| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,971 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,755 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,995 |
| All Country Flags of the World | 0 | - | 5.00 | 3,670,069 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,663 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,159 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,391 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,777 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,816 |
| Flags with Crescents | 0 | - | 4.98 | 169,759 |
| Country Flag Trivia | 0 | - | 4.81 | 57,141 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,908 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,614 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,553 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,900 |
| Satellite Images #1 | 0 | - | 4.47 | 129,414 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,341 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,948 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,960 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,009 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,803 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,522 |
| World Coats of Arms | 0 | - | 4.99 | 64,604 |
| Flags to Languages | 0 | - | 4.95 | 173,738 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,486 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,176 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,263 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,955 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,536 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,419 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,830 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,074 |
| Geography by Picture - B | 0 | - | 4.42 | 55,637 |
| Geography by Picture - H | 0 | - | 4.50 | 58,257 |
| Geography by Picture - N | 0 | - | 4.45 | 42,224 |
| Geography by Picture - R | 0 | - | 4.56 | 41,047 |
| Geography by Picture - T | 0 | - | 4.54 | 57,874 |
| Countries by Road Signs | 0 | - | 4.98 | 53,887 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,666 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,181 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,301 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,163 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,086 |
| Geography by Picture - A | 0 | - | 4.39 | 60,290 |
| Geography by Picture - D | 0 | - | 4.15 | 45,680 |
| Geography by Picture - F | 0 | - | 4.31 | 51,035 |
| Geography by Picture - G | 0 | - | 4.39 | 47,973 |
| Geography by Picture - J | 0 | - | 4.16 | 38,489 |
| Geography by Picture - K | 0 | - | 4.29 | 33,153 |
| Geography by Picture - C | 0 | - | 4.31 | 57,103 |
| Geography by Picture - L | 0 | - | 4.37 | 58,999 |
| Geography by Picture - M | 0 | - | 4.14 | 40,485 |
| Geography by Picture - P | 0 | - | 4.24 | 42,453 |
| Geography by Picture - S | 0 | - | 4.38 | 47,064 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,044 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,663 |
| Flag Maths | 0 | - | 4.64 | 57,771 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,065 |
| Countries by Picture #1 | 0 | - | 4.51 | 116,798 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,749 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,914 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,693 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,552 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,229 |
| Largest City by Island | 0 | - | 4.87 | 71,953 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,974 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,188 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,679 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,434 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,548 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,223 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,385 |
| African Island Countries | 0 | - | 4.96 | 101,712 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,682 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,627 |
| Pixelated World Map | 0 | - | 5.00 | 143,484 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,598 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,636 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,733 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,509 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,166 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,601 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,758 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,165 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,441 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,517 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,852 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,062 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,158 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,999 |
| Islands by Country #1 | 0 | - | 4.88 | 175,348 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,503 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,937 |
| Flags of North and South America | 0 | - | 4.99 | 373,536 |
| Emoji Flags | 0 | - | 4.35 | 44,121 |
| Former Flags | 0 | - | 4.97 | 107,823 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,020 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,979 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,528 |
| Geography by Picture - E | 0 | - | 3.55 | 47,403 |
| Landforms by Picture | 0 | - | 4.31 | 20,687 |
| Geography by Picture - I | 0 | - | 4.00 | 39,449 |
| Geography by Picture - O | 0 | - | 4.01 | 28,158 |
| Richest Island Countries | 0 | - | 4.85 | 100,628 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,549 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,948 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,445 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,018 |
| Flags of Oceania | 0 | - | 5.00 | 259,753 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,458 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,942 |
| Select the World Flags | 0 | - | 4.27 | 37,783 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,956 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,886 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,922 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,279 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,838 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,998 |
| Boundary Waters | 0 | - | 4.92 | 88,506 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,195 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,159 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,546 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,509 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,470 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,323 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,796 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,217 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,653 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,706 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,504,825 |
| Landlocked Countries | 0 | - | 4.99 | 421,042 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,021 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,831 |
| World Capitals Quiz | 0 | - | 5.00 | 5,077,533 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,771,482 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,388 |
| Islands by Picture | 0 | - | 4.28 | 107,084 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,647 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,903 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,250 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,267 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,747 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,002 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,953 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,236 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,626 |
| Island Countries | 0 | - | 4.99 | 710,667 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,004 |
| Himalayan Countries | 0 | - | 4.95 | 138,310 |
| Andean Countries | 0 | - | 4.93 | 84,379 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,599 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,515 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,230 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,631 |
| Danube Countries | 0 | - | 4.97 | 71,903 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,881 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,303 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,096 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,569 |
| European Landlocked Countries | 0 | - | 4.99 | 147,034 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,463 |
| Countries with the Most Species | 0 | - | 4.99 | 103,152 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,617 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,535 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,676 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,470 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,152 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,559 |
| Countries in the Alps | 0 | - | 4.87 | 118,043 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,349 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,837 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,579 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,506 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,382 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,874 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,540 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,402 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,112 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,748 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,587 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,447 |
| Asian Island Nations | 0 | - | 4.63 | 94,216 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,119 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,385 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,420 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,669 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,217 |
| Similar Flags #1 | 0 | - | 4.75 | 130,132 |
| Similar Flags #2 | 0 | - | 4.74 | 137,416 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,728 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,889 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,469 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,824 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,143 |
| Largest Countries By Category | 0 | - | 4.97 | 158,019 |
| Countries by Countries | 0 | - | 4.96 | 63,085 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,541 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,238 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,665 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,529 |
