| All Country Flags of the World | 0 | - | 5.00 | 3,665,193 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,624 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,390 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,020 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,501 |
| Flags with Crescents | 0 | - | 4.98 | 169,624 |
| Country Flag Trivia | 0 | - | 4.81 | 57,066 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,803 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,530 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,460 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,834 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,841 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,694 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,961 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,778 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,506 |
| World Coats of Arms | 0 | - | 4.99 | 64,532 |
| Flags to Languages | 0 | - | 4.95 | 173,658 |
| Geography by Picture - B | 0 | - | 4.42 | 55,613 |
| Geography by Picture - H | 0 | - | 4.50 | 58,239 |
| Geography by Picture - N | 0 | - | 4.45 | 42,208 |
| Geography by Picture - R | 0 | - | 4.56 | 41,030 |
| Geography by Picture - T | 0 | - | 4.54 | 57,849 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,028 |
| Countries by Road Signs | 0 | - | 4.98 | 53,838 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,280 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,584 |
| Geography by Picture - A | 0 | - | 4.39 | 60,266 |
| Geography by Picture - D | 0 | - | 4.15 | 45,667 |
| Geography by Picture - F | 0 | - | 4.31 | 51,012 |
| Geography by Picture - G | 0 | - | 4.38 | 47,955 |
| Geography by Picture - J | 0 | - | 4.16 | 38,471 |
| Geography by Picture - K | 0 | - | 4.29 | 33,134 |
| Geography by Picture - C | 0 | - | 4.31 | 57,080 |
| Geography by Picture - L | 0 | - | 4.37 | 58,974 |
| Geography by Picture - M | 0 | - | 4.14 | 40,468 |
| Geography by Picture - P | 0 | - | 4.24 | 42,443 |
| Geography by Picture - S | 0 | - | 4.38 | 47,046 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,514 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Satellite Images #1 | 0 | - | 4.47 | 129,389 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,320 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,928 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,939 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,996 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,979 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,451 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,145 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,221 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,939 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,513 |
| Countries by Picture #1 | 0 | - | 4.51 | 115,102 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,606 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,872 |
| Emoji Flags | 0 | - | 4.35 | 44,101 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,408 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,441 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,761 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,813 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,563 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,373 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,697 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,846 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,073 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,552 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,357 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,440 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,118 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,261 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,604 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,581 |
| Pixelated World Map | 0 | - | 5.00 | 143,406 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,512 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,557 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,667 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,441 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,116 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,540 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,731 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,132 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,399 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,461 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,790 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,998 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,093 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,920 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,479 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,425 |
| Flags of North and South America | 0 | - | 4.99 | 373,152 |
| Former Flags | 0 | - | 4.97 | 107,744 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,960 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,476 |
| Geography by Picture - E | 0 | - | 3.55 | 47,389 |
| Landforms by Picture | 0 | - | 4.31 | 20,682 |
| Geography by Picture - I | 0 | - | 4.00 | 39,437 |
| Geography by Picture - O | 0 | - | 4.01 | 28,145 |
| Boundary Waters | 0 | - | 4.92 | 88,471 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,170 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,096 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,462 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,468 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,420 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,096 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,077 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,416 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,736 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,332 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,925 |
| Flags of Oceania | 0 | - | 5.00 | 259,478 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,344 |
| Select the World Flags | 0 | - | 4.27 | 37,752 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,938 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,869 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,218 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,772 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,967 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,464,031 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,918 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,854 |
| Landlocked Countries | 0 | - | 4.99 | 420,578 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,411 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,563 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,747 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,171 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,574 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,823 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,611 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,839 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,962 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,188 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,145 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,732 |
| Himalayan Countries | 0 | - | 4.95 | 138,101 |
| Andean Countries | 0 | - | 4.95 | 84,273 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,493 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,345 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,125 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,570 |
| Danube Countries | 0 | - | 4.97 | 71,836 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,803 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,244 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,981 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,434 |
| European Landlocked Countries | 0 | - | 4.99 | 146,972 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,385 |
| Countries with the Most Species | 0 | - | 4.99 | 103,098 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,538 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,660 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,448 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,117 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,508 |
| Countries in the Alps | 0 | - | 4.87 | 117,963 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,546 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,724 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,459 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,311 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,834 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,473 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,342 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,079 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,706 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,074 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,351 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,369 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,550 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,692 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,826 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,207 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,684 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,113 |
| Largest Countries By Category | 0 | - | 4.97 | 157,934 |
| Countries by Countries | 0 | - | 4.97 | 63,018 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,469 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,219 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,514 |
| Merged Country Flags | 0 | - | 4.88 | 106,787 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,095 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,810 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,513 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,907 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,561 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,798 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,174 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,358 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,444 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,842 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,605 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,191 |
| Longest International Borders | 0 | - | 4.99 | 264,955 |
| Countries with Three Borders | 0 | - | 4.96 | 36,534 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,015 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,135 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,041 |
| Demonym of Every Country | 0 | - | 4.91 | 60,183 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,373 |
