Overall, the reviews present a highly positive view of Monster Train 2 as an improvement over the original with its expanded content and strategic depth. Players are engaged by its replayability and addictive gameplay loop, attributing many hours of enjoyment to it. However, some are dissatisfied with the story and frustrated by occasional difficulty spikes and mechanical complexities. Despite these issues, the sentiment is overwhelmingly in favor of the game, recommending it as a must-play for fans of the genre.