| All Country Flags of the World | 0 | - | 5.00 | 2,930,891 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,353,936 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 996,285 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 667,699 |
| Flags with Crescents | 0 | - | 4.98 | 142,039 |
| Country Flag Trivia | 0 | - | 4.87 | 43,140 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 75,073 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 55,383 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 41,267 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 112,173 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 88,068 |
| Flags with the Most Stars | 0 | - | 4.90 | 104,906 |
| Flags that are Red & White Only | 0 | - | 4.97 | 130,242 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 124,411 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 34,271 |
| Four Countries with Similar Flags #2 | 0 | - | 4.88 | 34,890 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 42,681 |
| Country Flags with the Most Red | 0 | - | 4.97 | 90,431 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 78,722 |
| Country Flags with the Most Green | 0 | - | 4.95 | 79,096 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 80,603 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 77,286 |
| Country Flags with the Most Black | 0 | - | 4.94 | 85,516 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,045 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,598 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,335 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 62,350 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 47,955 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 81,742 |
| Flags to Languages | 0 | - | 4.95 | 153,907 |
| Former Flags | 0 | - | 4.98 | 80,905 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 32,963 |
| Countries by Partial Flag Images #6 | 0 | - | 4.93 | 26,636 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 307,194 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 26,396 |
| Random Flag to Country | 0 | - | 4.99 | 500,900 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 93,523 |
| Countries by Bordering Flags #2 | 0 | - | 4.89 | 74,979 |
| Flags of the Mediterranean | 0 | - | 4.94 | 123,296 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 113,673 |
| Countries by Satellite Image #1 | 0 | - | 4.87 | 128,532 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,414 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,198 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 57,934 |
| World Coats of Arms | 0 | - | 4.99 | 55,025 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 85,746 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,325 |
| Similar Flags #1 | 0 | - | 4.72 | 110,100 |
| Similar Flags #2 | 0 | - | 4.79 | 111,950 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 124,587 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 39,742 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 149,369 |
| Emoji Flags | 0 | - | 4.34 | 40,379 |
| Countries by Road Signs | 0 | - | 4.98 | 44,827 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,333 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,807 |
| Select the World Flags | 0 | - | 4.29 | 32,899 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.77 | 23,346 |
| Random Circular Cutouts of the World Map | 0 | - | 4.97 | 65,852 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 53,788 |
| Countries by Satellite Image #3 | 0 | - | 4.66 | 65,804 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 63,828 |
| Countries by Satellite Image #4 | 0 | - | 4.72 | 61,895 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,607 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.76 | 41,052 |
| Countries by Coat of Arms #2 | 0 | - | 4.77 | 32,119 |
| Countries by Picture #1 | 0 | - | 4.51 | 88,826 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,199 |
| Guess the Country by a Picture Hint | 0 | - | 4.41 | 41,762 |
| Name a Valid Country Flag | 0 | - | 4.57 | 45,748 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,035,852 |
| Flags of Asia Quiz | 0 | - | 4.99 | 520,325 |
| Pixelated World Map | 0 | - | 5.00 | 127,232 |
| Flags of Africa Quiz | 0 | - | 4.99 | 382,580 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.41 | 65,927 |
| Satellite Images - Europe | 0 | - | 4.44 | 80,745 |
| European Cities by Picture #2 | 0 | - | 4.47 | 34,327 |
| Boundary Waters | 0 | - | 4.93 | 80,569 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,057 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 43,770 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 50,685 |
| Cities by Satellite #1 | 0 | - | 4.36 | 69,788 |
| Cities by Satellite #2 | 0 | - | 4.47 | 22,642 |
| Countries by Picture #4 | 0 | - | 4.17 | 41,623 |
| Countries by Picture #2 | 0 | - | 4.37 | 63,793 |
| Countries by Picture #5 | 0 | - | 4.27 | 39,582 |
| Countries by Picture #6 | 0 | - | 4.17 | 33,445 |
| Geography by Picture - G | 0 | - | 4.41 | 45,122 |
| Geography by Picture - H | 0 | - | 4.52 | 54,906 |
| Geography by Picture - N | 0 | - | 4.46 | 39,355 |
| Geography by Picture - R | 0 | - | 4.55 | 38,404 |
| Geography by Picture - T | 0 | - | 4.64 | 54,468 |
| Flags of Oceania | 0 | - | 5.00 | 213,312 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,948 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,268 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,686 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,733 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,586,510 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,876 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 319,204 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,276 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,292 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 83,874 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,468 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,379 |
| Cities by Picture #1 | 0 | - | 4.66 | 76,470 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,400 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,973 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,104 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,450 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,075 |
| World Capitals Quiz | 0 | - | 5.00 | 4,470,098 |
| Countries on the Equator | 0 | - | 4.83 | 133,491 |
| Members of the Arab League | 0 | - | 4.83 | 59,946 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,604 |
| Himalayan Countries | 0 | - | 4.95 | 103,007 |
| Andean Countries | 0 | - | 4.90 | 57,254 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,090 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,695 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,057 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,662 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,866 |
| Danube Countries | 0 | - | 4.97 | 56,424 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,459 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,654 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,573 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,927 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,581 |
| European Landlocked Countries | 0 | - | 4.99 | 114,911 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,913 |
| Countries with the Most Species | 0 | - | 4.99 | 89,123 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,974 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,511 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,862 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,879 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,191 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,518 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,799 |
| Countries in the Alps | 0 | - | 4.83 | 102,038 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,827 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,128 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,231 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,863 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,526 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,186 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,202 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,856 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,122 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,292 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,030 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,394 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,481 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,100 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,610 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,106 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,947 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,050 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,061 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,783 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,812 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,043 |
| Largest Countries By Category | 0 | - | 4.96 | 144,129 |
| Countries by Countries | 0 | - | 4.96 | 54,232 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,032,812 |
| Country Flags with the Most White | 0 | - | 4.92 | 119,940 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,457 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,506 |
| All Countries by Population With a Map | 0 | - | 4.98 | 61,038 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 76,173 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,571 |
| Merged Countries #2 | 0 | - | 4.96 | 89,097 |
| Merged Countries #4 | 0 | - | 4.87 | 83,628 |
| Merged Countries #6 | 0 | - | 4.88 | 64,669 |
| Merged Countries #7 | 0 | - | 4.93 | 73,847 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,825 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,900 |
| Geography by Picture - A | 0 | - | 4.35 | 56,599 |
| Geography by Picture - B | 0 | - | 4.36 | 52,160 |
| Geography by Picture - D | 0 | - | 4.10 | 42,997 |
| Geography by Picture - F | 0 | - | 4.25 | 48,068 |
| Geography by Picture - J | 0 | - | 4.14 | 36,186 |
| Geography by Picture - C | 0 | - | 4.28 | 53,979 |
| Geography by Picture - L | 0 | - | 4.34 | 55,535 |
| Geography by Picture - M | 0 | - | 4.11 | 38,216 |
| Geography by Picture - P | 0 | - | 4.28 | 39,948 |
| Geography by Picture - S | 0 | - | 4.35 | 44,323 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,300 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,320 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,398 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,314 |
| Longest International Borders | 0 | - | 4.99 | 233,130 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,560 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,528 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 34,240 |
| Demonym of Every Country | 0 | - | 4.91 | 49,002 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,415 |
| Islands by Picture | 0 | - | 4.31 | 90,556 |
| Former Countries by Territory Map | 0 | - | 4.96 | 85,012 |
| Empires by Maps | 0 | - | 4.98 | 93,098 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,372,865 |
