A puzzle game based on rock, paper, scissors. Hands are dropped showing the rock, paper, and scissor signs and are used to remove other hands that have the opposite sign. Its Japanese name is composed of ougi (meaning secret) and jaanken, a play on the word janken (the Japanese name for the game of rock-paper-scissors) but using the characters for evil, dark and fist. However, the furigana reading above the Japanese name is Guu•Choki•Pazuru, which translates to Rock-Scissors-Puzzle.
Source: Wikipedia, "List of Ranma ½ video games", available under the CC-BY-SA License.