| 6843 | 3.1.5 Contact 联系 | 未定级 | | | | | | |
| 6844 | 3.1.6 Stamps 邮票 | 未定级 | | | | | | |
| 6845 | 3.2.1 Factorials 阶乘 | 未定级 | | | | | | |
| 6846 | 3.2.2 Stringsobits01 串 | 未定级 | | | | | | |
| 6847 | 3.2.3 Spinning Wheels 纺车的轮子 | 未定级 | | | | | | |
| 6848 | 3.2.4 Feed Ratios 饲料调配 | 未定级 | | | | | | |
| 6849 | 3.2.5 Magic Squares 魔 板 | 未定级 | | | | | | |
| 6850 | 3.2.6 Sweet Butter 香甜的黄油 | 未定级 | | | | | | |
| 6852 | 3.3.2 Shopping Offers 商店购物 | 未定级 | | | | | | |
| 6853 | 3.3.3 Camelot 亚瑟王的宫殿 | 未定级 | | | | | | |
| 6854 | 3.3.4 Home on the Range 家的范围 | 未定级 | | | | | | |
| 6855 | 3.3.5 A Game 游戏 | 未定级 | | | | | | |
| 6856 | 3.4.1 Closed Fences 闭合的栅栏 | 未定级 | | | | | | |
| 6857 | 3.4.2 American Heritage 美国血统 | 未定级 | | | | | | |
| 6858 | 3.4.3 Electric Fences 电 网 | 未定级 | | | | | | |
| 6859 | 3.4.4 Raucous Rockers“破锣摇滚”乐队 | 未定级 | | | | | | |
| 6860 | 4.1.1 Beef McNuggets 麦香牛块 | 未定级 | | | | | | |
| 6861 | 4.1.2 Fence Rails 栅栏的木料 | 未定级 | | | | | | |
| 6862 | 4.1.3 Fence Loops 篱笆回路 | 未定级 | | | | | | |
| 6863 | 4.1.4Cryptcowgraphy 解密牛语 | 未定级 | | | | | | |
| 6864 | 4.2.1 Drainage Ditches 草地排水 | 未定级 | | | | | | |
| 6865 | 4.2.2 The Perfect Stall 完美的牛栏 | 未定级 | | | | | | |
| 6866 | 4.2.3 Job Processing 工序安排 | 未定级 | | | | | | |
| 6867 | 4.2.4 Cowcycles 奶牛自行车 | 未定级 | | | | | | |
| 6868 | 4.3.1 Buy Low,Buy Lower 逢低吸纳 | 未定级 | | | | | | |
| 6869 | 4.3.2The Primes 素数方阵 | 未定级 | | | | | | |
| 6870 | 4.3.3 Street Race 街道赛跑 | 未定级 | | | | | | |
| 6871 | 4.3.4 Letter Game 字母游戏 | 未定级 | | | | | | |
| 6873 | 4.4.1Shuttle Puzzle 棋盘游戏 | 未定级 | | | | | | |
| 6874 | 4.4.2Pollutant Control 追查坏牛奶 | 未定级 | | | | | | |
| 6875 | 4.4.3Frame Up 重叠的图像 | 未定级 | | | | | | |
| 6876 | 5.1.1Fencing the Cows 圈奶牛 | 未定级 | | | | | | |
| 6877 | 5.1.2Starry Night 夜空繁星 | 未定级 | | | | | | |
| 6878 | 5.1.3Musical Themes 乐曲主题 | 未定级 | | | | | | |
| 6879 | 5.2.1Snail Trails 蜗牛的旅行 | 未定级 | | | | | | |
| 6880 | 5.2.2Electric Fences 电网 | 未定级 | | | | | | |
| 6881 | 5.2.3Wisconsin Squares 威斯康星州的牧场 | 未定级 | | | | | | |
| 6882 | 5.3.1Milk Measuring 量取牛奶 | 未定级 | | | | | | |
| 6883 | 5.3.2Window Area 窗体面积 | 未定级 | | | | | | |
| 6884 | 5.3.3Network of Schools 校园网 | 未定级 | | | | | | |
| 6885 | 5.3.4Big Barn 巨大的牛棚 | 未定级 | | | | | | |
| 6886 | 5.4.1All Latin Squares 拉丁正方形 一种正方形的数字编排 | 未定级 | | | | | | |
| 6887 | 5.4.2Canada Tour 周游加拿大 | 未定级 | | | | | | |
| 6888 | 5.4.3Character Recognition 字符识别 | 未定级 | | | | | | |
| 6889 | 5.4.4Betsy's Tour 漫游小镇 | 未定级 | | | | | | |
| 6890 | 5.4.5Telecowmunication 奶牛的电信 | 未定级 | | | | | | |
| 6891 | 5.5.1 Picture 矩形周长 | 未定级 | | | | | | |
| 6892 | 5.5.2 Hidden Password 隐藏口令 | 未定级 | | | | | | |
| 6893 | 5.5.3 Two Five 二五语言 | 未定级 | | | | | | |
| 6894 | 6.1.1 Postal Vans 邮政货车 | 未定级 | | | | | | |