| All Country Flags of the World | 0 | - | 5.00 | 3,609,286 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,093 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,639 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,013 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,111 |
| Flags with Crescents | 0 | - | 4.98 | 167,793 |
| Country Flag Trivia | 0 | - | 4.81 | 56,034 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,557 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,553 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,067 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,130 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,518 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,027 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,478 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,413 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,304 |
| World Coats of Arms | 0 | - | 4.99 | 63,944 |
| Flags to Languages | 0 | - | 4.95 | 172,639 |
| Geography by Picture - B | 0 | - | 4.42 | 55,437 |
| Geography by Picture - H | 0 | - | 4.50 | 58,070 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,892 |
| Geography by Picture - T | 0 | - | 4.54 | 57,700 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,515 |
| Countries by Road Signs | 0 | - | 4.98 | 53,185 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,019 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,592 |
| Geography by Picture - A | 0 | - | 4.39 | 60,066 |
| Geography by Picture - D | 0 | - | 4.15 | 45,517 |
| Geography by Picture - F | 0 | - | 4.31 | 50,846 |
| Geography by Picture - G | 0 | - | 4.38 | 47,813 |
| Geography by Picture - J | 0 | - | 4.16 | 38,349 |
| Geography by Picture - K | 0 | - | 4.29 | 33,031 |
| Geography by Picture - C | 0 | - | 4.31 | 56,931 |
| Geography by Picture - L | 0 | - | 4.37 | 58,784 |
| Geography by Picture - M | 0 | - | 4.14 | 40,356 |
| Geography by Picture - P | 0 | - | 4.24 | 42,318 |
| Geography by Picture - S | 0 | - | 4.38 | 46,930 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,637 |
| Flag Maths | 0 | - | 4.78 | 57,687 |
| Satellite Images #1 | 0 | - | 4.46 | 129,058 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,026 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,679 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,680 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,826 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,370 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,091 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,723 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,866 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,715 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,249 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,442 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,014 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,436 |
| Emoji Flags | 0 | - | 4.35 | 43,846 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,262 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,795 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,158 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,681 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,169 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,742 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,458 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,185 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,616 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,150 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,514 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,524 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,864 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,590 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,777 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,785 |
| Pixelated World Map | 0 | - | 5.00 | 142,544 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,525 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,837 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,926 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,687 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,413 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,916 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,336 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,739 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,846 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,688 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,962 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,111 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,290 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,096 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,257 |
| Flags of North and South America | 0 | - | 4.99 | 368,128 |
| Former Flags | 0 | - | 4.97 | 106,833 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,670 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,873 |
| Geography by Picture - E | 0 | - | 3.55 | 47,291 |
| Landforms by Picture | 0 | - | 4.31 | 20,585 |
| Geography by Picture - I | 0 | - | 4.00 | 39,330 |
| Boundary Waters | 0 | - | 4.92 | 88,081 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,851 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,392 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,440 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,907 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,814 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,349 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,930 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 30,973 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,063 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,602 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,172 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,930 |
| Flags of Oceania | 0 | - | 5.00 | 255,729 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,027 |
| Select the World Flags | 0 | - | 4.27 | 37,433 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,491 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,165 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,521 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,910 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,739 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,980,390 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,617 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,574 |
| Landlocked Countries | 0 | - | 4.99 | 414,364 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,080 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,484 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,141 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,701 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,630 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,744 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,217 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,084 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,896 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,181 |
| World Capitals Quiz | 0 | - | 5.00 | 5,036,450 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,893 |
| Himalayan Countries | 0 | - | 4.95 | 135,618 |
| Andean Countries | 0 | - | 4.94 | 82,968 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,331 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,378 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,032 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,709 |
| Danube Countries | 0 | - | 4.97 | 71,152 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,856 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,611 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,638 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,552 |
| European Landlocked Countries | 0 | - | 4.99 | 145,854 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,314 |
| Countries with the Most Species | 0 | - | 4.99 | 95,287 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,468 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,225 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,000 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,640 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,007 |
| Countries in the Alps | 0 | - | 4.86 | 116,945 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,652 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,397 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,077 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,484 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,265 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,067 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,668 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,822 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,548 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,127 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,222 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,086 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,509 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,807 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,803 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,223 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,717 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,297 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,873 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,678 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,920 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,663 |
| Largest Countries By Category | 0 | - | 4.97 | 156,881 |
| Countries by Countries | 0 | - | 4.96 | 62,333 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,521 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,991 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,351 |
| Merged Country Flags | 0 | - | 4.88 | 106,092 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,956 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,188 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,839 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,906 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,786 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,515 |
| Geography by Picture - O | 0 | - | 4.00 | 28,059 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,086 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,611 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,257 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,485 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,633 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,684 |
| Longest International Borders | 0 | - | 4.99 | 263,939 |
| Countries with Three Borders | 0 | - | 4.96 | 36,232 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,640 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,727 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,884 |
| Demonym of Every Country | 0 | - | 4.91 | 58,717 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,197 |
