The Riot CodexRiot Codex

Patch 26.21

Oct 20, 2026

In-game app

Beta Overlay

Runes from Lab builds import when you lock in. Items from those builds show in the overlay.

Download for WindowsDownload for Mac

Mac is Apple Silicon. After it is installed, new versions update on their own.

Riot Codex overlay on Summoner's Rift showing team gold, lane gold, cooldowns, and your build
Team gold, lane gold, cooldowns, and your build, on the Rift.
Riot Codex dock of live enemy ability cooldowns
Live enemy cooldowns. Click a card to pin it to the dock.
Riot Codex list of gold bases and build items
Gold bases and the items from your Lab build.