Little Brother:
Move: "W,A,S,D"
Laser gu: "F"
Hide: "S"

Elder Brother:
Move: "ARROW KEYS"
Throw / Pick-up Box: "K"
Throw Trap: "L"
Hide: "Dow Arrow Key"

Two brothers who have opened an office to examine and search mysterious events, have received a phone call one day. The voice in the phone talks about a huge house which is haunted, wants this house to be cleaned. The two brothers make tracks for the mysterious house by preparing their stuffs. The mysterious creatures in the house, traps and puzzles will make their job harder. You should help them to clean up twenty room to finish their job.

For iOS:
Safari on iOS 8 and later supports WebGL 1.0, and on iOS 15 and later supports WebGL 2.0.

For Android：
Nearly all of them support WebGL