Fossilfuel

Fossilfuel

28 achievements
Ultra Rareร—9
Very Rareร—12
Rareร—3
Uncommonร—1
Commonร—3

About Fossilfuel's achievements

Fossilfuel has 28 Steam achievements, 9 of them ultra-rare โ€” unlocked by under 5% of players. The rarest is "Super Hardcore", earned by just 1.0% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
1.0%
of players earned "Super Hardcore"

Community Ratings

No ratings yet
Difficultyโ€”
Easy โ†’ Brutal
Enjoymentโ€”
Meh โ†’ Loved it
Grindinessโ€”
No grind โ†’ Huge grind
Want to rate Fossilfuel? Sign in with Steam โ€” one rating per person.
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All Fossilfuel achievements

28 achievements
Super Hardcore
Super Hardcore
Beat the game on hard, and get an S rank.
Ultra Rare1.0%
Judo-Chop!
Judo-Chop!
Snap a neck.
Ultra Rare1.5%
Hardcore
Hardcore
Beat the game on the hardest setting.
Ultra Rare1.8%
Event Horizon
Event Horizon
Find the gravity grenade, "Black Hole" gun.
Ultra Rare2.2%
To Serve Man
To Serve Man
Unleash bugs onto the soldiers.
Ultra Rare2.6%
Freak'in laser beams
Freak'in laser beams
Get the Focus Beam.
Ultra Rare3.1%
Game over man!
Game over man!
Make a last stand with the other survivors.
Ultra Rare3.7%
Sharp Tooth
???
Hidden achievement โ€” tap Reveal secrets to spoil
Ultra Rare4.7%
Only way to be sure
???
Hidden achievement โ€” tap Reveal secrets to spoil
Ultra Rare4.9%
3.6 Roentgen
3.6 Roentgen
Overload the Nuclear Reactor.
Very Rare5.1%
Making Friends
Making Friends
Get to know some of the scientist.
Very Rare5.3%
Cyber Tank
???
Hidden achievement โ€” tap Reveal secrets to spoil
Very Rare5.8%
Life finds a way
???
Hidden achievement โ€” tap Reveal secrets to spoil
Very Rare5.8%
Allosaurus
Allosaurus
Defeat an Allosaurus.
Very Rare6.6%
Lizard-man
???
Hidden achievement โ€” tap Reveal secrets to spoil
Very Rare6.6%
Eight Leg Freak
Eight Leg Freak
Defeat the Queen bug.
Very Rare6.7%
AZ-5
AZ-5
Stabilize the Nuclear Reactor.
Very Rare7.2%
Openworld
Openworld
Get to the surface of the Great Sitkin Island.
Very Rare8.5%
Hold on to your butts
Hold on to your butts
Restore the sub-level power.
Very Rare9.1%
Playing with Power
Playing with Power
Enter the Power Plant.
Very Rare11.6%
Laboratory
Laboratory
Make it to the Sierra laboratory.
Very Rare12.1%
Titanoboa
Titanoboa
Defeat Titanoboa.
Rare15.9%
Get to administration
Get to administration
You have escaped the lower sub-level of Sierra.
Rare18.4%
Long Grass
???
Hidden achievement โ€” tap Reveal secrets to spoil
Rare24.2%
Walk around money
???
Hidden achievement โ€” tap Reveal secrets to spoil
Uncommon45.1%
Build your headlamp
Build your headlamp
Land of the blind no more!
Common68.7%
First Encounter
First Encounter
Meet Utahraptor.
Common89.2%
Welcome to Sierra
Welcome to Sierra
Start your day at the Sierra Research Institute.
Common93.3%