Safari Hunt is a video game developed and manufactured by Sega for the Master System in 1986. It is a Light-gun game and requires the Sega Light Phaser to play. It was released as a built in game in Version 2.4 of the Master System BIOS.
The three levels and animals included in each are:
Lake Duck, Fish and Rabbit Jungle Bird, Armadillo and Bear Forest Spider, Monkey, Bat and Panther
The three levels repeat until level 69 at which the final required score is one million points. The player is told that he or she has made it to the end of the game and is given a "Game Over" screen.
Source: Wikipedia, "Safari Hunt", available under the CC-BY-SA License.