How many copies did Order of Battle: World War II sell?

An estimated 146k to 238k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Order of Battle: World War II make?

Order of Battle: World War II is free to play, so there is no copy-sales revenue to estimate.

How big is Order of Battle: World War II?

Estimated owners: ≈ 146k–238k; from 3k reviews (Mostly 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 Order of Battle: World War II out and predicted the genre from its 8 similar games. Every figure here, including Order of Battle: World War II's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 2.8M–10.9M

best case 52.2M (War Thunder)

The Multiplayer lane

A big, proven genre: most sell around 7.2M copies.

A typical game

≈ 7.2M copies

≈ $65.5M after Steam's cut

from ~147k reviews

Best case

≈ 52.2M copies

War Thunder

from 766k reviews

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with Free to Play + Simulation, priced around $50.
The games you compared span 2013 to 2020, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

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SteamVR Invalid Date	Est. copies ≈ 2.0M–3.3M SteamSpy 1M–2M	Est. revenue Free	Free	85k reviews Very Positive	VRSoftware +6
War Thunder 2013	Est. copies ≈ 39.8M–64.7M 5.2x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	766k reviews Mostly Positive	Free to PlaySimulation +6
World of Warships 2017	Est. copies ≈ 5.3M–8.7M SteamSpy 20M–50M	Est. revenue Free	Free	155k reviews Mostly Positive	Free to PlayNaval Combat +6
World of Tanks Blitz 2016	Est. copies ≈ 6.1M–9.9M SteamSpy 10M–20M	Est. revenue Free	Free	153k reviews Mostly Positive	TanksFree to Play +6
Heroes & Generals 2016	Est. copies ≈ 5.7M–9.2M SteamSpy 10M–20M	Est. revenue Free	Free	142k reviews Mixed	Free to PlayWorld War II +6
Hearts of Iron IV 2016	Est. copies ≈ 14.8M–24.1M 2.5x vs typical SteamSpy 5M–10M	Est. revenue $204.1M–$548.8M net $371.1M–$844.3M gross	$49.99	371k reviews Very Positive	StrategyWorld War II +6
Battlefield 4™ 2020	Est. copies ≈ 2.1M–3.5M SteamSpy 1M–2M	Est. revenue $23.4M–$63.0M net $42.6M–$96.9M gross	$39.99	81k reviews Very Positive	MultiplayerFPS +6
Sniper Elite 4 2017	Est. copies ≈ 2.2M–3.5M SteamSpy 2M–5M	Est. revenue $35.5M–$95.5M net $64.6M–$146.9M gross	$59.99	63k reviews Very Positive	SniperAction +6