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Undertale

Undertale

AppID: 391540
Developer: tobyfox
Publisher: tobyfox
Sep 15, 2015

Current Price

$9.99

Estimated Owners

10.2M

Total Reviews

292.8K

Est. lifetime net (USD)

$36,888,018

Overview

Revenue Breakdown

Gross Revenue (Est.)$102,368,079
Regional Pricing (15%)-$15,355,212
Discounts (25%)-$21,753,217
Est. Refunds (5%)-$3,262,983
Steam Fee (30%)-$18,599,000
VAT & Taxes (15%)-$6,509,650
Net Revenue (Est.)$36,888,018

This is the stored import snapshot. Its model version, input observation dates and confidence score were not recorded. Actual revenue may vary significantly.

Supporting answers and recent review samples

Frequently Asked Questions

How much revenue has Undertale generated?

Since its release, Undertale is estimated to have generated approximately $102,368,079 in gross revenue on Steam as of Aug 26, 2025. After accounting for platform fees, refunds, and regional pricing adjustments, the developer's estimated net revenue comes to around $36,888,018.

How many copies has Undertale sold?

We estimate Undertale has sold approximately 10.2M copies worldwide on Steam as of Aug 26, 2025. This translates to an estimated revenue of $102,368,079 in gross revenue.

What game engine does Undertale use?

Undertale was developed using the GameMaker: Studio 1.4 game engine.

How much did it cost to develop Undertale?

The estimated development cost for Undertale was around $51,124 to develop. This budget covered everything from art and design to programming and marketing.

How many developers worked on Undertale?

The development team size for Undertale varied throughout development:

  • Primarily Toby Fox with assistance from Temmie Chang and others - Development (2013-2015)
  • Small team including Toby Fox and collaborators - Post-release updates (2015-2018)

Review Statistics

Overall Rating Overwhelmingly Positive
97% Positive 3% Negative

Positive

283.3K

Negative

9.4K

Game Information

Game Engine

GameMaker: Studio 1.4

Genres

Production Cost

Undertale (2015)

$51,124

Team Size

Development (2013-2015)

Primarily Toby Fox with assistance from Temmie Chang and others

Post-release updates (2015-2018)

Small team including Toby Fox and collaborators

Last updated: Aug 26, 2025

Detailed Revenue Analysis

Stored deduction breakdown

Total Reviews 292.8K
Boxleiter Multiplier × 35
Estimated Owners 10.2M
Current price (USD) $9.99
Gross Revenue $102,368,079

Deductions Applied

Regional Pricing (15%) -$15,355,212
Discounts (25%) -$21,753,217
Estimated Refunds (5%) -$3,262,983
Steam Platform Fee (30%) -$18,599,000
VAT & Taxes (15%) -$6,509,650
Net Revenue $36,888,018

Review Analysis

Review Distribution

Positive Reviews 283.3K (97%)
Negative Reviews 9.4K (3%)

Review Metrics

Total Reviews 292.8K
Review Score Overwhelmingly Positive
Positive Ratio 97%

Game Details

Full Name

Undertale

Steam App ID

391540

Type

Game

Developers

tobyfox

Publishers

tobyfox

Release Date

Sep 15, 2015

Additional Details

Game Engine

GameMaker: Studio 1.4

Genres

Official Website

Visit Official Site

Age Ratings

Production Cost

Undertale (2015)

$51,124

Team Size

Development (2013-2015)

Primarily Toby Fox with assistance from Temmie Chang and others

Post-release updates (2015-2018)

Small team including Toby Fox and collaborators