[Challenge the adventure of choosing a door! A simple game to try your luck]
Completely free to play!
A luck test game where you simply choose 1/2!

[Let's conquer the infinite room while enjoying a simple yet thrilling experience]
Welcome to the world of adventure and luck!
"Half Door" invites you to a mysterious adventure with two doors.
Each room has a door that leads to the next stage and a door that leads to game over.
Choose the right door and escape the dungeon safely!
And what if you open the wrong door? ?
Please enjoy that exciting feeling!

[A game that can be recommended for these people! ]
・I want a sense of adventure and trying my luck somehow.
・I want to enjoy it as a way to kill time while commuting to work or school.
・I want to continue making relaxed choices
・I like games that are free and easy for anyone to play.
・I want to play a free luck game that is perfect for killing time.
・Looking for stress relief and healing through simple luck games
・I am looking forward to relieving my excitement and stress.
・I like games that are casual and easy to operate.
・I want a game that I can play alone rather than a competitive game.
・Looking for a relaxing game with low-poly graphics
・I'm looking for a luck test game that is easy to play and feels like a mini game.
・I want to play a luck test game that can be played for free.