The Game Census
Fossilfuel cover art

Fossilfuel

DangerousBob Studio LLC · 2021-08-20

Steam

ActionAdventureIndie

Modes: Single player · Perspectives: First person

Releases: Aug 21, 2021 (PC (Microsoft Windows))

Fossilfuel, is a horror action shooter, where the player must fight their way through Jurassic monsters and Super Soldiers, in this multi-ending, adrenaline-fueled cyberpunk experience!

Fossilfuel is an Action, Adventure and Indie game released in 2021, priced at $14.99, with an estimated owner base of 0 .. 20,000 and a Mostly Positive review sentiment (71% of 164 reviews).

70%
positive of 169 reviews
Mostly Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
Playable
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

Health check

Quiet
  • · 16 reviews in the last 8 weeks (~2/week).
  • · Review velocity down 11% vs the prior 8 weeks.
  • · Top 31% of 27,960 Action games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 3.4k–7.6k copies

Review-multiple estimate from 169 total reviews — how this is computed.

All-time low: $4.49 at Steam (2026-08-03)via IsThereAnyDeal

12-month high $19.99 · on sale 8 of 11 observed days (census price snapshots)

Review momentum

PositiveNegative
191920212026Week of 2021-07-01: 11 positiveWeek of 2021-07-01: 4 negativeWeek of 2021-08-01: 19 positiveWeek of 2021-08-01: 10 negativeWeek of 2021-09-01: 2 positiveWeek of 2021-09-01: 2 negativeWeek of 2021-10-01: 5 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 3 positiveWeek of 2021-11-01: 1 negativeWeek of 2021-12-01: 2 positiveWeek of 2022-01-01: 1 positiveWeek of 2022-01-01: 2 negativeWeek of 2022-02-01: 4 positiveWeek of 2022-02-01: 3 negativeWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 2 positiveWeek of 2022-07-01: 1 positiveWeek of 2022-10-01: 2 positiveWeek of 2022-11-01: 1 positiveWeek of 2023-02-01: 1 positiveWeek of 2023-03-01: 2 positiveWeek of 2023-07-01: 3 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 2 positiveWeek of 2023-10-01: 1 positiveWeek of 2023-11-01: 2 positiveWeek of 2023-11-01: 2 negativeWeek of 2024-01-01: 3 positiveWeek of 2024-02-01: 3 positiveWeek of 2024-03-01: 4 positiveWeek of 2024-03-01: 4 negativeWeek of 2024-04-01: 1 positiveWeek of 2024-05-01: 1 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 3 positiveWeek of 2024-06-01: 3 negativeWeek of 2024-07-01: 3 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-08-01: 1 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 1 positiveWeek of 2024-10-01: 1 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-12-01: 2 positiveWeek of 2025-01-01: 3 positiveWeek of 2025-01-01: 2 negativeWeek of 2025-05-01: 3 positiveWeek of 2025-06-01: 2 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 1 negativeWeek of 2025-09-01: 2 positiveWeek of 2025-10-01: 3 positiveWeek of 2025-11-01: 2 positiveWeek of 2025-11-01: 1 negativeWeek of 2025-12-01: 1 positiveWeek of 2026-02-01: 1 positiveWeek of 2026-03-01: 3 positiveWeek of 2026-04-01: 1 positiveWeek of 2026-05-01: 1 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 2 positiveWeek of 2026-08-01: 1 positiveWeek of 2026-08-01: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$19.99$4.492021-07-012026-08-102021-07-01 — best price $11.992021-08-21 — best price $11.992021-10-28 — best price $14.992022-01-27 — best price $14.992022-02-21 — best price $11.992022-06-23 — best price $11.992022-10-25 — best price $9.992022-12-22 — best price $9.992023-03-16 — best price $13.992023-06-29 — best price $9.992023-10-26 — best price $11.992023-12-22 — best price $8.992024-02-26 — best price $7.992024-03-14 — best price $7.992024-06-27 — best price $7.992024-10-28 — best price $15.992024-11-27 — best price $15.992024-12-19 — best price $15.992025-03-13 — best price $15.992025-05-23 — best price $7.992025-06-27 — best price $7.992025-10-01 — best price $7.992025-10-27 — best price $7.992025-12-18 — best price $7.992026-03-19 — best price $7.992026-05-28 — best price $14.992026-07-09 — best price $14.992026-08-10 — best price $14.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

28
achievements tracked
93.4%
earned "Welcome to Sierra"
6.6%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportFamily Sharing1 DLC

Post-launch support: 1 DLC released, first 2021-10-28 (Steam store data)

Player tags

3DFPSActionHorrorPuzzleShooterAdventureCyberpunkDinosaursStory Rich

Census log

Computed from census-recorded observations only — dates are observation dates.

Recent updates

Players also track

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Similarity via IGDB.

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