| All Country Flags of the World | 0 | - | 5.00 | 3,637,168 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,339 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,471 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,496 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,878 |
| Flags with Crescents | 0 | - | 4.98 | 168,689 |
| Country Flag Trivia | 0 | - | 4.81 | 56,574 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,165 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,055 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,729 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,484 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,061 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,257 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,655 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,595 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,404 |
| World Coats of Arms | 0 | - | 4.99 | 64,217 |
| Flags to Languages | 0 | - | 4.95 | 173,163 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,282 |
| Geography by Picture - B | 0 | - | 4.42 | 55,521 |
| Geography by Picture - H | 0 | - | 4.50 | 58,143 |
| Geography by Picture - N | 0 | - | 4.45 | 42,134 |
| Geography by Picture - R | 0 | - | 4.56 | 40,958 |
| Geography by Picture - T | 0 | - | 4.54 | 57,769 |
| Countries by Road Signs | 0 | - | 4.98 | 53,504 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,775 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,145 |
| Geography by Picture - A | 0 | - | 4.39 | 60,156 |
| Geography by Picture - F | 0 | - | 4.31 | 50,919 |
| Geography by Picture - G | 0 | - | 4.38 | 47,884 |
| Geography by Picture - J | 0 | - | 4.16 | 38,400 |
| Geography by Picture - K | 0 | - | 4.29 | 33,073 |
| Geography by Picture - C | 0 | - | 4.31 | 57,006 |
| Geography by Picture - L | 0 | - | 4.37 | 58,866 |
| Geography by Picture - M | 0 | - | 4.14 | 40,400 |
| Geography by Picture - P | 0 | - | 4.24 | 42,376 |
| Geography by Picture - S | 0 | - | 4.38 | 46,988 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,580 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,114 |
| Flag Maths | 0 | - | 4.64 | 57,717 |
| Satellite Images #1 | 0 | - | 4.46 | 129,221 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,175 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,812 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,812 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,904 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,725 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,630 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,230 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,898 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,021 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,818 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,382 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,707 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,168 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,618 |
| Emoji Flags | 0 | - | 4.35 | 43,958 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,336 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,148 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,462 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,745 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,870 |
| Boundary Waters | 0 | - | 4.92 | 88,303 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,025 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,738 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,955 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,214 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,132 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,005 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,327 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,845 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,901 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,742 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,472 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,514 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,173 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,162 |
| Pixelated World Map | 0 | - | 5.00 | 142,986 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,009 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,195 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,293 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,042 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,757 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,222 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,544 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,937 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,115 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,114 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,425 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,641 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,739 |
| Landforms by Picture | 0 | - | 4.31 | 20,628 |
| Geography by Picture - I | 0 | - | 4.00 | 39,369 |
| Geography by Picture - O | 0 | - | 4.01 | 28,095 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,276 |
| Former Flags | 0 | - | 4.97 | 107,298 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,815 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,178 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,905 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,002 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,781 |
| Flags of North and South America | 0 | - | 4.99 | 370,934 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,717 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,991 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,520 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,181 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,786 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,265 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,010 |
| Select the World Flags | 0 | - | 4.27 | 37,603 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,616 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,856 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,226,032 |
| Landlocked Countries | 0 | - | 4.99 | 417,417 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 564,057 |
| Flags of Oceania | 0 | - | 5.00 | 257,468 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,673 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,514 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,881 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,346 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,767 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,720 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,434 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,460 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,426 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,670 |
| World Capitals Quiz | 0 | - | 5.00 | 5,055,337 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,285 |
| Himalayan Countries | 0 | - | 4.95 | 136,810 |
| Andean Countries | 0 | - | 4.95 | 83,631 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,885 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,207 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,560 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,153 |
| Danube Countries | 0 | - | 4.97 | 71,505 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,334 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,921 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,334 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,370 |
| European Landlocked Countries | 0 | - | 4.99 | 146,216 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,908 |
| Countries with the Most Species | 0 | - | 4.99 | 102,497 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,033 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,363 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,540 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,212 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,868 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,248 |
| Countries in the Alps | 0 | - | 4.86 | 117,458 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,980 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,075 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,319 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,828 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,923 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,334 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,092 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,056 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,873 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,412 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,412 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,250 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,802 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,070 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,080 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,880 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,954 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,481 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,325 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,500 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,811 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,885 |
| Largest Countries By Category | 0 | - | 4.97 | 157,391 |
| Countries by Countries | 0 | - | 4.96 | 62,685 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,980 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,114 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,432 |
| Merged Country Flags | 0 | - | 4.88 | 106,431 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,024 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,486 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,956 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,170 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,746,791 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,431 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,944 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,213 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,687 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,110 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,793 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,090 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,353 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,648 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,725 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,967 |
| Longest International Borders | 0 | - | 4.99 | 264,429 |
| Countries with Three Borders | 0 | - | 4.96 | 36,386 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,828 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,924 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,970 |
| Demonym of Every Country | 0 | - | 4.91 | 59,005 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,272 |
| Islands by Picture | 0 | - | 4.29 | 106,519 |