| All Country Flags of the World | 0 | - | 5.00 | 3,637,086 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,057 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,254 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,655 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,339 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,454 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,473 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,866 |
| Flags with Crescents | 0 | - | 4.98 | 168,688 |
| Country Flag Trivia | 0 | - | 4.81 | 56,573 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,164 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,053 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,727 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,483 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,175 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,812 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,902 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,594 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,404 |
| World Coats of Arms | 0 | - | 4.99 | 64,216 |
| Flags to Languages | 0 | - | 4.95 | 173,161 |
| 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 | 67,018 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,817 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,382 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,147 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,462 |
| 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 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,336 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,744 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,774 |
| Countries by Road Signs | 0 | - | 4.98 | 53,503 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,144 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,716 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,991 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,112 |
| Geography by Picture - A | 0 | - | 4.39 | 60,155 |
| Geography by Picture - D | 0 | - | 4.15 | 45,581 |
| 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 | 42,375 |
| Geography by Picture - S | 0 | - | 4.38 | 46,988 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,576 |
| Flag Maths | 0 | - | 4.64 | 57,717 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,725 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,629 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,705 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,168 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,617 |
| Emoji Flags | 0 | - | 4.35 | 43,958 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,870 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,848 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,988 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,001 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,325 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,843 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,901 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,739 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,471 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,509 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,173 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,160 |
| Pixelated World Map | 0 | - | 5.00 | 142,984 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,008 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,194 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,292 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,042 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,755 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,221 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,543 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,935 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,114 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,113 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,424 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,639 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,736 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,276 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,771 |
| Flags of North and South America | 0 | - | 4.99 | 370,917 |
| Former Flags | 0 | - | 4.97 | 107,297 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,131 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,657 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,813 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,176 |
| Geography by Picture - E | 0 | - | 3.55 | 47,331 |
| 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 |
| Boundary Waters | 0 | - | 4.92 | 88,302 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,021 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,737 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,954 |
| "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 #7 | 0 | - | 4.88 | 31,519 |
| 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 |
| Flags of Oceania | 0 | - | 5.00 | 257,462 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,671 |
| Select the World Flags | 0 | - | 4.27 | 37,603 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,615 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,513 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,881 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,344 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,856 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,225,213 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,767 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,718 |
| Landlocked Countries | 0 | - | 4.99 | 417,408 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 564,028 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,929 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,430 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,944 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,110 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,648 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,793 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,433 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,456 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,426 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,669 |
| World Capitals Quiz | 0 | - | 5.00 | 5,055,273 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,280 |
| Himalayan Countries | 0 | - | 4.95 | 136,805 |
| Andean Countries | 0 | - | 4.95 | 83,628 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,884 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,207 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,558 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,153 |
| Danube Countries | 0 | - | 4.97 | 71,502 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,331 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,919 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,332 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,363 |
| European Landlocked Countries | 0 | - | 4.99 | 146,216 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,907 |
| Countries with the Most Species | 0 | - | 4.99 | 102,488 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,032 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,362 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,540 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,211 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,867 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,247 |
| Countries in the Alps | 0 | - | 4.86 | 117,456 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,978 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,071 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,319 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,826 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,921 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,333 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,091 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,056 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,872 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,412 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,411 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,248 |
| 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 | 77,079 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,877 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,953 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,481 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,324 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,492 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,808 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,884 |
| Largest Countries By Category | 0 | - | 4.97 | 157,389 |
| Countries by Countries | 0 | - | 4.96 | 62,683 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,978 |
| 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 | 106,430 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,019 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,485 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,169 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,746,714 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,213 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,686 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,087 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,352 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,648 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,723 |
| 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 | 59,004 |
