How many copies did Underground Defense Force -Sword and Sorcery and Swarm of Insects- sell?

Q: How many copies did Underground Defense Force -Sword and Sorcery and Swarm of Insects- sell?

471 to 766 copies, based on its 19 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Q: How much revenue did Underground Defense Force -Sword and Sorcery and Swarm of Insects- make?

$905–$2k after Steam's roughly 30% cut, derived from the copies estimate and its price.

Estimated copies sold: ≈ 471–766; $905–$2k after Steam's cut $2k–$4k before the cut; from 19 reviews (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 Underground Defense Force -Sword and Sorcery and Swarm of Insects- out and predicted the genre from its 8 similar games. Every figure here, including Underground Defense Force -Sword and Sorcery and Swarm of Insects-'s, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 123k–236k

best case 2.0M (Persona 3 Reload)

Games like Underground Defense Force -Sword and Sorcery and Swarm of Insects-

The middle of these games

≈ 123k–236k copies

≈ $658k–$2.9M after Steam's cut

from ~4k 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: Persona 3 Reload at ≈ 1.6M–2.5M copies, ≈ $25.6M–$68.8M after Steam's cut. A breakout hit, far above a typical game.

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 285 to 16k.

The genre you'd be entering

Your set: Your set clusters on Party-Based RPG (8 of 8) and Action RPG (4 of 8).
The winners: Winners here lead with Party-Based RPG + Turn-Based Strategy, priced around $47. The breakout hits carry Turn-Based Strategy + Adventure + Dating Sim; a typical game here doesn't.
The era: The games you compared span 2005 to 2025, and 3 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

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Persona 3 Reload 2024	Est. copies ≈ 1.6M–2.5M 16x vs typical SteamSpy 1M–2M	Est. revenue $25.6M–$68.8M after Steam's cut $46.5M–$105.9M before the cut	$59.99	63k reviews Very Positive	JRPGRPG
Expeditions: Rome 2022	Est. copies ≈ 168k–272k 1.7x vs typical SteamSpy 500k–1M	Est. revenue $2.1M–$5.6M after Steam's cut $3.8M–$8.6M before the cut	$44.99	7k reviews Very Positive	RPGStrategy
Dungeon Siege II 2005	Est. copies ≈ 183k–298k SteamSpy 500k–1M	Est. revenue $353k–$948k after Steam's cut $641k–$1.5M before the cut	$6.99	3k reviews Mostly Positive	RPGFantasy
Dungeon Siege 2011	Est. copies ≈ 269k–437k SteamSpy 500k–1M	Est. revenue $516k–$1.4M after Steam's cut $939k–$2.1M before the cut	$6.99	4k reviews Very Positive	RPGFantasy
Atelier Yumia: The Alchemist of Memories & the Envisioned Land 2025	Est. copies ≈ 81k–132k SteamSpy 50k–100k	Est. revenue $1.6M–$4.2M after Steam's cut $2.8M–$6.5M before the cut	$69.99	3k reviews Mixed	ExplorationFemale Protagonist
Wartales 2023	Est. copies ≈ 882k–1.4M 9.2x vs typical SteamSpy 1M–2M	Est. revenue $8.5M–$22.8M after Steam's cut $15.4M–$35.1M before the cut	$34.99	36k reviews Very Positive	RPGOpen World
Our Adventurer Guild 2024	Est. copies ≈ 87k–141k SteamSpy 100k–200k	Est. revenue $357k–$959k after Steam's cut $649k–$1.5M before the cut	$14.99	3k reviews Overwhelmingly Positive	Turn-Based Tactics Management
Dungeons & Dragons: Dark Alliance 2021	Est. copies ≈ 117k–190k SteamSpy 200k–500k	Est. revenue Free	Free	5k reviews Mixed	Co-opAction