Boop Engine License
Boop Engine is a fork of Godot Engine. This page includes the Boop Engine commercial license summary, the Boop Engine Commercial License Agreement, and the MIT license text for Godot.
Boop Engine - Commercial License Summary
Copyright (c) 2026 David Baca. All rights reserved.
This project includes Godot Engine code licensed under the MIT License below.
Boop Engine proprietary modifications and additions are licensed under the
Boop Engine Commercial License Agreement below. The MIT license terms for the
Godot Engine portions remain in effect.
Boop Engine Commercial Licensing Summary
This summary is informational. Commercial use of Boop Engine is subject to the
Boop Engine Commercial License Agreement below.
Trailing 12-Month Revenue means your consolidated Gross Revenue (and funding or
advances attributable to your interactive products) over the most recent
12-month period, across your legal entity and any entities you control or that
control you.
Tier 1 - Community: $0, eligible up to $200k trailing 12-month revenue.
Tier 2 - Plus: $19.99 per dev per month, eligible up to $1M trailing 12-month revenue.
Tier 3 - Pro: $69.99 per dev per month, eligible up to $10M trailing 12-month revenue.
Tier 4 - Ultra: $199.99 per dev per month, eligible up to $10M trailing 12-month revenue.
Tier 5 - Studio: custom commercial terms, 1.5% royalty after $5M lifetime gross
per title.
Boop Engine Commercial License Agreement
Version: 2026-02-09
This Boop Engine Commercial License Agreement ("Agreement") is between you
("You") and David Baca ("Boop"). By downloading, installing, accessing, or
using Boop Engine, you agree to this Agreement. If you do not agree, do not use
Boop Engine.
1. Definitions
1.1 "Boop Engine" means the proprietary engine code, editor, tooling, and
related materials provided by Boop, excluding open source components
(including Godot Engine) that are licensed separately.
1.2 "Product" means any game or interactive software developed using Boop
Engine.
1.3 "Seat" means a single individual authorized to access and use the Boop
Engine editor or tools.
1.4 "Gross Revenue" means all revenue and other consideration attributable to
a Product, including sales, in-app purchases, subscriptions, DLC, ads,
sponsorships, streaming or distribution deals, crowdfunding tied to the
Product, and advances.
1.5 "Royalty Revenue" means Gross Revenue minus the following deductions:
refunds and chargebacks; sales taxes, VAT, or similar taxes collected and
remitted; platform or store fees (including console, mobile, or PC
storefront fees); and payment processing fees.
1.6 "Trailing 12-Month Revenue" means your consolidated Gross Revenue (and
funding or advances attributable to your interactive products) during the
most recent 12-month period, across your legal entity and any entities you
control or that control you.
2. License Grant
2.1 Subject to this Agreement and timely payment of any fees, Boop grants you
a non-exclusive, non-transferable, worldwide license to use Boop Engine to
develop, test, and distribute Products.
3. Open Source Components
3.1 Boop Engine includes Godot Engine code and other third-party components
that are licensed under their own terms. Those components are not covered
by this Agreement and remain subject to their original licenses.
4. License Tiers and Eligibility
4.1 Community (Free): $0. Eligible if your Trailing 12-Month Revenue is
$200,000 or less.
4.2 Plus: $19.99 per Seat per month. Eligible if your Trailing 12-Month Revenue
is $1,000,000 or less.
4.3 Pro: $69.99 per Seat per month. Eligible if your Trailing 12-Month Revenue
is $10,000,000 or less.
4.4 Ultra: $199.99 per Seat per month. Eligible if your Trailing 12-Month Revenue
is $10,000,000 or less.
4.5 Studio: Custom commercial terms for large studios and platform-scale
deployments.
4.6 If you exceed a tier's eligibility threshold, you must upgrade to the
appropriate tier within 60 days.
4.7 You may purchase a higher tier than required by your revenue level.
5. Fees and Royalties
5.1 Community, Plus, Pro, and Ultra tiers include no royalties.
5.2 Studio tier royalties: 1.5% of Royalty Revenue after the first
$5,000,000 of lifetime Gross Revenue per Product.
5.3 No royalties are due on revenue earned before the applicable lifetime
threshold in Section 5.2.
6. Reporting and Payment
6.1 If royalties apply, you must report Royalty Revenue and pay royalties
within 45 days after each calendar quarter.
6.2 You must keep accurate records relating to Gross Revenue and Royalty
Revenue for at least three years and provide them to Boop upon reasonable
request for audit purposes.
7. Seat Requirements
7.1 Each individual who accesses the Boop Engine editor or tools must have a
paid Seat subscription (Plus, Pro, or Ultra) unless you are eligible for the
Community tier.
7.2 Build servers and automated CI systems do not require a Seat, provided
they are used solely for building or testing Products.
8. AI Features
8.1 Access to Boop Engine AI features requires an active Boop Plus, Boop Pro, or
Boop Ultra subscription for the account using those features. Boop Ultra includes
higher AI usage limits than Boop Pro, which includes higher limits than Boop Plus.
9. Restrictions
9.1 You may not use Boop Engine to create a competing game engine or editor,
or to offer engine-as-a-service without Boop's written permission.
9.2 You may not remove or obscure Boop Engine or third-party notices.
9.3 You may not use Boop trademarks except as permitted by Boop's branding
guidelines.
10. Ownership
10.1 Boop retains all rights, title, and interest in Boop Engine. You retain
all rights in your Products, subject to this Agreement.
11. Termination
11.1 This Agreement terminates automatically if you materially breach it and
do not cure the breach within 30 days after written notice.
11.2 Upon termination, you must stop using Boop Engine and destroy or remove
all copies under your control, except as required to distribute Products
already shipped under this Agreement.
12. Warranty Disclaimer
12.1 Boop Engine is provided "as is" without warranties of any kind, whether
express or implied, including merchantability, fitness for a particular
purpose, and non-infringement.
13. Limitation of Liability
13.1 To the maximum extent permitted by law, Boop will not be liable for any
indirect, incidental, special, consequential, or punitive damages, or
any loss of profits or revenue, arising from or related to Boop Engine.
14. Changes
14.1 Boop may update this Agreement from time to time. If changes are
material, Boop will provide notice in the Boop Engine editor or website.
Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md).
Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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