| All Country Flags of the World | 0 | - | 5.00 | 3,606,771 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,079 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,244 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,830 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,975 |
| Flags with Crescents | 0 | - | 4.98 | 167,712 |
| Country Flag Trivia | 0 | - | 4.81 | 56,003 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,519 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,534 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,019 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,100 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,469 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,005 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,465 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,395 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,293 |
| World Coats of Arms | 0 | - | 4.99 | 63,924 |
| Flags to Languages | 0 | - | 4.95 | 172,594 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,163 |
| Geography by Picture - B | 0 | - | 4.42 | 55,430 |
| Geography by Picture - H | 0 | - | 4.49 | 58,064 |
| Geography by Picture - N | 0 | - | 4.45 | 42,059 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,692 |
| Countries by Road Signs | 0 | - | 4.98 | 53,152 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,503 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,012 |
| Geography by Picture - A | 0 | - | 4.39 | 60,064 |
| Geography by Picture - D | 0 | - | 4.15 | 45,511 |
| Geography by Picture - F | 0 | - | 4.31 | 50,841 |
| Geography by Picture - G | 0 | - | 4.38 | 47,806 |
| Geography by Picture - J | 0 | - | 4.16 | 38,344 |
| Geography by Picture - K | 0 | - | 4.28 | 33,027 |
| Geography by Picture - C | 0 | - | 4.31 | 56,924 |
| Geography by Picture - L | 0 | - | 4.37 | 58,778 |
| Geography by Picture - M | 0 | - | 4.14 | 40,353 |
| Geography by Picture - P | 0 | - | 4.24 | 42,312 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,547 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,552 |
| Flag Maths | 0 | - | 4.78 | 57,685 |
| Satellite Images #1 | 0 | - | 4.46 | 129,044 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,013 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,671 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,673 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,821 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,413 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,349 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,077 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,709 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,850 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,700 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,236 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,417 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,007 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,421 |
| Emoji Flags | 0 | - | 4.35 | 43,835 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,257 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,781 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,138 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,676 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,127 |
| Boundary Waters | 0 | - | 4.92 | 88,070 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,841 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,362 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,386 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,885 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,793 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,027 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,467 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,066 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,473 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,181 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,797 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,479 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,719 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,743 |
| Pixelated World Map | 0 | - | 5.00 | 142,512 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,478 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,803 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,886 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,656 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,378 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,880 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,317 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,721 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,816 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,573 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,862 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,982 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,170 |
| Landforms by Picture | 0 | - | 4.31 | 20,579 |
| Geography by Picture - I | 0 | - | 4.00 | 39,326 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,074 |
| Former Flags | 0 | - | 4.97 | 106,794 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,652 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,843 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,157 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,174 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,963 |
| Flags of North and South America | 0 | - | 4.99 | 367,848 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,319 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,924 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,837 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,052 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,588 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,165 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,926 |
| Select the World Flags | 0 | - | 4.27 | 37,425 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,481 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,726 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,959,249 |
| Landlocked Countries | 0 | - | 4.99 | 414,084 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,299 |
| Flags of Oceania | 0 | - | 5.00 | 255,563 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,993 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,139 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,489 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,884 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,603 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,561 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,200 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,058 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,725 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,131 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,692 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,777 |
| Himalayan Countries | 0 | - | 4.95 | 135,518 |
| Andean Countries | 0 | - | 4.94 | 82,915 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,289 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,312 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,986 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,662 |
| Danube Countries | 0 | - | 4.97 | 71,122 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,826 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,587 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,586 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,491 |
| European Landlocked Countries | 0 | - | 4.99 | 145,815 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,281 |
| Countries with the Most Species | 0 | - | 4.99 | 95,273 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,428 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,215 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,982 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,608 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,991 |
| Countries in the Alps | 0 | - | 4.86 | 116,908 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,622 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,347 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,466 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,232 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,633 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,803 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,475 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,108 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,208 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,073 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,485 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,798 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,785 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,163 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,696 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,283 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,837 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,552 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,834 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,629 |
| Largest Countries By Category | 0 | - | 4.97 | 156,844 |
| Countries by Countries | 0 | - | 4.96 | 62,309 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,482 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,979 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,346 |
| Merged Country Flags | 0 | - | 4.88 | 106,071 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,851 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,164 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,073 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,819 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,920 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,116 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,671 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,766 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,502 |
| Geography by Picture - O | 0 | - | 4.00 | 28,056 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,607 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,596 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,251 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,465 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,560 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,663 |
| Longest International Borders | 0 | - | 4.99 | 263,747 |
| Countries with Three Borders | 0 | - | 4.96 | 36,215 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,623 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,714 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,874 |
| Demonym of Every Country | 0 | - | 4.91 | 58,688 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,195 |
| Islands by Picture | 0 | - | 4.29 | 105,989 |
