Tower Defense Simulator Auto Upgrade Script

Working No Key 4.7

tower-defense-simulator-auto-upgrade.lua

-- Tower Defense Simulator Auto Upgrade | blox.sh
-- Updated: July 2026
loadstring(game:HttpGet(
  "https://blox.sh/raw/tower-defense-simulator/auto-upgrade-script.lua"
))()

You need a script executor to run this. Get a free one →

How to use this script

1 Get a script executor. Roblox scripts only run inside an executor. If you don't have one, grab a free working executor here.

2 Copy the script using the Copy button above (or Download the .lua file).

3 Open Tower Defense Simulator, attach your executor, paste the script, and press Execute. The menu opens in-game.

What this script does

Automatic tower upgrades

Upgrades your towers automatically as soon as you have enough cash in Tower Defense Simulator.

Prioritizes strongest towers

Focuses upgrades on your highest damage or most strategic towers first to maximize defense.

Real-time cash detection

Monitors your in-game cash to trigger upgrades instantly without manual input.

Supports multiple tower types

Works with all tower types available in Tower Defense Simulator, ensuring full coverage.

Easy toggle on/off

Turn the auto upgrade function on or off quickly during your rounds for flexible control.

New to this? Learn what Auto Upgrade is and how it works

How it works

The Tower Defense Simulator auto upgrade script constantly monitors your available in-game cash and automatically upgrades your towers whenever it detects you have enough funds. This removes the need for manual clicking and lets you focus on placing towers and strategizing.

It prioritizes upgrading your strongest towers first, ensuring your defense remains optimal throughout the rounds. The script is designed to support all tower types and can be toggled on or off at any time during gameplay for convenience.

Frequently asked questions

Does the auto upgrade script upgrade all towers or only specific ones?

The script upgrades all towers you have placed, but it prioritizes the ones with the highest damage or strategic value first to make your defense more efficient.

Can I use the auto upgrade script in multiplayer matches?

Yes, the script works in both solo and multiplayer games, helping you keep your towers upgraded regardless of the match type.

Will the script upgrade towers during the build phase or only during waves?

It upgrades towers whenever you have enough cash, including during build phases and active waves, so your defense stays strong at all times.

Is the Tower Defense Simulator auto upgrade script free to use?

Yes — every script on blox.sh is completely free, with no key system or paywall.