Breach Protocol
- Build without placement rails, counter mixed enemy traits, and defeat your first boss.
- ―In-game Description
Description
Breach Protocol is the third mission for the tutorial chapter of the Story mode.
The loadout for this map is set to be the Scout, Sniper and Demoman. Sell cost of all towers is also 100% of their total price. Base health is set to infinity and Skills are disabled.
Rewards
Breach Protocol gives a one time reward of 
Enemies
 |
 |
 |
 |
| Normal Wave 1 14 Total |
Speedy Wave 1 4 Total |
Slow Wave 2 10 Total |
Hidden Wave 3 6 Total |
 |
 |
 | |
| Armored Wave 4 10 Total |
Necromancer Wave 5 1 Total |
Skeleton N/A N/A Total |
Wave Structure
The wave bonus in this mission is:
The waves in Breach Protocol cannot be skipped. They follow these timings:
| Waves | Wave Timer |
|---|---|
| 1-4 | 1:00 |
| 5 | ∞ |
Bolded names indicate an enemy's debut.
| Wave | Commander Dialogue | Enemy Type & Amount | |
|---|---|---|---|
| 1 |  |
Looks like we've got some more enemies incoming. Set up your defenses accordingly. |
8x Normal, 4x Speedy |
| 2 | - | 4x Slow, 6x Normal | |
| 3 |  |
We've got some Hidden enemies incoming. Only certain towers and upgrades can see these sneaky foes. |
6x Hidden |
 |
Level 2 Scouts, Snipers, and Demoman can all detect Hidden enemies. Upgrade them before the hoard arrives. | ||
| 4 |  |
Great work. Got a big wave of Armored enemies incoming. Remember your training from before. |
6x Armored, 6x Slow |
| 5 | |
Looks like there's a Necromancer incoming. Take him out quickly before he summons more undead minions! |
4x Armored, 1x Necromancer |
| Epilogue |  |
Uh oh, looks like there's a huge wave of enemies incoming! This is not part of our training protocol! |
- |
|
Recruit, get ready! Something massive is approaching as we speak!. | ||
Soundtracks
Wave 1-3
-
(Official) Tower Defense Simulator OST - The Horde
Wave 4
-
(Official) Tower Defense Simulator OST - Fill Them With Lead
Wave 5
-
(Official) Tower Defense Simulator OST - Catharsis
Update History
- 31 July 2026 - v2.4.0
- Breach Protocol added.
| Story Pages | |||
|---|---|---|---|
| Characters | Two X • Lord Exo • Rift Walker • Narrator • Nerd Duck • Null Guardian • Patient Zero | ||
| Groups | T.D.S. Organization • Children of Exo • Fallen | ||
| Items | Serum Zero • God Cube | ||
| Realms | Meta | Overworld • Hex Realm • Frost Realm • Duck Realm | |
| Old World | |||
| Maps | Nightmare Carnival • Village of Despair • Eggy Island • Trick or Threat Town • Rotfield • Foggy Forest • Tower Outskirts • Totality Tower • D00M's Revenge • Cold Ambush • A Dark Tale • The Haunted Past • The Great Finale • Failed Gateway • The Nightmare Realm • Containment • Pls Donate • Outpost 32 • Bathroom Approach • Outpost 16 • Banlands • Blind Faith • The Narratorium • Backyard Beginnings • Competition Court • Victory Field • Sorrowful Remains | ||
| Story Missions | ||
|---|---|---|
| TDS: Boot Camp | Welcome Recruit • Boot Camp • Live Fire • Breach Protocol • Brute Force | |
| TDS: Origins | The Beginning • Ghost Town • Radio Silence • Off The Rails • Burning Bridges • A Growing Threat • Derailed • Rock Bottom • Surface Tension • The Final Approach • Lights Out • Aftermath | |