The XCOM series comprises some of the best strategy games on PC, yet its modern iterations of 2012's Enemy Unknown and 2016's XCOM 2 are a little different from the likewise excellent origins of X-COM in the '90s. Sticking more closely to those old games is Goldhawk Interactive's excellent Xenonauts 2, published by indie strategy house Hooded Horse. Its latest update, just released on Steam, brings some new threats to the battlefield, alongside a new way to help deal with them.
RELATED LINKS:
This classic XCOM like has just had its biggest Steam update yet
Several top indie strategy games are going cheap in new holiday sale
Grab several top indie strategy games cheap in this Steam sale