Yoshi ROM

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Yoshi, known as Mario & Yoshi in PAL regions, is a puzzle video game developed by Game Freak and published by Nintendo. It was released for the NES and Game Boy platforms. Both versions were first released simultaneously in Japan on December 14, 1991, and released in all other regions the following year. In Yoshi, the player is tasked with clearing monsters from the on-screen playing field.

The monsters fall in from the top of the screen to build vertical stacks; the player must prevent a stack from growing too high such that it exits the play field. In order to do so, the player swaps and moves the stacks about such that falling monsters collide with identical monsters stationed atop the stacks, causing them to be removed from play. Yoshi offers both a scoring-focused single-player mode and a competitive two-player mode.

Yoshi is a falling block game in which the player is given a playing field that is divided into four columns. The objective is to match Yoshi egg shells to hatch them and prevent the four stacks, which pile up from the falling monsters, from growing too tall. The player character, Mario, swaps the stacks around such that the falling monsters will be eliminated by coming into contact with the blocks they match.

Monsters, which consist of various Mario enemies, appear at the top of the screen and fall into each the columns, turning into blocks as they land and creating stacks that incrementally grow in height. The main objective is to prevent the four stacks from growing too high by eliminating blocks from the field; a game over occurs when any of the stacks crosses the black line drawn across the top of the play field.[3] A stack can hold up to eight objects in the NES version or seven in the Game Boy version.