The Games With Official Mod Support in 2026 — and the Developers Who Built It In
Official mod support is a deliberate developer decision, and a handful of studios do it right. Here are the games whose creators actually build the tools, not just tolerate the modders.
Official mod support is not something that happens by accident. It is a deliberate choice by a studio to ship the same tools its own developers use, to document a modding API, and to keep it working across patches. In 2026, the list of studios that do it right is short, and worth knowing.
Bethesda remains the gold standard with the Creation Kit, now in its third decade across Skyrim, Fallout, and Starfield. CD Projekt RED ships two real tools — REDmod for Cyberpunk 2077 and the full REDkit editor for The Witcher 3. Larian took the same path with an official mod manager and the BG3 Toolkit that is literally the studio's internal editor. Valve built mod distribution into the Steam client itself via the Steam Workshop.
Beyond the big names, a second tier quietly does it better than most AAA studios: Wube gave Factorio an in-game mod portal and a first-class Lua API. Paradox supports Crusader Kings 3 and Cities Skylines modding directly. Mojang turned Minecraft datapacks into a supported modding path. ConcernedApe updated Stardew Valley 1.6 specifically to help modders. Klei built Don't Starve's mod support in from launch. The common thread is that modding is treated as a feature, not an afterthought.