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

155k to 251k 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: ≈ 155k–251k; 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–11.4M

best case 64.7M (War Thunder)

Games like Order of Battle: World War II

The middle of these games

≈ 2.8M–11.4M copies

≈ $53.5M–$231.3M after Steam's cut

from ~147k 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: War Thunder at ≈ 49.3M–80.1M copies.

The genre you'd be entering

Your set: Your set clusters on Shooter (5 of 8) and War (5 of 8).
The winners: Winners here lead with Simulation + Vehicular Combat.
The era: The games you compared span 2013 to 2020, and none of them 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 79 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
SteamVR unreleased	Est. copies ≈ 2.1M–3.5M SteamSpy 1M–2M	Est. revenue Free	Free	87k reviews Very Positive	VRSoftware
War Thunder 2013	Est. copies ≈ 49.3M–80.1M 5.3x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	780k reviews Mostly Positive	Free to PlaySimulation
World of Warships 2017	Est. copies ≈ 5.4M–8.7M SteamSpy 20M–50M	Est. revenue Free	Free	156k reviews Mostly Positive	Free to PlayNaval Combat
World of Tanks Blitz 2016	Est. copies ≈ 6.4M–10.4M SteamSpy 10M–20M	Est. revenue Free	Free	153k reviews Mostly Positive	TanksFree to Play
Heroes & Generals 2016	Est. copies ≈ 5.9M–9.6M SteamSpy 10M–20M	Est. revenue Free	Free	142k reviews Mixed	Free to PlayWorld War II
Hearts of Iron IV 2016	Est. copies ≈ 15.6M–25.4M 2.6x vs typical SteamSpy 5M–10M	Est. revenue $215.0M–$578.2M after Steam's cut $391.0M–$889.5M before the cut	$49.99	376k reviews Very Positive	StrategyWorld War II
Battlefield 4™ 2020	Est. copies ≈ 2.0M–3.3M SteamSpy 1M–2M	Est. revenue $22.3M–$59.9M after Steam's cut $40.5M–$92.2M before the cut	$39.99	82k reviews Very Positive	MultiplayerFPS
Sniper Elite 4 2017	Est. copies ≈ 2.2M–3.5M SteamSpy 2M–5M	Est. revenue $35.7M–$96.1M after Steam's cut $65.0M–$147.8M before the cut	$59.99	63k reviews Very Positive	SniperAction