Mindustry Unit Upgrade Chain

Mindustry v7 (SerpuloTechTree.java Build 146+)

Canonical Serpulo unit upgrade paths from Tier 1 factory builds to massive Tier 5 titans. Each tier transition requires the corresponding reconstructor block, time, power, and materials.

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Domain

Showing 7 of 7 Serpulo upgrade chains

T1 → T2

Additive Reconstructor

10 s · 180/s (3/tick)

T2 → T3

Multiplicative Reconstructor

30 s · 360/s (6/tick)

T3 → T4

Exponential Reconstructor

90 s · 780/s (13/tick)

T4 → T5

Tetrative Reconstructor

240 s · 1500/s (25/tick)

Ground

Dagger Line (Assault Mech)

— Direct Fire Assault

Front-line heavy assault mechs progressing from light bipedal guns to fortress artillery and massive double-barreled cannons.

Tier 1

Dagger

→

Add

Tier 2

Mace

→

Multi

Tier 3

Fortress

→

Exp

Tier 4

Scepter

→

Tetra

Tier 5

Reign

Ground

Nova Line (Support Walker)

— Support & Energy Healing

Jetpack-boosted repair and energy units culminating in the massive long-range laser titan Corvus.

Tier 1

Nova

→

Add

Tier 2

Pulsar

→

Multi

Tier 3

Quasar

→

Exp

Tier 4

Vela

→

Tetra

Tier 5

Corvus

Ground

Crawler Line (Arthropod)

— Specialist & Arthropod Legged

Multi-legged terrain-traversing units progressing from suicide blast crawlers to acid-spitting and sap-draining colossal spiders.

Tier 1

Crawler

→

Add

Tier 2

Atrax

→

Multi

Tier 3

Spiroct

→

Exp

Tier 4

Arkyid

→

Tetra

Tier 5

Toxopid

Air

Flare Line (Assault Aircraft)

— Assault & Bombing Aircraft

Fast attack flyers upgrading into carpet bombers, missile cruisers, and fortress-destroying flying dreadnoughts.

Tier 1

Flare

→

Add

Tier 2

Horizon

→

Multi

Tier 3

Zenith

→

Exp

Tier 4

Antumbra

→

Tetra

Tier 5

Eclipse

Air

Mono Line (Support Aircraft)

— Logistics, Mining & Construction

Autonomous mining and reconstruction drones scaling up to block-carrying transports and massive shielded command carriers.

Tier 1

Mono

→

Add

Tier 2

Poly

→

Multi

Tier 3

Mega

→

Exp

Tier 4

Quad

→

Tetra

Tier 5

Oct

Naval

Risso Line (Naval Assault)

— Naval Assault & Artillery

Water-based warships starting with light missile boats up to heavily armored torpedo cruisers and railgun super-dreadnoughts.

Tier 1

Risso

→

Add

Tier 2

Minke

→

Multi

Tier 3

Bryde

→

Exp

Tier 4

Sei

→

Tetra

Tier 5

Omura

Naval

Retusa Line (Naval Support)

— Naval Repair & Minefields

Naval support vessels equipping repair torpedoes, mine layers, and EMP/energy shockwave generators.

Tier 1

Retusa

→

Add

Tier 2

Oxynoe

→

Multi

Tier 3

Cyerce

→

Exp

Tier 4

Aegires

→

Tetra

Tier 5

Navanax

Reconstructor Building Specifications

Source: Blocks.java (Vanilla Serpulo)

Tier Transition	Reconstructor	Cycle Duration	Power Drain	Input Items & Liquids
T1 → T2	Additive Reconstructor	10 s	180/s (3/tick)	40 Silicon, 40 Graphite
T2 → T3	Multiplicative Reconstructor	30 s	360/s (6/tick)	130 Silicon, 80 Titanium, 40 Metaglass
T3 → T4	Exponential Reconstructor	90 s	780/s (13/tick)	850 Silicon, 750 Titanium, 650 Plastanium, 60/s Cryofluid
T4 → T5	Tetrative Reconstructor	240 s	1500/s (25/tick)	1,000 Silicon, 600 Plastanium, 500 Surge Alloy, 350 Phase Fabric, 180/s Cryofluid

Note: Cryofluid is mandatory for Exponential (T3→T4) and Tetrative (T4→T5) reconstructors. Ensure continuous coolant delivery to prevent stalling.