Delta Particles

Rare color

Very common91.8%

Equip a protection suit.

Who's here?

Very common85.4%

Turn on emergency power supply after the disaster.

Jewelry work

Common66.6%

Behead a zombie using the pipe wrench.

Pleasant meeting

Common59.9%

Meet Diana after the disaster.

Radical problem solving

Common56.6%

Demolish the jammed door.

I said don't go in there

Common56.1%

Enter the barricaded room against the scientist's advice.

Free travel

Common55.6%

Take a trip on the monorail train.

Decapitation!

Common55.2%

Behead 25 enemies.

Swiftly and without suffering

Common53.6%

Dump the chemicals.

Overtime

Common52.9%

Get the cargo down to the railcar.

Silence 2.0

Common49.1%

Pick up a silencer for SMG.

In the darkness

Common49.0%

Turn off the light and leave the basement.

It's redundant

Common48.7%

Behead 60 enemies.

Hurry up, before he looks away from us...

Common48.4%

It seems you've been robbed of something valuable.

Science and madness

Common47.3%

Stabilize the power generator.

We are saved… or not?

Common45.5%

Transmit a SOS signal from the helipad.

Friends like you…

Common43.7%

Prevent security officer from listening to music.

Resuscitated hope

Common42.5%

Find Diana in the tunnels.

No brains at all anymore

Common41.9%

Behead 125 enemies.

It's a really big gun

Common41.3%

Find a shotgun early.

Fashionista

Common40.4%

Diana equipped a protection suit.

Unknown world

Common40.4%

Find yourself in the alien world.

Strange place

Uncommon36.7%

Visit a rotating radioactive asteroid.

Heart-stoppingly cute moment

Uncommon35.5%

Enter the portal.

It's based. It's Delta Based

Uncommon35.5%

Finish the campaign.

At the employer's expense

Uncommon31.9%

Drink 25 soda cans.

Low battery

Uncommon31.8%

Get additional points of armor from the technician three times.

More than just a gamer

Uncommon29.4%

Finish the game on medium difficulty.

Flies don't let sleep

Uncommon29.1%

Destroy all alien hives in Xen.

Mechanical man

Uncommon28.9%

Activate the guard robot at the robot factory.

Hands off!

Uncommon28.8%

Kill the headcrab inside the healing pod.

Got you!

Uncommon28.6%

Save the scientist from zombie in the lab.

Punishment for Immortality

Uncommon24.4%

Destroy 10 Xen Trees.

In the line of fire

Uncommon19.2%

Kill two enemies with the Light Gun in one shot.

Intimidating but ineffective

Uncommon18.7%

Turn on the power and open the fence door without killing Garg.

Deforestation

Uncommon16.1%

Destroy 25 Xen Trees.

It was difficult, but I succeeded

Uncommon15.6%

Save the security officer from three zombies in the lab.

It's high noon!

Uncommon12.8%

Kill six enemies in a row with a single clip from your revolver without changing weapons.

Delta-Chad

Uncommon12.0%

Finish the game on hard difficulty.

To use a sledgehammer to crack a nut

Uncommon10.9%

Kill five headcrabs with the sniper rifle.

Unnecessary cruelty

Uncommon10.5%

Kill the bullsquid before it gets into the hurricane.

Might makes right

Uncommon10.2%

Destroy one Robotic Infantry unit with a melee weapon.

Veteran of the shooters

Rare9.6%

Kill three alien controllers with the under-barrel grenade launcher.

Blue lagoon

Rare8.2%

Survive the Xen arena without using the healing pool.

Locomotive

Rare8.1%

Get through the place after parking without destroying an enemy SUV.

Helpful storage room

Rare5.3%

Unlock all rooms with supplies inside.