摘要：Select a slot to save the game.your progresswill be saved automatically after each level and at the checkpoints on some levels.YOU

Select a slot to save the game.your progresswill be saved automatically after each level and at the checkpoints on some levels.

YOUR CURRENT PROGRESS WILL BE LOST.

SELECT DIFFICULTY.

ADVANCED EFFECTS.

enables semitransparency and color blending effects.

SMOOTH ROTATIONS.

enables smooth rotation effect for rotating sprites.

player 1 status.

来源：游戏探究员