Here is the full list of all 15 Higurashi When They Cry Hou - there are Ch.2 Watanagashi achievements.
Complete Watanagashi.
Enjoy Watanagashi's after-party.
Learn the truth.
Discover what's in the storehouse.
Form an alliance.
Go home already.
Demand the truth.
Twisted Sisters
Read all TIPS in Watanagashi.
Figure out the twins.
Help set up for the festival.
Finish a Sunday of fun and games.
Meet Shion.
Get an unexpected delivery.
Get rescued.