Zombie Night Terror: DNA Conservation and Management Guide

To avoid running out of DNA in Zombie Night Terror, treat your mutation pool as a strictly limited currency. Maintain your operational budget by letting initial infections spread organically through human panic, reserving mutations for multi-target actions, skipping negative-yield canister detours, and repurposing abandoned zombies to handle structural demolition.

Restricting Manual Syringe Injections

Converting humans into zombies provides your primary recurring DNA income, but using manual syringes costs a heavy upfront fee that quickly drains your reserve. To generate a net profit, inject a single isolated human and allow natural contagion mechanics to do the work. The infected civilian will panic, sprint into neighboring rooms, and spread bites naturally once they transform into a Walker.

Reserve direct syringe expenditures for high-priority targets that threaten the horde or mission pacing:

Stationary Armed Civilians: Injecting an armed human from behind prevents them from drawing their weapon and wiping out incoming Walkers.
Timed Door Switches: Injecting a survivor standing directly adjacent to an elevator call button or door terminal secures access before the main horde arrives.
Hazmat Containment Units: Direct infection instantly neutralizes decontamination workers before they can sterilize infected corpses.

Combining Mutation Objectives

Spending DNA on single-target actions depletes your reserves without providing enough momentum to reach the end of a stage. Every activated mutation should solve at least two tactical problems simultaneously.

Exploders: Position the detonation radius so that the blast removes a cracked floor or reinforced wooden wall while catching armed guards or civilian clusters in the shockwave.
Overlords: An Overlord anchors a zombie in place to redirect the horde. Do not deploy an Overlord in corridors that already funnel Walkers toward an exit. Place Overlords strictly at critical junctions to turn the horde away from hazards like electrical conduits, toxic pools, and lethal drops.

Calculating DNA Canister Detours

Glowing green DNA canisters replenish your pool, but detouring toward them often requires mutations that cost more than the canister rewards. Trace the path to the item before committing units. If grabbing a container forces you to deploy an Overlord to reverse direction, a Jumper to clear a ledge, and an Exploder to break out, the detour produces an operational loss.

Canister Location	Mutations Required	Resource Assessment	Practical Outcome
High Ledge or Rafter	1 Jumper or Crawler	Profitable	Low upfront investment secures an immediate net surplus.
Behind Cracked Wall	1 Exploder	Situation-dependent	Profitable only if the blast clears guards or opens the primary route.
Dead-End Basement	1 Overlord + 1 Exploder	Net loss	Routing zombies down and back up burns more DNA than the canister holds.
Guarded Booth	1 Jumper + 1 Exploder	Profitable	Eliminates ranged firearms while recovering the DNA spent to breach the booth.

Repurposing Stranded Zombies

Zombies do not refund raw DNA when they die, but obsolete units can still save you from spending fresh points on your vanguard. As your horde advances through multi-floor buildings, trailing Walkers often get separated behind shut blast doors, stuck in spent elevator shafts, or left pacing on cleared roofs.

Scan back through cleared rooms when your frontline runs low on mutation options. Mutating an obsolete Walker or spent Overlord into an Exploder allows you to trigger distant explosive barrels, destroy secondary supports, or clear incoming enemy waves from behind without expending DNA on forward assault units.