| All Country Flags of the World | 0 | - | 5.00 | 3,650,443 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,459 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,896 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,776 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,681 |
| Flags with Crescents | 0 | - | 4.98 | 169,143 |
| Country Flag Trivia | 0 | - | 4.81 | 56,824 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,480 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,274 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,098 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,645 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,330 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,380 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,747 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,677 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,448 |
| World Coats of Arms | 0 | - | 4.99 | 64,358 |
| Flags to Languages | 0 | - | 4.95 | 173,431 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,409 |
| Geography by Picture - B | 0 | - | 4.42 | 55,561 |
| Geography by Picture - H | 0 | - | 4.50 | 58,184 |
| Geography by Picture - N | 0 | - | 4.45 | 42,174 |
| Geography by Picture - R | 0 | - | 4.56 | 40,992 |
| Geography by Picture - T | 0 | - | 4.54 | 57,808 |
| Countries by Road Signs | 0 | - | 4.98 | 53,661 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,904 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,206 |
| Geography by Picture - A | 0 | - | 4.39 | 60,203 |
| Geography by Picture - D | 0 | - | 4.15 | 45,619 |
| Geography by Picture - F | 0 | - | 4.31 | 50,960 |
| Geography by Picture - G | 0 | - | 4.38 | 47,916 |
| Geography by Picture - J | 0 | - | 4.16 | 38,434 |
| Geography by Picture - K | 0 | - | 4.29 | 33,101 |
| Geography by Picture - C | 0 | - | 4.31 | 57,034 |
| Geography by Picture - L | 0 | - | 4.37 | 58,910 |
| Geography by Picture - P | 0 | - | 4.24 | 42,402 |
| Geography by Picture - S | 0 | - | 4.38 | 47,017 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,034 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,347 |
| Flag Maths | 0 | - | 4.64 | 57,746 |
| Satellite Images #1 | 0 | - | 4.47 | 129,300 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,246 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,868 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,871 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,945 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,874 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,796 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,316 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,993 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,101 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,863 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,426 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,209 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,294 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,730 |
| Emoji Flags | 0 | - | 4.35 | 44,020 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,365 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,283 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,602 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,785 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,238 |
| Boundary Waters | 0 | - | 4.92 | 88,383 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,088 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,924 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,198 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,352 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,282 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,349 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,610 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,121 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,081 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,044 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,731 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,830 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,356 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,329 |
| Pixelated World Map | 0 | - | 5.00 | 143,175 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,221 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,345 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,461 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,218 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,927 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,377 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,633 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,023 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,246 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,295 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,596 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,812 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,913 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,704 |
| Landforms by Picture | 0 | - | 4.31 | 20,658 |
| Geography by Picture - I | 0 | - | 4.00 | 39,398 |
| Geography by Picture - O | 0 | - | 4.01 | 28,116 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,364 |
| Former Flags | 0 | - | 4.97 | 107,510 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,875 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,322 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,544 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,662 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,524 |
| Flags of North and South America | 0 | - | 4.99 | 372,102 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,915 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,036 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,284 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,982 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,366 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,077 |
| Select the World Flags | 0 | - | 4.27 | 37,679 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,853 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,896 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,341,858 |
| Landlocked Countries | 0 | - | 4.99 | 419,068 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,327 |
| Flags of Oceania | 0 | - | 5.00 | 258,299 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,965 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,692 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,021 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,534 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,843 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,785 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,503 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,635 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,689 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,920 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,327 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,033 |
| Himalayan Countries | 0 | - | 4.94 | 137,471 |
| Andean Countries | 0 | - | 4.95 | 83,962 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,241 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,694 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,851 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,365 |
| Danube Countries | 0 | - | 4.97 | 71,674 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,566 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,066 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,671 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,748 |
| European Landlocked Countries | 0 | - | 4.99 | 146,789 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,147 |
| Countries with the Most Species | 0 | - | 4.99 | 102,923 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,284 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,435 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,592 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,313 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,999 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,372 |
| Countries in the Alps | 0 | - | 4.87 | 117,706 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,146 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,386 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,428 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,003 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,111 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,666 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,293 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,198 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,974 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,560 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,487 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,937 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,195 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,216 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,211 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,070 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,579 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,536 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,438 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,252 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,009 |
| Largest Countries By Category | 0 | - | 4.97 | 157,656 |
| Countries by Countries | 0 | - | 4.96 | 62,848 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,229 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,166 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,475 |
| Merged Country Flags | 0 | - | 4.88 | 106,603 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,558 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,665 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,727 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,332 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,462 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,597 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,036 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,391 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,740 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,315 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,810 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,233 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,391 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,748 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,102 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,083 |
| Longest International Borders | 0 | - | 4.99 | 264,683 |
| Countries with Three Borders | 0 | - | 4.96 | 36,458 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,921 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 48,020 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,006 |
| Demonym of Every Country | 0 | - | 4.91 | 59,159 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,313 |
| Islands by Picture | 0 | - | 4.29 | 106,765 |
