Under The Ghost Mountain - 鬼山之下

This is a MetroidVania like game. In this game, you can kill the skeleton enemy by one shot kill attack. Then you can earn the treasure box to get the gold. Use the gold, you can buy some book to get powerup skill. Use the skill, you may pass the game. Its a 2d action platformer game. Game skill system contains doublejump、rolling. Player can move、attack、jump、buy life by default. It has 3+ kind ghost.(now it has 3 kind). Include at least 11 levels and at least 1 chapter/theme.