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An indie game entry from Petroglyph, 8-Bit Invaders! carries a 2016 release date and a $14.99 initial price. It is self-published by Petroglyph, with 398 Steam reviews listed as mixed and the engine not specified.
Overview
8-Bit Invaders! is a 2016 Indie game developed by Petroglyph and published by Petroglyph. On Steam it has gathered 400 player reviews, 83% of them positive, which counts as a mostly positive reception among indie titles in the Indie category. The game is available on windows, and launched at $15. The pairing of developer Petroglyph with publisher Petroglyph is one of the studio-publisher relationships indielist tracks, letting players find comparable games and letting developers and investors study how Indie projects reach the market. indielist's white-box method estimates its lifetime sales at roughly 19,000 to 45,000 units, with the full Boxleiter factor breakdown shown on this page rather than a single black-box figure. Within indielist's catalog of indie games mapped to their studios, publishers, and funding, 8-Bit Invaders! can be compared against similar Indie titles and benchmarked on review counts and estimated sales.
Reviews
400
Positive
83%
Steam appid
531680
Engine
Unknown
Players (snapshot)
Unavailable
Sales estimate
v1.019K to 45K
units (median: 32K)
≈ $164K to $384K modeled net revenue (fixed store-cut, refund, and regional-price assumptions applied)
+ - How is this calculated?
| Factor | Adjustment |
|---|---|
| base | +50 |
| year_2016 | +30 |
| price_$15 | 0 |
| positive_83% | 0 |
| final NB | 80 |
Heuristic display range: median × [0.6, 1.4]. Boundary protection: NB ∈ [15, 150].
Methodology & limitations
Sales estimates use an additive Boxleiter-derived heuristic against public Steam review
counts. They are not authoritative sales data, and the fixed display range
is not a statistically validated confidence interval. Actual results may fall outside it,
especially for deeply discounted or bundle-heavy titles. Algorithm version
v1.0. Read the exact method and validation status.
indielist estimates lifetime unit sales for 8-Bit Invaders! at roughly 19,000 to 45,000 copies, with a median around 32,000, derived from its 400 Steam reviews using a multi-factor Boxleiter method (version v1.0). That median maps to approximately $274K in net revenue after Steam's 30% cut, regional pricing, and refunds. Unlike black-box trackers, the full calculation is shown on this page: a base review-to-sales multiplier is adjusted for release year, launch price, review sentiment, studio size, and genre, and every adjustment is listed so developers, publishers, and investors can audit exactly how the figure was reached. The range itself reflects genuine uncertainty — review-to-sales ratios vary widely between games — so indielist publishes a low, median, and high band rather than a false-precision single number, and treats free-to-play, heavily discounted, and bundle-distributed titles as having wider error margins still.
Price history
8 observed days · window low $7.49Across 8 observed UTC days from 2026-07-15 to 2026-07-22, the daily lowest tracked USD price across stores ranged from $7.49 to $7.49. The tracked-window low was $7.49 on 2026-07-15.
Real store observations · daily lowest tracked USD price across stores · missing days are not filled.
Where to buy
Affiliate disclosure- GOG.com -50%$7.49 Buy
- Steam reference$14.99 Buy
- Humble Store$14.99 Buy
- Green Man Gaming
- Fanatical
Latest tracked store observations (2026-07-22 06:53 UTC), cheapest first. Prices may have changed since observation. Some are affiliate links — we may earn a commission at no extra cost to you. Learn more.
Platforms
windows
Genres
IndieSimulationStrategy
Frequently asked questions
- How many copies has 8-Bit Invaders! sold?
- indielist estimates 8-Bit Invaders! has sold between 19,200 and 44,800 units (median 32,000), derived from its 400 Steam reviews with the white-box Boxleiter v1.0 method. The full breakdown is shown on the page.
- Who developed 8-Bit Invaders!?
- 8-Bit Invaders! was developed by Petroglyph and published by Petroglyph.
- Who published 8-Bit Invaders!?
- 8-Bit Invaders! was published by Petroglyph, developed by Petroglyph. See Petroglyph's full catalogue and submission status on indielist.
- When was 8-Bit Invaders! released?
- 8-Bit Invaders! was released in 2016.
- How many reviews does 8-Bit Invaders! have on Steam?
- 8-Bit Invaders! has 400 Steam reviews, of which 83% are positive.
- Is 8-Bit Invaders! worth playing?
- Steam players rate 8-Bit Invaders! 83% positive across 400 reviews. indielist doesn't score games editorially; it surfaces public review sentiment and a white-box sales estimate so you can judge reception and reach yourself.
Ecosystem
Players looking for games like 8-Bit Invaders! can compare it on indielist against semantically similar Indie titles such as Stardew Valley, Euro Truck Simulator 2, Project Zomboid, Undertale, ranked by shared tags and genre rather than by ad spend. On the developer side, Petroglyph's other releases and Petroglyph's wider catalog are one click away, letting developers benchmark where 8-Bit Invaders! sits among a studio's body of work and how its publisher's portfolio performs. Because indielist maps studios, publishers, games, and funding into one connected graph, the same 8-Bit Invaders! page serves three audiences at once: players hunting their next Indie game, developers studying how comparable projects were positioned and what they sold, and investors tracing which teams and labels are active in the space. A machine-readable markdown mirror of this page is published at the same path with a .md suffix for AI assistants, and its review, price, and sales-estimate figures are refreshed on a schedule rather than frozen at launch.
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