How many copies did GunZ 2: The Second Duel sell?

An estimated 553k to 899k copies, based on its 11k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did GunZ 2: The Second Duel make?

GunZ 2: The Second Duel is free to play, so there is no copy-sales revenue to estimate.

How big is GunZ 2: The Second Duel?

Estimated owners: ≈ 553k–899k; from 11k reviews (Mixed)

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 GunZ 2: The Second Duel out and predicted the genre from its 8 similar games. Every figure here, including GunZ 2: The Second Duel's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 35.1M–42.8M

best case 123.2M (PUBG: BATTLEGROUNDS)

The Multiplayer lane

A big, proven genre, though hit-driven: most sell around 36.6M copies, while a few break out far above.

A typical game

≈ 36.6M copies

≈ $76.9M after Steam's cut

from ~772k reviews

Best case

≈ 123.2M copies

PUBG: BATTLEGROUNDS

from 2.7M reviews

A breakout hit, far above a typical game.

7 of your 8 games sit in the typical range; 1 is a breakout hit far above it.

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 Survival + Shooter, priced around $5.
The breakout hits carry Battle Royale + PvP + Third-Person Shooter; a typical game here doesn't.
The games you compared span 2007 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

Game	Price	Reviews	Tags	Est. copies	Est. revenue
Team Fortress 2 2007	Est. copies ≈ 64.5M–104.8M 1.6x vs typical SteamSpy 50M–100M	Est. revenue Free	Free	1.2M reviews Very Positive	Free to PlayHero Shooter +6
Wallpaper Engine 2018	Est. copies ≈ 30.4M–49.4M SteamSpy 20M–50M	Est. revenue $41.7M–$112.1M net $75.8M–$172.5M gross	$4.99	1000k reviews Overwhelmingly Positive	MatureUtilities +6
PUBG: BATTLEGROUNDS 2017	Est. copies ≈ 93.9M–152.6M 3.5x vs typical SteamSpy 100M–200M	Est. revenue Free	Free	2.7M reviews Mixed	SurvivalShooter +6
Among Us 2018	Est. copies ≈ 22.4M–36.4M SteamSpy 20M–50M	Est. revenue $30.8M–$82.7M net $55.9M–$127.3M gross	$4.99	737k reviews Very Positive	MultiplayerSocial Deduction +6
ARK: Survival Evolved 2017	Est. copies ≈ 26.5M–43.1M SteamSpy 20M–50M	Est. revenue $109.4M–$294.2M net $199.0M–$452.6M gross	$14.99	772k reviews Very Positive	Open World Survival CraftSurvival +6
Rocket League® 2015	Est. copies ≈ 26.9M–43.7M SteamSpy 10M–20M	Est. revenue Free	Free	580k reviews Very Positive	MultiplayerFootball (Soccer) +6
Warframe 2013	Est. copies ≈ 34.8M–56.5M SteamSpy 20M–50M	Est. revenue Free	Free	669k reviews Very Positive	Free to PlayAction RPG +6
Apex Legends™ 2020	Est. copies ≈ 27.9M–45.3M SteamSpy 100M–200M	Est. revenue Free	Free	1.1M reviews Mixed	Free to PlayBattle Royale +6