Universal Tower Defense Tier List & Trading Values

Launch the game and look for the blue ticket icon labeled "Codes" on the right side of the screen. Click it, type or paste the code exactly as it appears on our list, and hit the Redeem button.

This usually means the code has expired or you made a typo. UTD codes are case-sensitive, so make sure to copy them exactly (or just click our copy button!). If the code is correct but still shows "Code doesn't exist", the developers have disabled it. We move these to the "Expired Codes" list as soon as we verify they stop working.

Trait Rerolls (sometimes referred to as Crystals by the community) are valuable items used to change the random traits of your units on the "Units" screen. Rerolling can give you powerful traits like Godly or Hyper that boost your unit's damage or range.

No. We are a fan-made community resource. We are not affiliated with Roblox or the Universal Tower Defense developers. We just love the game and want to help the community!

The official trading system hasn't been announced yet. Keep an eye on the game's official Discord and social media for updates! In the meantime, our value estimates are based on community perception and unit rarity to help you prepare for when trading does arrive.

Our values are community-driven estimates based on rarity, unit power, and player demand. They are NOT official values. Actual trading values may vary depending on supply, demand, and individual player preferences. Use these as a general guide, not absolute prices!

The "Total Value" displayed is a fairness coefficient, not an amount of Gems or Gold. It's a calculated score designed to help you compare two offers directly. If the Total Values of both sides are close (e.g., within 10%), the trade is generally considered fair. It does not represent real money value.

The built-in multipliers in our Trade Calculator are updated periodically based on game version updates and community trading activity. We monitor drop rate changes, new unit releases, and market trends to keep the calculator as accurate as possible. However, all results should be treated as a general reference rather than guaranteed values.

That's awesome! Head over to our Contact Page and send us the code. We'll verify it and add it to the site as soon as possible. You'll be helping the entire UTD community! 🎉

Bookmark this page! We check for new codes daily. You can also follow the official game social media accounts or join their Discord server for official announcements.