How many copies did Tennis Life sell?

521 to 846 copies, based on its 21 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Tennis Life make?

Tennis Life is free to play, so there is no copy-sales revenue to estimate.

How big is Tennis Life?

Estimated owners: ≈ 521–846; from 21 reviews (Mostly Negative)

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 Tennis Life out and predicted the genre from its 8 similar games. Every figure here, including Tennis Life's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 244k–884k

best case 1.7M (Stronghold Crusader HD (2012))

Games like Tennis Life

The middle of these games

≈ 244k–884k copies

≈ $1.4M–$6.2M after Steam's cut

from ~10k 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: Stronghold Crusader HD (2012) at ≈ 1.3M–2.2M copies, ≈ $3.7M–$9.8M after Steam's cut.

What it took to get here

About half the games that made it here had over 3k reviews in their first month; the spread ran 484 to 8k.

The genre you'd be entering

Your set: Your set clusters on Real Time Tactics (6 of 8) and Building (5 of 8).
The winners: Winners here lead with Military + City Builder, priced around $10.
The era: The games you compared span 2013 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 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
Stronghold Crusader HD (2012) 2013	Est. copies ≈ 1.3M–2.2M 2.0x vs typical SteamSpy 1M–2M	Est. revenue $3.7M–$9.8M after Steam's cut $6.6M–$15.1M before the cut	$9.99	21k reviews Overwhelmingly Positive	MilitaryCity Builder
Stronghold 2: Steam Edition 2017	Est. copies ≈ 198k–322k SteamSpy 500k–1M	Est. revenue $816k–$2.2M after Steam's cut $1.5M–$3.4M before the cut	$14.99	6k reviews Very Positive	City BuilderReal Time Tactics
Stronghold: Definitive Edition 2023	Est. copies ≈ 256k–416k SteamSpy 500k–1M	Est. revenue $1.1M–$2.8M after Steam's cut $1.9M–$4.4M before the cut	$14.99	10k reviews Very Positive	City BuilderStrategy
The Lost Village 2024	Est. copies ≈ 77k–126k SteamSpy 500k–1M	Est. revenue $255k–$687k after Steam's cut $464k–$1.1M before the cut	$11.99	3k reviews Mostly Positive	Base-BuildingResource Management
Planetary Annihilation: TITANS 2015	Est. copies ≈ 717k–1.2M SteamSpy 500k–1M	Est. revenue $5.9M–$15.9M after Steam's cut $10.7M–$24.5M before the cut	$29.99	15k reviews Very Positive	RTSStrategy
Stronghold HD (2012) 2013	Est. copies ≈ 659k–1.1M SteamSpy 200k–500k	Est. revenue $1.1M–$2.9M after Steam's cut $2.0M–$4.5M before the cut	$5.99	10k reviews Overwhelmingly Positive	Real Time TacticsCity Builder
The Battle of Polytopia 2020	Est. copies ≈ 148k–241k SteamSpy 500k–1M	Est. revenue $611k–$1.6M after Steam's cut $1.1M–$2.5M before the cut	$14.99	6k reviews Very Positive	StrategyTurn-Based
Dune: Spice Wars 2023	Est. copies ≈ 336k–546k SteamSpy 1M–2M	Est. revenue $3.2M–$8.7M after Steam's cut $5.9M–$13.4M before the cut	$34.99	14k reviews Mostly Positive	ManagementSingleplayer