The Oregon Trail (1971 video game)

https://en.wikipedia.org/wiki/The_Oregon_Trail_(1971_video_game)

Rawitsch, Heinemann, and Dillenberger, 3 December 1971; about 12 rounds of two weeks; per-round food consumption choice and typed hunting; one or two random events and weather per round; starvation, cold, or untreated illness kill.

The Oregon Trail, Survival meters, Turn structure