Complex sentence: The game released to mostly positive reviews from critics, bsuffering from significant technical problems upon release, but proved a commercial success, surpassing all other games in the "Total War" series in both sales and number of concurrent players on its release day.
Split into simpler sentences: The game released to mostly positive reviews from critics, but suffered from significant technical problems upon release. However, it proved a commercial success, surpassing all other games in the "Total War" series in both sales and number of concurrent players on its release day.