How many copies did Holyday City: Reloaded sell?

An estimated 50k to 81k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Holyday City: Reloaded make?

Holyday City: Reloaded is free to play, so there is no copy-sales revenue to estimate.

How big is Holyday City: Reloaded?

Estimated owners: ≈ 50k–81k; from 2k 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 Holyday City: Reloaded out and predicted the genre from its 7 similar games. Every figure here, including Holyday City: Reloaded's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 3.3M–3.9M

best case 3.6M (Business Tour - Board Game with Online Multiplayer(大富翁))

The Strategy lane

A big, proven genre: most sell around 3.6M copies.

A typical game

≈ 3.6M copies

≈ $51.9M after Steam's cut

from ~67k reviews

Best case

≈ 3.6M copies

Business Tour - Board Game with Online Multiplayer(大富翁)

from 80k reviews

4 of your 7 games sit in the typical range; 3 are too small to compare.

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 Board Game + Free to Play, priced around $22.
None of the games you compared shipped in the last two years; the newest is from 2019. That says more about your picks than about the market, so add newer similar games to read the timing.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

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Business Tour - Board Game with Online Multiplayer(大富翁) 2017	Est. copies ≈ 2.7M–4.5M SteamSpy 5M–10M	Est. revenue Free	Free	80k reviews Mixed	Board GameFree to Play +6
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Prison Architect 2015	Est. copies ≈ 3.4M–5.5M SteamSpy 5M–10M	Est. revenue $28.1M–$75.6M net $51.1M–$116.4M gross	$29.99	74k reviews Very Positive	SimulationBuilding +6
Turmoil 2016	Est. copies ≈ 641k–1.0M too small to compare SteamSpy 1M–2M	Est. revenue $2.3M–$6.2M net $4.2M–$9.5M gross	$12.99	16k reviews Very Positive	ManagementMining +6
Parkitect 2018	Est. copies ≈ 246k–399k too small to compare SteamSpy 500k–1M	Est. revenue $2.0M–$5.4M net $3.7M–$8.4M gross	$29.99	8k reviews Very Positive	RelaxingLevel Editor +6