Headcrab Frenzy!

Artistic Confusion

Common57.2%

Cause some disorder in the Museum.

Ladder Completed

Common41.1%

Survive all 8 "Ladder" waves.

HCF_Killbox

Uncommon38.1%

Complete "HCF_Killbox" arena.

HCF_Dungeon

Uncommon28.8%

Complete "HCF_Dungeon" arena.

HCF_Labmoar

Uncommon27.2%

Complete "HCF_Labmoar" arena.

HCF_Temple

Uncommon26.2%

Complete "HCF_Temple" arena.

HCF_Range

Uncommon26.0%

Complete "HCF_Range" arena.

Beyond Godlike

Uncommon25.7%

Perform a 25x combo.

HCF_Factory

Uncommon25.6%

Complete "HCF_Factory" arena.

Ladder Master

Uncommon17.2%

Survive 20 waves in "Ladder" game mode.

Nice Catcher

Uncommon16.8%

Perform 250 nice catches.

Headcrab Connoisseur

Uncommon16.6%

Beat the game on "Medium" skill level.

Headcrab Expert

Uncommon16.5%

Beat the game on "Easy" skill level.

Nimble on Feet

Uncommon15.4%

Don't be bitten at all during a single wave.

Headcrab God

Uncommon14.6%

Beat the game on "Hard" skill level.

Random Master

Uncommon14.1%

Survive 20 waves in "Random" game mode.

Sniper

Uncommon13.8%

Shoot 500 headcrabs using firearms.

High Score!

Uncommon13.6%

Score 1,000,000 points in a single match.

Headcrab Frenzy!

Uncommon12.5%

Spend 60 minutes in Frenzy mode.

Terminator

Uncommon12.4%

Exterminate 1500 generic headcrabs.

Jinxed

Uncommon12.1%

Miss 1000 times.

Survivor

Uncommon12.1%

Regenerate 100,000 health points.

Assassin

Uncommon12.0%

Exterminate 2000 fast headcrabs.

Fireman

Uncommon11.8%

Exterminate 2500 fire headcrabs.

Antidote

Uncommon11.7%

Exterminate 3500 poison headcrabs.

Veteran

Uncommon11.6%

Win 50 matches.

Melter

Uncommon11.6%

Exterminate 3000 ice headcrabs.

Insulator

Uncommon11.5%

Exterminate 4000 electric headcrabs.

Exorcist

Uncommon11.5%

Exterminate 4500 ethereal headcrabs.

Psycho

Uncommon11.5%

Exterminate 5000 hallucinogenic headcrabs.