mammoth game
Definition
An exceptionally large-scale or ambitious game, especially in video gaming or sports, characterized by vast scope, complexity, or high stakes, akin to the prehistoric elephantine beast.
A contest or challenge of monumental proportions, often used hyperbolically to emphasize its epic nature and time-consuming demands.
Examples
That open-world RPG is a true mammoth game—you'll need a survival kit just to finish the tutorial.
The championship playoffs turned into a mammoth game, with rivalries fiercer than saber-toothed tigers at a buffet.
Trying to organize my Steam library became a mammoth game of digital archaeology, unearthing titles from 2005.
Our family board game night escalated into a mammoth game of Monopoly, where alliances crumbled faster than a poorly built hotel.