Commander Keen
Short description
Commander Keen: Invasion of the Vorticons: Episode 1: Marooned on Mars (Dec. 14th 1990) Episode 2: The Earth Explodes (1991) Episode 3: Keen Must Die! (1991) Commander Keen's very first adventure, and the debut of id's groundbreaking side-scrolling technology.
- Developer
- id Software
- Publisher
- Bethesda Softworks
- Release
- Fri, Aug 03, 2007
- Price
$4.99
$1.99
60%- Reviews
- 1,457
- Positive
- 94%
- Followers
- n/a
- Owners (estimated)
- 100K – 200K
- Concurrent players
- 4
- Genres
- Action
- Tags
Review count and SteamSpy's owner range agree well enough to narrow the estimate down to this band. Multiplied by $4.54, the average price these copies actually sold for — weighted from the price history rather than taken from the $4.99 launch price. That is 9% below list price on average. Before Steam's cut, VAT and refunds. How these numbers are calculated.
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Media
History
2 data points since Aug 1, 2026. Gaps mean nothing changed — the value carries forward.
The revenue curve is an estimate, not a measurement. It is the only calculated series here: each interval takes the review growth of that period, multiplies it by the sales-per-review factor and by the price actually charged at the time, and adds the result to the running total. That is why it climbs more slowly through discount periods than the review curve next to it. The last point is the same figure quoted above — gross, before Steam's cut, VAT and refunds. How these numbers are calculated.
The blurred area is the rest of the history. 316 further data points reach back to Nov 1, 2010 — your plan shows the last 90 days of it. How far each series in particular reaches is written on its own chart; not every one of them goes back that far. The shape in the blurred area is decoration, not data: the figures are not in this page at all. Plus unlocks the complete series.
Lowest recorded price: $0.90 on Jun 10, 2019.
Similar games that found an audience
Games sharing at least 3 of this title's leading tags, with enough reviews to have gone somewhere. Ranked by how much they overlap, not by how big they are. − missing and + extra mark the tags each one does not share with Commander Keen. Studio counts the titles that developer has released — the closest thing to production scale that public data allows. It is not a budget, and nobody publishes those.
| Image | Name | Studio | Shared | Tag difference | Price | Reviews | Positive | Released | Revenue (estimated) |
|---|---|---|---|---|---|---|---|---|---|
|
Disney Classic Games: Aladdin and The Lion King | Digital Eclipse 24 titles | 6 | same tags | $19.99 | 356 | 68% | Tue, Oct 29, 2019 | $300k $133k – $1.9m |
|
Crystal Caves | Apogee Software 4 titles | 6 | same tags | $4.99 | 82 | 98% | Mon, May 05, 2014 | $18k $8k – $31k |
|
Secret Agent | Apogee Entertainment 29 titles | 6 | same tags | $4.99 | 68 | 97% | Mon, May 05, 2014 | $14k $6k – $25k |
|
Mega Man X Legacy Collection | CAPCOM Co., Ltd. 56 titles | 5 | − 1990's + Great Soundtrack | $19.99 | 3,976 | 79% | Tue, Jul 24, 2018 | $3.1m $1.4m – $17.4m |
|
Mega Man Legacy Collection | Capcom 25 titles | 5 | − 1990's + Pixel Graphics | $14.99 | 3,771 | 88% | Mon, Aug 24, 2015 | $2.7m $2.7m – $4m |
There are more like this. Your plan shows the 5 closest neighbours; Plus and Pro show up to 100 — enough to see the shape of a niche instead of a sample of it.