A nice arcade/puzzle game - 32 levels
You control princess Lina and have to catch the enemies in a magical ring. After catching an enemy you have to push the ring.

Controls:

Z, Enter = start game, jump
X, Space = create a magical ring
arrows = move
Esc = exit

No install needed


Link to Game manual in English
http://www10.plala.or.jp/bb/zac/actmanu_e.html