Tower Defense Simulator - Roblox Guide
Tower Defense Simulator (TDS) is Paradoxum Games' flagship Roblox tower defense, running since 2019. The October 2026 Solar Requiem event rolled out one story night a week, ending with Night IV on October 30.
How to play TDS
- 1Build a loadout
Pick up to 5 towers before queueing - early-game farm, mid-game DPS, late-game support is the classic skeleton.
- 2Place and upgrade
Towers go down on the path and earn upgrade tiers with cash from wave clears and farms.
- 3Hold the line
Maps end on a boss wave; team up with others for the harder modes and event maps.
- 4Unlock more
Wins pay coins for new towers, crates for skins, and event currency for limited towers.
Solar Requiem & the 2MILLION code
Solar Requiem nights
A four-night story event - Night I through IV weekly through October, each adding a map and mechanics.
Star Cannon
The new tower released with Night IV - the event finale reward line.
Code 2MILLION
Redeem in-game for a free Mercenary Pursuit skin (thanks for 2 million likes).
Hollow Crate
The Halloween crate available during the event window.
Frequently asked questions
Is Tower Defense Simulator free?
Yes - free on Roblox. Premium battle passes and crates are optional.
What level do I need for events?
Event nights usually want a mid-tier loadout - bring a farm and a solid DPS tower.
Does the 2MILLION code still work?
It was live on the game page as of the Night IV release - redeem it sooner rather than later.