Halo Wars tech tree

Booster shots enable all infantry units to run at significantly increased speeds.

This Reactor provides enough energy to match the output of two Reactors.

Improves all Covenant technology.

Improves all Covenant technology.

Two protectors hover near the Prophet and protect him.

Equips Hunters with a devastating beam-based weapon.

Adds front-firing 35mm guns, improving the Chopper's attack.

Jackals are now equipped with particle beam rifles.

When the Chieftain's hammer is charged up, the Chieftain will pull his enemies to him.

Upgrades the Prophet's plasma cannons to fuel rod cannons, increasing damage.

Upgrade the production capacity of this Warehouse to produce more supplies.

Rage Mode increases Arbiter combo damage and the attack power of nearby allies.

Equips each Hunter with a huge shield that can deflect many projectiles.

Enables Speed Boost Ability.

Enables the Boosted Ram Ability on Ghosts, allowing them to effectively ram their targets.

Shadow tech for Brutes

Equips Scorpions with a secondary Canister Shell attack. This attack is devastating to any infantry in its blast area.

An additional set of composite alloy plates boost the Elephant's damage mediation.

Hornets gain the passive Chaff Ability that is used to distract and divert incoming missiles.

EMP Ability can chain to hit multiple targets.

Equips Spartans with two-handed auto-guns for dramatically increased damage.

Equips Spartans with two-handed auto-guns for dramatically increased damage.

Equips Spartans with two-handed auto-guns for dramatically increased damage.

Upgrades base to a Citadel, which adds two building sites.

Enables Cloak Ability.

Improves Cobra damage and defense (for now).

Improves Cyclops damage and defense (for now).

Inspires the Grunt squad, improving their combat abilities.

Adds extra shielding to deflect incoming projectiles.

Adds a light auto-cannon to all Elephants. This turret is only operable when the Elephant is deployed.

Health is restored every time the Arbiter inflicts a fatality in Rage Mode.

The Suicide Grunt's explosion splashes enemies with burning chemicals.

Hardened steel plates give the Cobra extra protection when locked down.

Adds an area-effect stun to the gravity hammer, and inflicts fatalities on stunned enemy infantry.

Upgrades to the Prophet's chair grant him full flight capabilities.

An extra rocket pod gives Wolverines considerably more damage potential.

The Brute Shot causes electrical stun damage when it hits.

Shadow upgrade for Elite Commando

The Arbiter reflects some incoming damage back to his attacker.

Adds bonus Anti-Infantry attack to the Turret.

Equips Flamethrowers with active Flash Bang ability that stuns any enemy infantry for a short time.

Better components dramatically improve laser attack damage and range for all Gremlins.

Increases the maximum size of your army by 10.

Augmented with even more repurposed Forerunner technology, all Covenant shields now recharge much faster.

Upgrades base to a Fortress, which adds two more building sites. Each building adds to the strength of the central structure.

Adds bonus Anti-Vehicle attack to the Turret.

Upgrades Warthog machine gun to a gauss cannon. Improves damage and defense.

The Arbiter becomes permanently cloaked and increases reflected damage even more.

Gremlin better and stronger

Adds a Marine armed with a Grenade Launcher to improve attack strength.

Increases Grizzly damage and defense

Upgrades Scorpions to Grizzly super units. Grizzlies are heavier tanks that pack a bigger punch than regular Scorpions.

Adds Machine Gun attack to the Warthogs, giving them combat capability.

Increases movement speed.

Improves Hawk damage and defense.

Upgrades Hornets to Hawk super units. Equipped with laser beams, Hawks are fearsome combat units.

Adds an energy shield that deflects some incoming damage.

Supply production massively increased for this Supply Pad.

Massively improved mobility systems increases movement speed of each Cyclops.

Improves Hornet damage and defense.

Additional enemies may be drawn into the vortex and potential damage increased.

Adds a stun to the Gravity Hammer.

Enables the Jump Pack Ability, allowing Brutes to quickly cross the battlefield.

Upgrades base to a Keep, which adds two building sites.

Carpet Bomb strafe distance and damage increased.

Increases the duration of the freeze effect and instantly kills more air units.

