The best total conversion mod for Stellaris of all times is, without doubt, the Star Trek New Horizons mod. Many venerable mods have not been updated for this version of the game and this list is going to focus only on those that are still relevant and are being updated. NOTE: This list is up to date as of April 2019 and the 2.2.6 Stellaris patch. Here is our Stellaris Top 10 best mods of all time list. They also made the game very mod friendly, so that fans had a much easier time creating an amazing amount of mods in a very short period of time. It was developed and published by Paradox Interactive, company well known for amazing strategy titles such as Hearts of iron, Crusader Kings and Europa Universalis. Stellaris is one of the finest 4x, grand strategy sci fi games ever made.