Here is the full list of all 49 Hentai Waifu 101 achievements.
Begin the Game
First Headshot
Use Buy machine
10 Headshots in the same game
20 Headshots in the same game
30 Headshots in the same game
40 Headshots in the same game
50 Headshots in the same game
60 Headshots in the same game
70 Headshots in the same game
80 Headshots in the same game
90 Headshots in the same game
100 Headshots in the same game
Level 1 Completed
Level 2 Completed
Level 3 Completed
Level 4 Completed
Level 5 Completed
Level 6 Completed
Level 7 Completed
Level 8 Completed
Level 9 Completed
Level 10 Completed
10 Kills in GunSwap Mode
20 Kills in GunSwap Mode
30 Kills in GunSwap Mode
40 Kills in GunSwap Mode
50 Kills in GunSwap Mode
60 Kills in GunSwap Mode
70 Kills in GunSwap Mode
80 Kills in GunSwap Mode
90 Kills in GunSwap Mode
100 Kills in GunSwap Mode
10 Kills in Endless Mode
20 Kills in Endless Mode
30 Kills in Endless Mode
40 Kills in Endless Mode
50 Kills in Endless Mode
60 Kills in Endless Mode
70 Kills in Endless Mode
80 Kills in Endless Mode
90 Kills in Endless Mode
100 Kills in Endless Mode
Kill 10 Chickens
Collect 7 GoldBags
Kill 10 Barghests
Collect 7 Purse
Kill 7 Sheep
Collect 7 Barrel