| All Country Flags of the World | 0 | - | 5.00 | 3,624,009 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,288 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,276 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,020 |
| Flags with Crescents | 0 | - | 4.98 | 168,229 |
| Country Flag Trivia | 0 | - | 4.81 | 56,263 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,830 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,785 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,377 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,315 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,685 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,059 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,524 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,708 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,397 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,205 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,147 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,001 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,991 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,787 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,032 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,121 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,890 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,596 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,073 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,442 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,830 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,984 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,965 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,269 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,459 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,592 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,193 |
| Flags of North and South America | 0 | - | 4.99 | 369,607 |
| Flags to Languages | 0 | - | 4.95 | 172,910 |
| Former Flags | 0 | - | 4.97 | 107,077 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,744 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,182 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,035 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,329 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,805 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,617 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,292 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,845 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,859 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,878 |
| Flag Maths | 0 | - | 4.63 | 57,699 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,833 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,145 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,571 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,508 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,359 |
| World Coats of Arms | 0 | - | 4.99 | 64,087 |
| Similar Flags #1 | 0 | - | 4.74 | 129,421 |
| Similar Flags #2 | 0 | - | 4.74 | 136,699 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,829 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,173 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,430 |
| Emoji Flags | 0 | - | 4.35 | 43,903 |
| Countries by Road Signs | 0 | - | 4.98 | 53,340 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,213 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,090 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 23,066 |
| Select the World Flags | 0 | - | 4.27 | 37,524 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,505 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,706 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,163 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,815 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,961 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,772 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,324 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,580 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,103 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,531 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,134 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,160 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,314 |
| Pixelated World Map | 0 | - | 5.00 | 142,794 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,098 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,674 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,985 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,042 |
| Boundary Waters | 0 | - | 4.92 | 88,182 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,930 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,576 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,707 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,056 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,970 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,543 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,961 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,133 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,697 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,224 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,977 |
| Geography by Picture - B | 0 | - | 4.42 | 55,485 |
| Geography by Picture - H | 0 | - | 4.50 | 58,101 |
| Geography by Picture - N | 0 | - | 4.45 | 42,096 |
| Geography by Picture - R | 0 | - | 4.56 | 40,923 |
| Geography by Picture - T | 0 | - | 4.54 | 57,733 |
| Flags of Oceania | 0 | - | 5.00 | 256,608 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,383 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,659 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,346 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,722 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,155 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,112,341 |
| Flags of WW1 | 0 | - | 4.60 | 38,115 |
| Landlocked Countries | 0 | - | 4.99 | 415,986 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 560,000 |
| Satellite Images #1 | 0 | - | 4.46 | 129,146 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,108 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,752 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,747 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,871 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,590 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,776 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,318 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,264 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,193 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,452 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,585 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,590 |
| Himalayan Countries | 0 | - | 4.95 | 136,217 |
| Andean Countries | 0 | - | 4.95 | 83,304 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,594 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,806 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,298 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,918 |
| Danube Countries | 0 | - | 4.97 | 71,332 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,103 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,783 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,010 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,964 |
| European Landlocked Countries | 0 | - | 4.99 | 146,043 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,652 |
| Countries with the Most Species | 0 | - | 4.99 | 96,773 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,792 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,295 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,471 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,110 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,758 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,128 |
| Countries in the Alps | 0 | - | 4.86 | 117,244 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,835 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,742 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,208 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,660 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,514 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,202 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,896 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,947 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,748 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,278 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,322 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,178 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,673 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,934 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,942 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,606 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,849 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,383 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,127 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,650 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,408 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,778 |
| Largest Countries By Category | 0 | - | 4.97 | 157,168 |
| Countries by Countries | 0 | - | 4.96 | 62,524 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,781 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,059 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,396 |
| Merged Country Flags | 0 | - | 4.88 | 106,272 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,524 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,350 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,276 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,030 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,972 |
| Merged Countries #2 | 0 | - | 4.96 | 98,660 |
| Merged Countries #6 | 0 | - | 4.90 | 72,913 |
| Merged Countries #7 | 0 | - | 4.93 | 82,151 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,970 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,604 |
| Geography by Picture - A | 0 | - | 4.39 | 60,114 |
| Geography by Picture - D | 0 | - | 4.15 | 45,550 |
| Geography by Picture - F | 0 | - | 4.31 | 50,882 |
| Geography by Picture - G | 0 | - | 4.38 | 47,854 |
| Geography by Picture - J | 0 | - | 4.16 | 38,373 |
| Geography by Picture - K | 0 | - | 4.29 | 33,047 |
| Geography by Picture - C | 0 | - | 4.31 | 56,978 |
| Geography by Picture - L | 0 | - | 4.37 | 58,832 |
| Geography by Picture - M | 0 | - | 4.14 | 40,374 |
| Geography by Picture - P | 0 | - | 4.24 | 42,342 |
| Geography by Picture - S | 0 | - | 4.38 | 46,957 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,796 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,308 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,583 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,069 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,809 |
| Longest International Borders | 0 | - | 4.99 | 264,225 |
| Countries with Three Borders | 0 | - | 4.96 | 36,317 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,745 |
