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How many copies did MechDefender - Tower Defense sell?

Estimated copies sold
≈ 10k–16k
$13k–$36k after Steam's cut $24k–$55k before the cut
from 369 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 MechDefender - Tower Defense out and predicted the genre from its 8 similar games. Every figure here, including MechDefender - Tower Defense's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 3k–68k
best case 107k (Warhammer 40,000: Warpforge)
The Card Game genre

3 of your 8 similar games are hits. A niche genre: plan for a small audience.

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

A typical game
≈ 3k–68k copies
≈ $7k–$29k after Steam's cut
from ~316 reviews
Best case
≈ 81k–132k copies
Warhammer 40,000: Warpforge
The genre you'd be entering
The launch
The games that made it here had roughly 7 to 2k reviews in their first month.
Under about 100 in month one, almost nothing recovers.
Your set
Your set clusters on Card Game (6 of 8) and Trading Card Game (5 of 8).
The winners
Winners here lead with Turn-Based Strategy + Warhammer 40K.
The era
The games you compared span 2016 to 2024, a genre with a long track record.

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

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Sizing up your own game? See what its genre can realistically do before you build it.