How many copies did Odysseus Kosmos and his Robot Quest: Episode 1 sell?

18k to 29k copies, based on its 588 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Odysseus Kosmos and his Robot Quest: Episode 1 make?

Odysseus Kosmos and his Robot Quest: Episode 1 is free to play, so there is no copy-sales revenue to estimate.

How big is Odysseus Kosmos and his Robot Quest: Episode 1?

Estimated owners: ≈ 18k–29k; from 588 reviews (Very Positive)

A labeled estimate from the public review count (adjusted for release year), not exact sales. Owner data cross-checked with SteamSpy.

Does this actually work?

We left Odysseus Kosmos and his Robot Quest: Episode 1 out and predicted the genre from its 8 similar games. Every figure here, including Odysseus Kosmos and his Robot Quest: Episode 1's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 9.1M–26.2M

best case 37.7M (HELLDIVERS™ 2)

Games like Odysseus Kosmos and his Robot Quest: Episode 1

The middle of these games

≈ 9.1M–26.2M copies

≈ $114.9M–$445.4M after Steam's cut

from ~338k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

All 8 of your similar games are hits.

Best case: HELLDIVERS™ 2 at ≈ 28.7M–46.7M copies, ≈ $315.9M–$849.4M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Sci-fi (5 of 8) and Open World (4 of 8).
The winners: Winners here lead with Third-Person Shooter + Shooter, priced around $40.
The era: The games you compared span 2016 to 2024, and 1 of your 8 shipped in the last two years.

How these numbers were worked out

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

Copies come from each game's reviews times a sales-per-review rate that falls with release age, from about 31 for the most recent game here to about 52 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
No Man's Sky 2016	Est. copies ≈ 17.2M–28.0M SteamSpy 5M–10M	Est. revenue $284.5M–$764.9M after Steam's cut $517.2M–$1176.7M before the cut	$59.99	415k reviews Very Positive	Open WorldOpen World Survival Craft
STAR WARS Jedi: Fallen Order™ 2019	Est. copies ≈ 5.0M–8.2M SteamSpy 2M–5M	Est. revenue $55.4M–$149.0M after Steam's cut $100.7M–$229.2M before the cut	$39.99	175k reviews Very Positive	Action-AdventureSouls-like
Among Us 2018	Est. copies ≈ 22.7M–36.8M 2.2x vs typical SteamSpy 20M–50M	Est. revenue $31.1M–$83.6M after Steam's cut $56.5M–$128.6M before the cut	$4.99	745k reviews Very Positive	MultiplayerSocial Deduction
HELLDIVERS™ 2 2024	Est. copies ≈ 28.7M–46.7M 3.4x vs typical SteamSpy 20M–50M	Est. revenue $315.9M–$849.4M after Steam's cut $574.4M–$1306.8M before the cut	$39.99	1.2M reviews Mostly Positive	Online Co-OpPvE
Halo Infinite 2021	Est. copies ≈ 4.5M–7.3M SteamSpy 10M–20M	Est. revenue Free	Free	181k reviews Mixed	Free to PlayFPS
Destiny 2 2019	Est. copies ≈ 19.0M–30.9M 2.0x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	661k reviews Mostly Positive	Free to PlayOpen World
Halo: The Master Chief Collection 2019	Est. copies ≈ 7.5M–12.3M SteamSpy 5M–10M	Est. revenue $83.0M–$223.2M after Steam's cut $150.9M–$343.3M before the cut	$39.99	262k reviews Very Positive	Great SoundtrackFPS
Stellaris 2016	Est. copies ≈ 8.2M–13.3M SteamSpy 2M–5M	Est. revenue $112.6M–$302.8M after Steam's cut $204.7M–$465.8M before the cut	$49.99	197k reviews Very Positive	SpaceGrand Strategy