How much revenue did System Shock® 2 (1999) make?

System Shock® 2 (1999) is free to play, so there is no copy-sales revenue to estimate.

How many copies did System Shock® 2 (1999) sell?

Q: How many copies did System Shock® 2 (1999) sell?

104 to 169 copies, based on its 2 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 104–169; from 2 reviews (2 user reviews)

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 System Shock® 2 (1999) out and predicted the genre from its 8 similar games. Every figure here, including System Shock® 2 (1999)'s, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 424k–544k

best case 1.6M (Atomic Heart)

The FPS genre

All 8 of your similar games are hits. A healthy genre for a game like yours.

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

A typical game

≈ 424k–544k copies

≈ $2.0M–$3.1M after Steam's cut

from ~13k reviews

Best case

≈ 1.2M–1.9M copies

Atomic Heart · ≈ $19.7M–$52.9M after Steam's cut

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on FPS (4 of 8) and Cyberpunk (3 of 8).
The winners: Winners here lead with Sexual Content + FPS, priced around $60. The breakout hits carry Sexual Content + Robots + FPS; a typical game here doesn't.
The era: The games you compared span 2011 to 2023, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
System Shock® 2 (1999) 2013	Est. copies ≈ 407k–662k too small to compare SteamSpy 200k–500k	Est. revenue Free	Free	8k reviews Very Positive	CyberpunkRPG
The Surge 2017	Est. copies ≈ 414k–673k SteamSpy 1M–2M	Est. revenue $1.7M–$4.6M after Steam's cut $3.1M–$7.1M before the cut	$14.99	12k reviews Mostly Positive	Souls-likeAction
Atomic Heart 2023	Est. copies ≈ 1.2M–1.9M 3.7x vs typical SteamSpy 1M–2M	Est. revenue $19.7M–$52.9M after Steam's cut $35.7M–$81.3M before the cut	$59.99	50k reviews Very Positive	Sexual ContentFPS
Garfield Kart 2015	Est. copies ≈ 656k–1.1M SteamSpy 500k–1M	Est. revenue $900k–$2.4M after Steam's cut $1.6M–$3.7M before the cut	$4.99	14k reviews Very Positive	Cult ClassicCombat Racing
System Shock 2023	Est. copies ≈ 307k–498k SteamSpy 500k–1M	Est. revenue $3.4M–$9.1M after Steam's cut $6.1M–$13.9M before the cut	$39.99	13k reviews Very Positive	ActionImmersive Sim
E.Y.E: Divine Cybermancy 2011	Est. copies ≈ 417k–677k too small to compare SteamSpy 500k–1M	Est. revenue $1.1M–$3.1M after Steam's cut $2.1M–$4.7M before the cut	$9.99	8k reviews Very Positive	CyberpunkRPG
Yet Another Zombie Survivors 2023	Est. copies ≈ 323k–525k SteamSpy 500k–1M	Est. revenue $1.3M–$3.6M after Steam's cut $2.4M–$5.5M before the cut	$14.99	13k reviews Very Positive	Early AccessAction Roguelike
Cyber Manhunt 2021	Est. copies ≈ 387k–628k SteamSpy 500k–1M	Est. revenue $1.1M–$2.9M after Steam's cut $1.9M–$4.4M before the cut	$9.99	16k reviews Very Positive	SimulationRPG