MAC Blast ammo capacity upgraded to provide three shots.

Upgrades all Turrets to Large Turrets, increasing their hitpoints and damage.

Upgrades all Turrets to Large Turrets, increasing their hitpoints and damage.

Shadow tech for Locust

Adds a Combat Medic to the squad. The Medic heals the squad after combat.

Carpet Bomb strafe distance and damage increased.

Increases the duration of the freeze effect and instantly kills more air units.

MAC Blast ammo capacity upgraded to provide two shots.

Upgrades all Turrets to Medium Turrets, increasing their hitpoints and damage.

Upgrades all Turrets to Medium Turrets, increasing their hitpoints and damage.

Doubles the number of missiles in each salvo of the active Barrage Ability.

Adds bonus Anti-Air attack to the Turret.

Slow-burning, sticky napalm burns enemies for several seconds after the initial attack.

Grunt squads are now equipped with needlers.

Adds bonus Anti-Air attack to the Turret.

Improved reflexes allow Spartans to Jack enemy vehicles much more effectively.

Adds another Marine to the squad. This increases the combat effectiveness of the squad.

Upgrades Marines to Orbital Drop Shock Trooper super units. ODSTs are better than Marines in every way. ODSTs can also be hot-dropped anywhere on the battlefield from Spirit of Fire.

Enables the Locust Overdrive Ability. This ability uses the Locust's shield generator output to overcharge its beam weapon. Attack power is drastically increased at the expense of the Locust's shields.

An advanced, higher burn point fuel increases damage to all organic units.

Grunt squads have one additional Grunt.

Adds a personal shield that decreases incoming damage.

Cobra railguns gain extra power to allow them to punch through multiple targets, inflicting damage on each.

Greatly increases the damage of the Wraith's Plasma Mortar.

Adds bonus Anti-Infantry attack to the Turret.

Doubles the rotation speed for Scorpion turrets, making them considerably more responsive in combat.

Adds bonus Anti-Vehicle attack to the Turret.

Increases damage inflicted when the Chopper runs over enemies, and decreases the damage taken.

The Cleansing Beam Ability burns even brighter, doing area damage.

The Cleansing Beam Ability is larger and does more damage.

The Cleansing Beam Ability is larger and does more damage.

Adds +10 to the population cap of your army.

Equips each Cyclops with tools to heal mechanized units and buildings.

Increases the rate of fire for the Banshee's weapons.

Train times for all units are drastically reduced.

Marine active Grenade Ability upgraded to active Rocket Ability. Rockets can attack from a longer range than Grenades.

Banshees attempt to crash into ground targets and inflict area damage when destroyed.

Enables the Scorch Ability that superheats an area of terrain for extra damage.

Improves Scorpion damage and defense (for now).

Adds an energy shield to Ghosts that deflects some incoming damage.

Locust shields regenerate much more quickly.

Additional enemies may be drawn into the vortex and potential damage increased.

The ultimate UNSC handheld weapon gives Spartans a distinct combat advantage.

Hunters get a big damage boost while both bond brothers are alive.

Rage Mode costs less to maintain.

Improves autocannon accuracy and damage.

When a target is drained with the Stasis Ability, it explodes, doing area-effect damage.

Stasis Ability now drains target hitpoints and heals the Vampire.

Increases repair rate.

Upgrades base to a Station, which adds two more building sites. Each building adds to the strength of the central structure.

Allows Ghosts to more effectively dodge incoming grenades and rockets.

Shadow tech for Suicide Grunt

Carpet Bomb strafe distance and damage increased.

Increases the duration of the freeze effect and instantly kills more air units.

MAC Blast ammo capacity upgraded to provide four shots.

Jackal shields do not collapse when taking damage.

Additional enemies may be drawn into the vortex and potential damage increased.

Elephant speed is greatly improved by the addition of a second engine.

Shadow tech for Vampire

The Arbiter reflects even more damage and has stronger attacks himself.

Enables the active Volley Ability on Wolverines. The Volley Ability can be used to deal big damage to any ground target.

Adds a couple of Marines riding shotgun to augment damage capabilities.

Improves Wolverine damage and defense (for now).

Suicide Grunts are faster in Suicide Mode.