TD Workshops

TD Fortress Workshops

Battle Guide • Army and Training • Fortress Workshops • Reclamation Bay • Waves and Enemies

Workshop purchases are permanent in the current game save and take effect in the next battle. They use Reclamation specialist materials, Pristine Cores, and shared Army EXP. The Salvage/Ammo/Command displayed inside a battle are separate deployment currencies.

Use the Operations Center's room links to reach the providers. Purchasing at AIMy and Tinker changes the same control levels, not two separate copies. Select a card to inspect current/next values and exact owned/required resources. Each research track stops at Level 10.

Structural Reinforcement affects barriers, including purchased Trees and Gates. It does not raise hero or turret Health. Fortress Resilience raises the next attempt's starting Lives; it does not restore Lives lost between waves.

Steamshot starts at Level 1 for free. Other designs require their one-time purchase below; that unlocks Level 1 and costs no Army EXP. Initial purchase does not deploy a turret into an active battle.

These are the Level-1 bases. Deploying another copy costs battle currency again, even after permanent purchase.

Steamshot, Rotary Cannon, and Rivet Driver allow 3 active copies each. Plasma Lance, Chrono Projector, Nanite Beacon, Rocket Battery, and Scrap Catapult allow 2 each. The shared Turret Control limit still applies across all designs together. Destroying a turret frees those active slots, permitting a paid replacement.

Every research step adds 20% of base Power and 10 pixels of range. Accuracy progresses toward 95% by Level 10 for attacking turrets. Ordinary attack rate and turret Health stay constant. Nanite Beacon repairs instead of attacking.

All eight regular designs start at Level 1, without an initial design purchase. Orchid upgrades each design independently: +20% base HP and +1 whole-battle deployment per level. AIMy's shared bonuses multiply their HP and add to their supply.

Final HP = base HP × (1 + 0.2 × Orchid steps) × Structural Reinforcement percentage, rounded once at the end. At both Level-10 upgrades, a design has 6.58 times its base HP. For example, a Wall rises from 320 to 2,106 HP.

Supply for each design = 6 + 2 × shared Barrier Deployment steps + that design's Orchid steps. At all relevant Level-1 tracks it is 6; at all Level-10 tracks it is 33 deployments of each design per attempt.

Destroyed barriers do not refund supply or currency. New waves do not replenish supply. Moving a surviving barrier is free and does not consume another use. Arcane Scrap Ward and Razor Scrap Barricade are regular obstacles; their names do not add an undocumented damage or shielding ability.

The required hero must be recruited, alive, and deployed to place a new copy. Their destruction frees an active slot, so replacements are possible while the hero remains eligible. These designs gain Structural Reinforcement HP but have no Orchid design-research track and do not spend regular-barrier supply.

Terra's automatic Living Network conjures a separate set of free Trees. Those use her Special Power for HP, her Special Range for their active limit, and do not receive shared reinforcement. See Army and Training.

The table gives the cost of one step to the target level. Specialist total means Alloy + Circuitry + Reagents + Flux, divided using the design's recipe below. Cores and Army EXP are additional costs.

For control research, multiply the turret table's specialist total and Army EXP by 1.5; Cores stay unchanged. For regular barriers, multiply specialist total and Cores by 2; Army EXP stays unchanged.

Recipes are proportions in Alloy : Circuitry : Reagents : Flux order. Multiply the relevant specialist total by each proportion, round down each share, then distribute leftover units to the largest fractional shares; ties follow the material order. The menu shows the exact final integer costs.

For example, Plasma Lance Level 1 → 2 costs 18 Alloy, 22 Circuitry, 6 Reagents, 14 Flux, 0 Cores, and 100 Army EXP. Barrier Deployment Level 1 → 2 costs 54 Alloy, 18 Circuitry, 9 Reagents, 9 Flux, 0 Cores, and 150 Army EXP. A Wall Level 1 → 2 costs 96 Alloy, 12 Circuitry, 12 Reagents, 0 Flux, 0 Cores, and 100 Army EXP.

Armor has its own materials-only price table, stopping at Level 6/MAX; see Army Armor. Materials and Pristine Cores come from Reclamation Bay.