 | 64,225 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,280 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,819 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,188 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,535 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,864 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,237 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,906 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,028 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,825 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,389 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,057 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,235,137 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,449 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,954 |
| Landlocked Countries | 0 | - | 4.99 | 417,518 |
| Merged Countries #2 | 0 | - | 4.96 | 98,808 |
| Merged Countries #6 | 0 | - | 4.90 | 73,043 |
| Merged Countries #7 | 0 | - | 4.93 | 82,322 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,607 |
| Pixelated World Map | 0 | - | 5.00 | 143,007 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,917 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,978 |
| Every Country Shape | 0 | - | 5.00 | 462,692 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,630 |
| Flags of North and South America | 0 | - | 4.99 | 371,027 |
| Former Flags | 0 | - | 4.97 | 107,318 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,332 |
| Himalayan Countries | 0 | - | 4.95 | 136,852 |
| Andean Countries | 0 | - | 4.95 | 83,651 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,911 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,229 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,577 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,166 |
| Danube Countries | 0 | - | 4.97 | 71,511 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,345 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,927 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,369 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,412 |
| European Landlocked Countries | 0 | - | 4.99 | 146,230 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,926 |
| Countries with the Most Species | 0 | - | 4.99 | 102,559 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,051 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,369 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,545 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,217 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,877 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,262 |
| Countries in the Alps | 0 | - | 4.86 | 117,475 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,995 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,097 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,328 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,834 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,932 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,350 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,109 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,069 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,880 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,421 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,413 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,260 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,821 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,081 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,091 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,912 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,961 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,490 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,348 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,571 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,857 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,894 |
| Largest Countries By Category | 0 | - | 4.97 | 157,411 |
| Countries by Countries | 0 | - | 4.96 | 62,704 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,997 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,116 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,184 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,390 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,815 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,217 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,379 |
| Island Countries | 0 | - | 4.99 | 709,210 |
| Similar Flags #1 | 0 | - | 4.74 | 129,628 |
| Similar Flags #2 | 0 | - | 4.74 | 136,933 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,533 |
| Northernmost Countries | 0 | - | 4.99 | 359,860 |
| Countries of South America | 0 | - | 5.00 | 921,043 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,767 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,988 |
| "Land" Countries | 0 | - | 4.98 | 335,373 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,719 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,173 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,904 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,574 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,738 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,698 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,516 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,348 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,037 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,678 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,780 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,078 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,137 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,799 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,768 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,373 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,913 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,430 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,981 |
| All Country Flags of the World | 0 | - | 5.00 | 3,638,189 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,577 |
| Countries with Megacities | 0 | - | 4.99 | 249,585 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,426 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,726 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,769 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,693 |
| Countries by Official Language | 0 | - | 4.95 | 194,370 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,183 |
| Countries in their Native Language | 0 | - | 4.99 | 197,938 |
| Independence from Whom | 0 | - | 4.99 | 211,040 |
| Subdivisions by Country | 0 | - | 4.86 | 50,239 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,496 |
| Megadiverse Countries | 0 | - | 4.96 | 134,663 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,081 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,125 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,682 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,972 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,549 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,287 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,757 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,681 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,431 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,825 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,557 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,633 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,734 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,701 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,915 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,262 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,827 |
| World Map Quiz | 0 | - | 4.81 | 64,282 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,875 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,127 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,801 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,055 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,091 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,239 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,857 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,872 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 29,924 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,241 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,783 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,506 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,980 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,382 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,561 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,717 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,193 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,184 |
| Widest Countries East to West | 0 | - | 4.92 | 129,249 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,348 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,780 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,961 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,369 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,073 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,438 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,174 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,702 |
| Countries with Double Letters | 0 | - | 4.97 | 94,745 |
| Countries that End in N | 0 | - | 4.95 | 169,111 |
| Countries with Five Letters | 0 | - | 4.96 | 276,101 |
| Countries with Six Letters | 0 | - | 4.94 | 212,050 |
| Countries with W | 0 | - | 4.97 | 159,259 |
| Countries with Z | 0 | - | 4.98 | 289,414 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,464 |
| Countries That End in U | 0 | - | 4.95 | 120,265 |
