Tinertia-codex-update-v2-0-gauntlet-mode-and-skins -

There are dedicated Gauntlet leaderboards. Since this mode tracks your total time across the entire game, efficiency and route-planning are more important here than in individual level sprints. Pro-Tips for Gauntlet Runs:

In Gauntlet, a "safe" finish is often better than a risky shortcut that might cost you a life. tinertia-codex-update-v2-0-gauntlet-mode-and-skins

The "Codex" itself is a new UI overhaul that tracks your global progress. There are dedicated Gauntlet leaderboards

It provides a bird's-eye view of which levels you've mastered, which skins you've unlocked, and your standing on the global leaderboards. which skins you've unlocked

You can change your skin in the Main Menu or the Pause Menu under the "Customization" or "Codex" tab.