The Brookhaven Experiment

The Brookhaven Experiment

20 achievements
Ultra Rare×9
Very Rare×5
Rare×2
Uncommon×2
Common×2

About The Brookhaven Experiment's achievements

The Brookhaven Experiment has 20 Steam achievements, 9 of them ultra-rare — unlocked by under 5% of players. The rarest is "Ammo Conservation", earned by just 0.4% of players. 1 SteamVault member has 100%-completed it so far. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
0.4%
of players earned "Ammo Conservation"
SteamVault 100%s
1
member fully completed it

Community Ratings

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Difficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All The Brookhaven Experiment achievements

20 achievements
Ammo Conservation
Ammo Conservation
Survive a nighttime campaign level using only the knife.
Ultra Rare0.4%
Overkill
Overkill
Acquire all guns and upgrades in a survival game.
Ultra Rare1.4%
Fireworks Factory
Fireworks Factory
Acquire 200 throwables in campaign mode.
Ultra Rare2.2%
Smile, You Son of a...
Smile, You Son of a...
Blow the head off of something large and toothy.
Ultra Rare2.8%
Radio Tower
Radio Tower
Survive the final campaign level.
Ultra Rare2.9%
Peoria Caverns
Peoria Caverns
Survive the ninth campaign level.
Ultra Rare3.1%
To The Teeth
To The Teeth
Acquire all guns and upgrades in campaign mode.
Ultra Rare3.6%
Sangamon Forest
Sangamon Forest
Survive the eight campaign level.
Ultra Rare4.1%
Bridge
Bridge
Survive the seventh campaign level.
Ultra Rare4.7%
Reservoir
Reservoir
Survive the sixth campaign level.
Very Rare5.5%
I Like The Night Life, Baby
I Like The Night Life, Baby
Finish a nighttime campaign level without turning on the flashlight.
Very Rare5.8%
Storm Drain
Storm Drain
Survive the fifth campaign level.
Very Rare7.9%
Tubthumping
Tubthumping
Survive ten waves in a survival map.
Very Rare9.3%
Observatory
Observatory
Survive the fourth campaign level.
Very Rare14.6%
Laboratory Basement
Laboratory Basement
Survive the third campaign level.
Rare21.8%
Quad Damage
Quad Damage
Kill four enemies at once with an explosive.
Rare29.5%
G-Note
G-Note
Kill 1000 enemies.
Uncommon40.4%
Town Square
Town Square
Survive the second campaign level.
Uncommon41.8%
Abandoned Factory
Abandoned Factory
Survive the first campaign level.
Common59.8%
C-Note
C-Note
Kill 100 enemies.
Common68.4%