[Update]: RimWorld's Biotech expansion is adding children, player-controlled mechanoids and gene editing.

After being suddenly announced and going through a brief round of public testing, RimWorld's second expansion Ideology has now been unleashed. As the name would suggest Ideology allows you to create your very own belief systems and then enforce them upon your colony, with this covering everything from nudist hippies to technology obsessed cannibals. There's also brand new roguelike-styled quests to spice things up, alongside new creatures, improvements, and perhaps most excitingly, a brand new ending to uncover!

You can get a pretty good idea of how all of this translates into actual gameplay, as well as how insane the whole thing can get, through the freshly posted launch trailer. Have a peek:

Much like last time around, the free update that accompanies the expansion is quite a meaty one! Update 1.3 brings with it improvements to the AI system in order to make base raids a more dangerous affair, a pens-and-fences system to help keep your animals in check, a reworked faction reputation system, combat formations, a whole bunch of quality of life tweaks, and the list goes on for a very long time.

If you're interested in all of the details you can check out the full patch notes to learn more. The developers have done a pretty good job outlining all of the major features, so I'd say it's well worth checking out if you're curious.

As for the Ideology expansion itself, you can read more about it, as well as peruse some of the user reviews, over at Steam. Enjoy!