BastionOS
BANGER · Action · 2026
The verdict
BUY IT.
A BANGER at $3.30.
- Cost per hourS
- $0.77/hr
- ReviewsS
- 97% of 184
- Genre rank
- Top 1% Action
Watch this gameOne alert when it goes on sale.
Time and effort
- Main story
- 4.3h
- To 100%
- 4.6h 1.1x the story
- Finish
- 89% reach the ending
- Achievements
- 52
Price and sales
- Sales
- 3 on record
- Typical cut
- 20% off
- Steam low
- $1.98 April 2026
- Sale every
- 99d last October 2026
Players and genre
- Online
- 1 now
- Cheaper than
- 74% of its genre
- Better reviewed
- 97% of its genre
Price and player charts
The drop-off
93% start to 89% finishSteam counts a larger share of its players at the ending achievement than it does for most games this site can measure. Steam global achievements
Players
- Players online
- 1 when we last checked, on Oct 22, 12:56 UTC
Player counts from the Steam Web API.
The value story
The value story
Across all 3 discounts in the 6 months tracked, the median cut is 20 percent, about 14 weeks apart. Today it is at full price, and its last discount ended about 4 weeks ago.
Its score sits in the top 1 percent of its genre. It is cheaper than 74 percent of its genre, and better reviewed than 97 percent. Among the games that feel like it, Bills Must Be Paid ($6.99, scores 89) beats it on value, while it beats Astro Prospector ($4.99, scores 84).
$4.83 is where it would stop being a BANGER.
More about BastionOS
Steam's global achievement data puts 89 percent of players at this game's ending achievement. The median game this site can measure sits at 18.
Buy now or wait
Buy now or wait
Next discount: likely in the Winter Sale, Dec 17 to Jan 4, at about $2.80 (15% off). Predictions like this were right 91% of the time when tested on 70 past weeks.
Last discount ended 29 days ago.
- Next sale
- Winter Sale, Dec 17 to Jan 4
Sources: IsThereAnyDeal, Valve.
What drives the score
Grades: S best, D weakest
S is the best grade and D the weakest, judged as a buyer. ▲ raises the score, ▼ lowers it, ? is an input we do not have, • is a fact this genre's score does not use. How the grades work
About the game
A short active incremental game where you stack ludicrous weapons and upgrades onto a tower. Destroy a gigantic evolving horde, unlock new tech, repeat.
Minimum specs
Minimum on the Steam store: 4 GB of memory, GPU with basic DirectX 11 support, 205 MB of storage. Runs on Windows, macOS.
No data upstream: critic score (Metacritic).
Cite this score
BastionOS scores 86/100 on the BANG Score (a BANGER) as of Nov 8, 2026. The BANG Score rates what a game is worth for the money. Via Steam BANGERS. https://steambangers.com/game/4090270/bastionosReviews set the ceiling, and price against real length moves the BANG Score inside it. How it works, and where it is weak → Steam reviews as of Nov 4, price as of Nov 7. A number here look wrong? Tell me and I will check the inputs.