Planetary Annihilation was made by some of the people who worked on Total Annihilation:
https://store.steampowered.com/app/386070/Planetary_Annihila...
https://en.wikipedia.org/wiki/Planetary_Annihilation
More than just a spiritual successor, imo.
https://store.steampowered.com/app/386070/Planetary_Annihila...
https://en.wikipedia.org/wiki/Planetary_Annihilation
More than just a spiritual successor, imo.