| All Country Flags of the World | 0 | - | 5.00 | 3,676,596 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,382 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,980 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,185 |
| Flags with Crescents | 0 | - | 4.98 | 169,987 |
| Country Flag Trivia | 0 | - | 4.81 | 57,266 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,060 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,740 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,705 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,446 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,004 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,149 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,339 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,843 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,542 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,687 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,384 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,573 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,786 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,719 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,712 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,733 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,828 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,617 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,257 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,692 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,817 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,210 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,508 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,604 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,945 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,141 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,246 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,106 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,556 |
| Flags of North and South America | 0 | - | 4.99 | 374,021 |
| Flags to Languages | 0 | - | 4.95 | 173,868 |
| Former Flags | 0 | - | 4.97 | 107,925 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,019 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,659 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,596 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,044 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,168 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,877 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,278 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,758 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,788 |
| Flag Maths | 0 | - | 4.64 | 57,785 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,147 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,827 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,053 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,847 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,540 |
| World Coats of Arms | 0 | - | 4.99 | 64,663 |
| Similar Flags #1 | 0 | - | 4.75 | 130,230 |
| Similar Flags #2 | 0 | - | 4.74 | 137,513 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,827 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,981 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,864 |
| Emoji Flags | 0 | - | 4.35 | 44,145 |
| Countries by Road Signs | 0 | - | 4.98 | 53,990 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,722 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,325 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,306 |
| Select the World Flags | 0 | - | 4.27 | 37,824 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,128 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,976 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,539 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,227 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,308 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,990 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,565 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,063 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,862 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,976 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,925 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,508 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,416 |
| Pixelated World Map | 0 | - | 5.00 | 143,582 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,715 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,292 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,685 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,262 |
| Boundary Waters | 0 | - | 4.92 | 88,554 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,229 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,239 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,666 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,576 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,541 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,364 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,130 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,632 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,092 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,524 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,089 |
| Geography by Picture - B | 0 | - | 4.42 | 55,662 |
| Geography by Picture - H | 0 | - | 4.50 | 58,272 |
| Geography by Picture - N | 0 | - | 4.45 | 42,241 |
| Geography by Picture - R | 0 | - | 4.56 | 41,064 |
| Geography by Picture - T | 0 | - | 4.54 | 57,890 |
| Flags of Oceania | 0 | - | 5.00 | 260,266 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,619 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,138 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,005 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,355 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,947 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,563,084 |
| Flags of WW1 | 0 | - | 4.60 | 38,475 |
| Landlocked Countries | 0 | - | 4.99 | 421,716 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 576,114 |
| Satellite Images #1 | 0 | - | 4.47 | 129,454 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,376 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,971 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,996 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,029 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,139 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,836 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,695 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,996 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,375 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,382 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,839 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,323 |
| Himalayan Countries | 0 | - | 4.95 | 138,608 |
| Andean Countries | 0 | - | 4.93 | 84,545 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,729 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,731 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,367 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,756 |
| Danube Countries | 0 | - | 4.97 | 71,975 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,978 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,392 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,250 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,726 |
| European Landlocked Countries | 0 | - | 4.99 | 147,111 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,585 |
| Countries with the Most Species | 0 | - | 4.99 | 103,210 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,716 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,574 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,708 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,522 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,207 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,631 |
| Countries in the Alps | 0 | - | 4.87 | 118,167 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,943 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,995 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,627 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,573 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,473 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,928 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,646 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,468 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,167 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,819 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,639 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,505 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,198 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,446 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,494 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,840 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,290 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,394 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,033 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,796 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,029 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,204 |
| Largest Countries By Category | 0 | - | 4.97 | 158,173 |
| Countries by Countries | 0 | - | 4.96 | 63,184 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,653 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,271 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,556 |
| Merged Country Flags | 0 | - | 4.88 | 106,927 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,500 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,982 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,788 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,654 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,986 |
| Merged Countries #2 | 0 | - | 4.96 | 99,233 |
| Merged Countries #6 | 0 | - | 4.90 | 73,437 |
| Merged Countries #7 | 0 | - | 4.93 | 82,777 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,687 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,848 |
| Geography by Picture - A | 0 | - | 4.39 | 60,314 |
| Geography by Picture - D | 0 | - | 4.15 | 45,697 |
| Geography by Picture - F | 0 | - | 4.31 | 51,058 |
| Geography by Picture - G | 0 | - | 4.39 | 47,987 |
| Geography by Picture - J | 0 | - | 4.16 | 38,503 |
| Geography by Picture - K | 0 | - | 4.29 | 33,166 |
| Geography by Picture - C | 0 | - | 4.31 | 57,118 |
| Geography by Picture - L | 0 | - | 4.37 | 59,029 |
| Geography by Picture - M | 0 | - | 4.14 | 40,498 |
| Geography by Picture - P | 0 | - | 4.24 | 42,471 |
| Geography by Picture - S | 0 | - | 4.38 | 47,078 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,486 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,488 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,904 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,940 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,272 |
| Longest International Borders | 0 | - | 4.99 | 265,163 |
| Countries with Three Borders | 0 | - | 4.96 | 36,598 |
