| All Country Flags of the World | 0 | - | 5.00 | 3,628,935 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,080 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,691 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,330 |
| Flags with Crescents | 0 | - | 4.98 | 168,398 |
| Country Flag Trivia | 0 | - | 4.81 | 56,376 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,957 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,892 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,509 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,819 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,366 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,800 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,148 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,652 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,779 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,543 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,297 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,285 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,060 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,044 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,870 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,091 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,183 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,951 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,642 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,129 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,478 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,863 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,025 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,020 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,330 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,520 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,658 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,218 |
| Flags of North and South America | 0 | - | 4.99 | 370,046 |
| Flags to Languages | 0 | - | 4.95 | 172,988 |
| Former Flags | 0 | - | 4.97 | 107,159 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,769 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,189 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,089 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,394 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,822 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,048 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,335 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,873 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,951 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,961 |
| Flag Maths | 0 | - | 4.64 | 57,704 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,908 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,181 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,604 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,531 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,375 |
| World Coats of Arms | 0 | - | 4.99 | 64,128 |
| Similar Flags #1 | 0 | - | 4.74 | 129,483 |
| Similar Flags #2 | 0 | - | 4.74 | 136,772 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,921 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,240 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,538 |
| Emoji Flags | 0 | - | 4.35 | 43,920 |
| Countries by Road Signs | 0 | - | 4.98 | 53,401 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,240 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,097 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,442 |
| Select the World Flags | 0 | - | 4.27 | 37,553 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,552 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,720 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,186 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,844 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,987 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,785 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,341 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,626 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,121 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,558 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,188 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,327 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,984 |
| Pixelated World Map | 0 | - | 5.00 | 142,863 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,747 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,726 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,044 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,060 |
| Boundary Waters | 0 | - | 4.92 | 88,220 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,959 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,641 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,796 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,107 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,024 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,610 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,973 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,148 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,713 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,239 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,983 |
| Geography by Picture - B | 0 | - | 4.42 | 55,498 |
| Geography by Picture - H | 0 | - | 4.50 | 58,113 |
| Geography by Picture - N | 0 | - | 4.45 | 42,109 |
| Geography by Picture - R | 0 | - | 4.56 | 40,933 |
| Geography by Picture - T | 0 | - | 4.54 | 57,749 |
| Flags of Oceania | 0 | - | 5.00 | 256,934 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,480 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,695 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,399 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,766 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,226 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,154,531 |
| Flags of WW1 | 0 | - | 4.60 | 38,154 |
| Landlocked Countries | 0 | - | 4.99 | 416,550 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,535 |
| Satellite Images #1 | 0 | - | 4.46 | 129,168 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,128 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,773 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,766 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,884 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,640 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,782 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,357 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,332 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,269 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,516 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,798 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,880 |
| Himalayan Countries | 0 | - | 4.95 | 136,456 |
| Andean Countries | 0 | - | 4.95 | 83,466 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,726 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,962 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,402 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,007 |
| Danube Countries | 0 | - | 4.97 | 71,384 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,194 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,841 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,133 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,092 |
| European Landlocked Countries | 0 | - | 4.99 | 146,120 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,747 |
| Countries with the Most Species | 0 | - | 4.99 | 101,315 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,880 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,325 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,502 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,152 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,800 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,176 |
| Countries in the Alps | 0 | - | 4.86 | 117,308 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,889 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,866 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,246 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,735 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,809 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,248 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,973 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,989 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,792 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,323 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,354 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,199 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,714 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,986 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,998 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,685 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,887 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,421 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,227 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,938 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,546 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,818 |
| Largest Countries By Category | 0 | - | 4.97 | 157,236 |
| Countries by Countries | 0 | - | 4.96 | 62,582 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,861 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,076 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Merged Country Flags | 0 | - | 4.88 | 106,316 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,690 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,382 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,310 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,075 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,830 |
| Merged Countries #2 | 0 | - | 4.96 | 98,704 |
| Merged Countries #6 | 0 | - | 4.90 | 72,951 |
| Merged Countries #7 | 0 | - | 4.93 | 82,210 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,035 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,627 |
| Geography by Picture - A | 0 | - | 4.39 | 60,127 |
| Geography by Picture - D | 0 | - | 4.15 | 45,555 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,863 |
| Geography by Picture - J | 0 | - | 4.16 | 38,382 |
| Geography by Picture - K | 0 | - | 4.29 | 33,055 |
| Geography by Picture - C | 0 | - | 4.31 | 56,985 |
| Geography by Picture - L | 0 | - | 4.37 | 58,847 |
| Geography by Picture - M | 0 | - | 4.14 | 40,382 |
| Geography by Picture - P | 0 | - | 4.24 | 42,352 |
| Geography by Picture - S | 0 | - | 4.38 | 46,967 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,913 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,603 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,211 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,838 |
| Longest International Borders | 0 | - | 4.99 | 264,288 |
| Countries with Three Borders | 0 | - | 4.96 | 36,341 |
