The Brookhaven Experiment Player Count and Price History

The Brookhaven Experiment achievements

The Brookhaven Experiment has 20 Steam achievements. On average a player has unlocked 16.5% of them; the rarest, Ammo Conservation, is held by 0.4% of players.

• C-NoteKill 100 enemies.68.4%
• Abandoned FactorySurvive the first campaign level.59.8%
• Town SquareSurvive the second campaign level.41.8%
• G-NoteKill 1000 enemies.40.4%
• Quad DamageKill four enemies at once with an explosive.29.5%
• Laboratory BasementSurvive the third campaign level.21.8%
• ObservatorySurvive the fourth campaign level.14.6%
• TubthumpingSurvive ten waves in a survival map.9.3%
• Storm DrainSurvive the fifth campaign level.7.9%
• I Like The Night Life, BabyFinish a nighttime campaign level without turning on the flashlight.5.8%
• ReservoirSurvive the sixth campaign level.5.5%
• BridgeSurvive the seventh campaign level.4.7%
• Sangamon ForestSurvive the eight campaign level.4.1%
• To The TeethAcquire all guns and upgrades in campaign mode.3.6%
• Peoria CavernsSurvive the ninth campaign level.3.1%
• Radio TowerSurvive the final campaign level.2.9%
• Smile, You Son of a...Blow the head off of something large and toothy.2.8%
• Fireworks FactoryAcquire 200 throwables in campaign mode.2.2%
• OverkillAcquire all guns and upgrades in a survival game.1.4%
• Ammo ConservationSurvive a nighttime campaign level using only the knife.0.4%

Global unlock rates from Steam, most common first.