| Former Countries by Territory Map | 0 | - | 4.96 | 102,925 |
| Empires by Maps | 0 | - | 4.98 | 120,662 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,301 |
| Name that Object #1 | 0 | - | 3.57 | 96,515 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,470 |
| Play-Doh People from History | 0 | - | 4.99 | 94,889 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,664 |
| All Country Flags of the World | 0 | - | 5.00 | 3,670,244 |
| Years in History by Picture | 0 | - | 4.44 | 35,557 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,984 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,194 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,418 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,789 |
| Old Movies by Picture | 0 | - | 4.51 | 25,118 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,073 |
| Name that Object #2 | 0 | - | 3.64 | 15,458 |
| Name that Object #3 | 0 | - | 3.93 | 14,413 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,565 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,582 |
| Flags with Crescents | 0 | - | 4.98 | 169,768 |
| Country Flag Trivia | 0 | - | 4.81 | 57,146 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,915 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,618 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,556 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,358 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,312 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,902 |
| Random Logos Quiz | 0 | - | 4.31 | 208,578 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,023 |
| National Football Team Logos | 0 | - | 4.85 | 180,522 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,467 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,085 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,029 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,626 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,846 |
| Fruits by Picture | 0 | - | 4.19 | 807,567 |
| Geography by Picture - B | 0 | - | 4.42 | 55,638 |
| Geography by Picture - H | 0 | - | 4.50 | 58,258 |
| 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 | 57,875 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,268 |
| Flags to Languages | 0 | - | 4.95 | 173,743 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,523 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,208 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,602 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,089 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,493 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,340 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,805 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,162 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,424 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,528 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,093 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,816 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,729 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,602 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,801 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,688 |
| Name that Bug | 0 | - | 4.12 | 45,573 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,389 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,002 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,732 |
| Elements by Picture | 0 | - | 4.27 | 70,002 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,347 |
| Islands by Picture | 0 | - | 4.28 | 107,088 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,289 |
| Geography by Picture - A | 0 | - | 4.39 | 60,290 |
| Geography by Picture - D | 0 | - | 4.15 | 45,681 |
| Geography by Picture - F | 0 | - | 4.31 | 51,035 |
| Geography by Picture - G | 0 | - | 4.39 | 47,974 |
| Geography by Picture - J | 0 | - | 4.16 | 38,489 |
| Geography by Picture - K | 0 | - | 4.29 | 33,154 |
| Geography by Picture - C | 0 | - | 4.31 | 57,104 |
| Geography by Picture - L | 0 | - | 4.37 | 59,000 |
| Geography by Picture - M | 0 | - | 4.14 | 40,485 |
| Geography by Picture - P | 0 | - | 4.24 | 42,454 |
| Geography by Picture - S | 0 | - | 4.38 | 47,065 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,145 |
| Movie Logos | 0 | - | 4.33 | 238,711 |
| History by Picture - A | 0 | - | 4.26 | 45,870 |
| History by Picture - B | 0 | - | 4.40 | 49,049 |
| History by Picture - C | 0 | - | 4.36 | 54,552 |
| History by Picture - F | 0 | - | 4.35 | 37,941 |
| History by Picture - G | 0 | - | 4.40 | 42,196 |
| History by Picture - D | 0 | - | 4.29 | 44,371 |
| History by Picture - E | 0 | - | 4.25 | 43,991 |
| History by Picture - H | 0 | - | 4.37 | 36,844 |
| History by Picture - K | 0 | - | 4.35 | 33,407 |
| History by Picture - M | 0 | - | 4.17 | 36,190 |
| History by Picture - N | 0 | - | 4.40 | 41,313 |
| History by Picture - O | 0 | - | 4.39 | 36,364 |
| History by Picture - T | 0 | - | 4.20 | 33,353 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,202 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,327 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,690 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,270 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,897 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,481 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,048 |
| International Footballers by Picture | 0 | - | 4.50 | 55,730 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,765 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,797 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,869 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,670 |
| Flag Maths | 0 | - | 4.64 | 57,774 |
| Satellite Images #1 | 0 | - | 4.47 | 129,416 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,342 |
| 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 | 39,010 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,077 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,069 |
| Soccer Team Logos | 0 | - | 4.26 | 374,908 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,222 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,457 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,349 |
| Foods by Picture | 0 | - | 3.81 | 226,169 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,427 |
| Christmas by Picture | 0 | - | 4.26 | 28,190 |
| Hats by Picture | 0 | - | 4.21 | 17,971 |
| Weapons by Picture | 0 | - | 4.13 | 21,076 |
| Cars by Picture | 0 | - | 3.89 | 41,545 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,304 |
| Plants by Picture | 0 | - | 4.24 | 14,464 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,926 |
| Women in History by Picture | 0 | - | 4.25 | 25,937 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,792 |
| Geography by Picture - E | 0 | - | 3.55 | 47,403 |
| Landforms by Picture | 0 | - | 4.31 | 20,688 |
| Geography by Picture - I | 0 | - | 4.00 | 39,449 |
| Geography by Picture - O | 0 | - | 4.01 | 28,158 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,669 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,523 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,252 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,723 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,471 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,993 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,175 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,019 |
| History by Picture - I | 0 | - | 4.24 | 26,270 |
| History by Picture - J | 0 | - | 4.18 | 26,776 |
| History by Picture - L | 0 | - | 4.18 | 30,830 |
| History by Picture - P | 0 | - | 4.08 | 25,328 |
| History by Picture - Q | 0 | - | 4.03 | 22,120 |
| History by Picture - R | 0 | - | 4.13 | 26,891 |
| History by Picture - S | 0 | - | 4.14 | 27,825 |
| History by Picture - U | 0 | - | 4.24 | 25,175 |
| History by Picture - V | 0 | - | 4.30 | 25,156 |
| History by Picture - W | 0 | - | 4.01 | 21,676 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,380 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,431 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,047 |
| Flowers by Picture | 0 | - | 4.46 | 105,680 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,800 |
| Authors by Picture | 0 | - | 4.48 | 25,545 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 90,012 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,844 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,905 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,065 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,932 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,585 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,507 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,185 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,165 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,716 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,280 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,254 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,476 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,466 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,212 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,785 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,489 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,495 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,648 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,191 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,563 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,271 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,407 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,967 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,580 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,007 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,067 |
| Emoji Flags | 0 | - | 4.35 | 44,123 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,918 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,099 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,420 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,494 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,816 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,830 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,697 |
| Airline Logos | 0 | - | 4.45 | 140,843 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,424,970 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,534 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,176 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,961 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,737 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,093 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,660 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,273 |
