How much revenue did Tunnel of Doom make?

$6k–$15k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Tunnel of Doom sell?

Q: How many copies did Tunnel of Doom sell?

1k to 2k copies, based on its 58 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1k–2k; $6k–$15k after Steam's cut $10k–$23k before Steam's cut; from 58 reviews (Mixed)

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid Tunnel of Doom and predicted how it would do from its 8 similar games. Every figure here, including Tunnel of Doom's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 936–2.6M

best case 33.8M (The Binding of Isaac: Rebirth)

Games like Tunnel of Doom

A typical game among these

≈ 936–2.6M copies

≈ $4k–$24.9M after Steam's cut

from ~123 reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

3 of the 8 similar games are hits.

Best case: The Binding of Isaac: Rebirth at ≈ 25.8M–41.9M copies, ≈ $106.2M–$285.5M after Steam's cut.

What their first month looked like

The games that made it here had under 42k reviews in their first month.

The genre you'd be entering

These games: The similar games share Action Roguelike (7 of 8) and Tower Defense (6 of 8).
The winners: Winners here lead with Action Roguelike + Rogue-like, priced around $15.
When they shipped: The similar games span 2014 to 2025, and 2 of the 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 70 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
The Binding of Isaac: Rebirth 2014	Est. copies ≈ 25.8M–41.9M 3755x vs typical SteamSpy 5M–10M	Est. revenue $106.2M–$285.5M after Steam's cut $193.0M–$439.2M before Steam's cut	$14.99	460k reviews Overwhelmingly Positive	Action RoguelikeRogue-like
Hades 2020	Est. copies ≈ 7.7M–12.5M 2533x vs typical SteamSpy 5M–10M	Est. revenue $52.9M–$142.2M after Steam's cut $96.1M–$218.7M before Steam's cut	$24.99	310k reviews Overwhelmingly Positive	Action RoguelikeRogue-lite
BLOOD RITE 2023	Est. copies ≈ 471–766 SteamSpy under 20k	Est. revenue $646–$2k after Steam's cut $1k–$3k before Steam's cut	$4.99	19 reviews Positive	Auto BattlerTower Defense
ENDLESS Dungeon™ - Definitive Edition 2023	Est. copies ≈ 95k–155k 31x vs typical SteamSpy 200k–500k	Est. revenue $393k–$1.1M after Steam's cut $715k–$1.6M before Steam's cut	$14.99	4k reviews Mixed	ActionTower Defense
Reynard 2019	Est. copies ≈ 1k–2k SteamSpy under 20k	Est. revenue $3k–$7k after Steam's cut $5k–$11k before Steam's cut	$8.99	37 reviews Mostly Positive	Action RoguelikeAction
One Shell Straight to Hell 2021	Est. copies ≈ 794–1k SteamSpy under 20k	Est. revenue $4k–$12k after Steam's cut $8k–$18k before Steam's cut	$19.99	32 reviews Mixed	Action RoguelikeTwin Stick Shooter
Hold on in the Dungeons 2025	Est. copies ≈ 0 SteamSpy under 20k	Est. revenue $0 after Steam's cut $0 before Steam's cut	$1.99	0 reviews No user reviews	SimulationStrategy
Psionic Awake 2025	Est. copies ≈ 5k–8k 1.7x vs typical SteamSpy 20k–50k	Est. revenue $7k–$19k after Steam's cut $13k–$29k before Steam's cut	$4.99	208 reviews Mixed	Shoot 'Em UpTower Defense