| Countries by Satellite Image #1 | 0 | - | 4.88 | 130,623 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,281 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.86 | 44,736 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,377 |
| All Country Flags of the World | 0 | - | 5.00 | 3,015,104 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,378,801 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,009,290 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 676,328 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 62,883 |
| Flags with Crescents | 0 | - | 4.98 | 145,027 |
| Country Flag Trivia | 0 | - | 4.81 | 44,650 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 77,129 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 56,935 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.85 | 42,595 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,281 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,184 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,807 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,069 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 35,859 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,601 |
| World Coats of Arms | 0 | - | 4.99 | 56,138 |
| Flags to Languages | 0 | - | 4.95 | 159,759 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,533 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,629 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,581 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,053 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,481 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,530 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 26,060 |
| Geography by Picture - H | 0 | - | 4.52 | 55,396 |
| Geography by Picture - N | 0 | - | 4.46 | 39,751 |
| Geography by Picture - R | 0 | - | 4.54 | 38,776 |
| Geography by Picture - T | 0 | - | 4.63 | 55,006 |
| Countries by Road Signs | 0 | - | 4.98 | 45,821 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 115,827 |
| Islands by Satellite Image #2 | 0 | - | 4.30 | 17,832 |
| Islands by Shape #2 | 0 | - | 4.86 | 45,168 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,278 |
| Cities by Satellite #2 | 0 | - | 4.47 | 22,919 |
| Geography by Picture - A | 0 | - | 4.35 | 57,105 |
| Geography by Picture - B | 0 | - | 4.36 | 52,620 |
| Geography by Picture - D | 0 | - | 4.10 | 43,334 |
| Geography by Picture - F | 0 | - | 4.25 | 48,460 |
| Geography by Picture - G | 0 | - | 4.39 | 45,517 |
| Geography by Picture - J | 0 | - | 4.14 | 36,499 |
| Geography by Picture - C | 0 | - | 4.28 | 54,390 |
| Geography by Picture - L | 0 | - | 4.34 | 56,029 |
| Geography by Picture - M | 0 | - | 4.11 | 38,497 |
| Geography by Picture - P | 0 | - | 4.28 | 40,291 |
| Geography by Picture - S | 0 | - | 4.35 | 44,738 |
| Random Flags Quiz | 0 | - | 4.41 | 257,794 |
| Cities by Picture #1 | 0 | - | 4.66 | 77,757 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,411 |
| Countries by Picture #1 | 0 | - | 4.51 | 90,239 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,873 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,604 |
| Landmarks Picture Quiz #1 | 0 | - | 4.20 | 362,010 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,056,628 |
| Flags of Asia Quiz | 0 | - | 4.99 | 530,039 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 113,984 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 89,595 |
| Flags with the Most Stars | 0 | - | 4.91 | 106,939 |
| Flags that are Red & White Only | 0 | - | 4.97 | 131,546 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 126,776 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 36,421 |
| African Island Countries | 0 | - | 4.96 | 90,400 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,003 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,832 |
| Pixelated World Map | 0 | - | 5.00 | 129,407 |
| Country Flags with the Most Red | 0 | - | 4.97 | 92,327 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 80,056 |
| Country Flags with the Most Green | 0 | - | 4.96 | 80,670 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 82,016 |
| Country Flags with the Most Yellow | 0 | - | 4.93 | 78,519 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,771 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,761 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,261 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,306 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 63,231 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 48,910 |
| Islands by Country #1 | 0 | - | 4.87 | 164,335 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,413 |
| Flags of Africa Quiz | 0 | - | 4.99 | 391,906 |
| Emoji Flags | 0 | - | 4.34 | 40,894 |
| Former Flags | 0 | - | 4.98 | 82,254 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 63,795 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 34,425 |
| Geography by Picture - E | 0 | - | 3.53 | 45,645 |
| Landforms by Picture | 0 | - | 4.35 | 19,087 |
| Geography by Picture - I | 0 | - | 3.97 | 37,701 |
| Geography by Picture - K | 0 | - | 4.29 | 31,234 |
| Richest Island Countries | 0 | - | 4.87 | 88,281 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 27,853 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,121 |
| Countries by Picture #2 | 0 | - | 4.37 | 64,683 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,083 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,817 |
| Flags of Oceania | 0 | - | 5.00 | 218,254 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,079 |
| Three Band Flags of Europe | 0 | - | 4.97 | 162,432 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,563 |
| Select the World Flags | 0 | - | 4.31 | 33,579 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 124,340 |
| A-Z Cities by Pictures | 0 | - | 4.54 | 39,719 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,951 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,901 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,322 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,927 |
| Boundary Waters | 0 | - | 4.93 | 81,577 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,775 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 46,170 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,039 |
| Random Flag to Country | 0 | - | 4.99 | 511,384 |
| Countries by Bordering Flags #1 | 0 | - | 4.93 | 94,599 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 75,874 |
| Flags of the Mediterranean | 0 | - | 4.94 | 124,977 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,326 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,385,197 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,959 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 23,588 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,572 |
| World Capitals Quiz | 0 | - | 5.00 | 4,537,370 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,125,702 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,194,600 |
| Geography by Picture - O | 0 | - | 4.00 | 26,541 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 87,044 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,689 |
| Islands by Picture | 0 | - | 4.31 | 93,041 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,874 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 84,979 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,626 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,689 |
| Biggest City by Island | 0 | - | 4.57 | 45,959 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.95 | 110,802 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,396,558 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,076 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,280 |
| Members of the Arab League | 0 | - | 4.85 | 64,604 |
| Island Countries Quiz | 0 | - | 4.99 | 664,948 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,927 |
| Himalayan Countries | 0 | - | 4.95 | 106,875 |
| Andean Countries | 0 | - | 4.91 | 59,433 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,499 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,268 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,630 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,540 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,838 |
| Danube Countries | 0 | - | 4.96 | 56,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,011 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,113 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,050 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,946 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,231 |
| European Landlocked Countries | 0 | - | 4.99 | 136,475 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,357 |
| Countries with the Most Species | 0 | - | 4.99 | 89,702 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,859 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,883 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,177 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,706 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,663 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,937 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,550 |
| Countries in the Alps | 0 | - | 4.84 | 103,318 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,936 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,395 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,963 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,020 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,484 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,994 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,153 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,497 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,530 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,090 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,842 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,814 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,866 |
| Asian Island Nations | 0 | - | 4.66 | 89,127 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,195 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,355 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,925 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,872 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,423 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,678 |
| Similar Flags #1 | 0 | - | 4.74 | 111,688 |
| Similar Flags #2 | 0 | - | 4.79 | 113,844 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,747 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,508 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,161 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,582 |
| Largest Countries By Category | 0 | - | 4.97 | 145,752 |
| Countries by Countries | 0 | - | 4.96 | 55,152 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,422 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,981 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,926 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,969 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,587 |
| Northernmost Countries | 0 | - | 4.99 | 329,371 |
| Islands by Country #2 | 0 | - | 4.79 | 71,291 |
| Countries of South America | 0 | - | 5.00 | 802,576 |
