| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,170 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,306 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,692 |
| All Country Flags of the World | 0 | - | 5.00 | 3,643,053 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,393 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,598 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,103 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,225 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,516 |
| Flags with Crescents | 0 | - | 4.98 | 168,891 |
| Country Flag Trivia | 0 | - | 4.81 | 56,678 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,302 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,151 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,905 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,548 |
| Satellite Images #1 | 0 | - | 4.46 | 129,258 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,214 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,836 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,834 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,918 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,635 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,424 |
| World Coats of Arms | 0 | - | 4.99 | 64,275 |
| Flags to Languages | 0 | - | 4.95 | 173,284 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,266 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,942 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,049 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,837 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,401 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,352 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,767 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,832 |
| Geography by Picture - B | 0 | - | 4.42 | 55,545 |
| Geography by Picture - H | 0 | - | 4.50 | 58,169 |
| Geography by Picture - N | 0 | - | 4.45 | 42,156 |
| Geography by Picture - R | 0 | - | 4.56 | 40,970 |
| Geography by Picture - T | 0 | - | 4.54 | 57,787 |
| Countries by Road Signs | 0 | - | 4.98 | 53,580 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,215 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,141 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,173 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,808 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,014 |
| Geography by Picture - A | 0 | - | 4.39 | 60,183 |
| Geography by Picture - D | 0 | - | 4.15 | 45,599 |
| Geography by Picture - F | 0 | - | 4.31 | 50,933 |
| Geography by Picture - G | 0 | - | 4.38 | 47,902 |
| Geography by Picture - J | 0 | - | 4.16 | 38,419 |
| Geography by Picture - K | 0 | - | 4.29 | 33,084 |
| Geography by Picture - C | 0 | - | 4.31 | 57,022 |
| Geography by Picture - L | 0 | - | 4.37 | 58,888 |
| Geography by Picture - M | 0 | - | 4.14 | 40,412 |
| Geography by Picture - P | 0 | - | 4.24 | 42,388 |
| Geography by Picture - S | 0 | - | 4.38 | 46,999 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,707 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,797 |
| Flag Maths | 0 | - | 4.64 | 57,737 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,785 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,775 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,201 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,660 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,018 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,581 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,818 |
| Largest City by Island | 0 | - | 4.87 | 71,579 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,171 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,452 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,971 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,980 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,889 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,579 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,670 |
| African Island Countries | 0 | - | 4.96 | 101,345 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,248 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,235 |
| Pixelated World Map | 0 | - | 5.00 | 143,073 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,111 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,273 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,367 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,127 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,831 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,290 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,590 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,968 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,166 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,208 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,501 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,725 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,825 |
| Islands by Country #1 | 0 | - | 4.88 | 175,012 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,319 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,524 |
| Flags of North and South America | 0 | - | 4.99 | 371,458 |
| Emoji Flags | 0 | - | 4.35 | 43,988 |
| Former Flags | 0 | - | 4.97 | 107,392 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,720 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,830 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,251 |
| Geography by Picture - E | 0 | - | 3.55 | 47,341 |
| Landforms by Picture | 0 | - | 4.31 | 20,642 |
| Geography by Picture - I | 0 | - | 4.00 | 39,384 |
| Geography by Picture - O | 0 | - | 4.01 | 28,104 |
| Richest Island Countries | 0 | - | 4.84 | 100,210 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,599 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,203 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,828 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,292 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,018 |
| Flags of Oceania | 0 | - | 5.00 | 257,817 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,804 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,799 |
| Select the World Flags | 0 | - | 4.27 | 37,641 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,649 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,750 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,586 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,949 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,424 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,871 |
| Boundary Waters | 0 | - | 4.92 | 88,342 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,052 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,836 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,066 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,287 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,209 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,635 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,509 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,982 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,201 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,663 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,277,601 |
| Landlocked Countries | 0 | - | 4.99 | 418,113 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 565,906 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,801 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,226 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,787 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,292 |
| Islands by Picture | 0 | - | 4.29 | 106,619 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,468 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,547 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,559 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,782 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,252 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,632 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,374 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,377 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,686 |
| Island Countries | 0 | - | 4.99 | 709,413 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,574 |
| Himalayan Countries | 0 | - | 4.94 | 137,069 |
| Andean Countries | 0 | - | 4.95 | 83,751 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,999 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,376 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,670 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,245 |
| Danube Countries | 0 | - | 4.97 | 71,570 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,428 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,978 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,498 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,552 |
| European Landlocked Countries | 0 | - | 4.99 | 146,676 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,007 |
| Countries with the Most Species | 0 | - | 4.99 | 102,769 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,150 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,394 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,556 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,254 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,924 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,306 |
| Countries in the Alps | 0 | - | 4.87 | 117,570 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,046 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,207 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,364 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,900 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,012 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,389 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,174 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,119 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,921 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,483 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,441 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Asian Island Nations | 0 | - | 4.63 | 94,047 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,864 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,125 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,149 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,013 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,001 |
| Similar Flags #1 | 0 | - | 4.74 | 129,694 |
| Similar Flags #2 | 0 | - | 4.74 | 137,001 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,524 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,414 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,921 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,038 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,932 |
| Largest Countries By Category | 0 | - | 4.97 | 157,518 |
| Countries by Countries | 0 | - | 4.96 | 62,766 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,096 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,133 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,186 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,452 |
