SaaS / Digital Services

Humble Bundle sustainability score: 37/100

37/100
Below expectations
Joint 32nd of 69 in SaaS / Digital Services

Better than 50% of SaaS / Digital Services

Making progress starts at 46. The highest score on SINK is 71.

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About Humble Bundle

Head office USStaff ~150Revenue ~$100–200M (est., not publicly disclosed separately)Website ↗

Our verdict

Humble Bundle scores 37/100 (Below expectations) on SINK's independent climate assessment, scored from public data only. Scores are free. Nobody can pay to change a score, speed it up or hide it. Last verified September 2026.

That places Humble Bundle joint 507th of 1,023 companies scored, and joint 32nd of 69 in SaaS / Digital Services.

The ten questions

What is Humble Bundle doing well, and where does it fall short?

Strongest on Controversies & Red Flags and Nature & Biodiversity Impact (8/10, 5/10). Weakest on Carbon Footprint: Operations and Carbon Footprint: Supply Chain (3/10, 3/10).

What's missing

Where Humble Bundle lost points

For each question that lost points, the evidence our public rubric looks for that we didn't find.

What would raise this score

  • Emissions from its own operationsPublish emissions figures for its own operations, even an estimate from energy bills.
  • Emissions from its supply chainAssess where its supply-chain emissions come from.
  • Whether its emissions are fallingShow its emissions are falling, even from energy bills or mileage.

Every question that lost points

  • Emissions from its own operations3/10No emissions figures for its own operations, not even an estimate from energy bills.
  • Emissions from its supply chain3/10No assessment of where its supply-chain emissions come from.
  • Whether its emissions are falling3/10No evidence its emissions are falling, not even from energy bills or mileage.
  • How clean its energy is4/10Less than half its energy shown to be renewable, or no transition plan.
  • Its effect on nature5/10Its effect on nature isn't measured or independently verified.
  • How it uses materials and handles waste5/10No measurable waste or recycling targets reported publicly.
  • Its effect on water5/10No measured water footprint with reduction targets.
  • Its climate targets5/10Its targets aren't science-based or committed to the Science Based Targets initiative.
  • How openly it reports5/10No dedicated sustainability role, board oversight or public report.

A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.

The calculation

How is Humble Bundle's SINK score calculated?

Same ten questions for every company. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale
Industry base impact
SaaS / Digital Services sector ceiling.
70 / 100
Performance score
Sum of the ten questions, each scored 0 to 10.
46 / 100
Raw score
Weighted average before scale penalty.
(0.3 × 70) + (0.7 × 46) = 53.2
Scale penalty
Multiplier based on total emissions. Bigger polluters lose more.
× 0.7
Final score
Rounded. Below expectations.
37 / 100
How this score has moved

Has Humble Bundle's score changed?

Humble Bundle's score has been reviewed 2 times and currently stands where it started, at 37.

02550751003718 September 2026377 November 2026
  1. 37 → 377 November 2026

    Correction, 7 November 2026: removed an unsourced emissions figure. Score unchanged.

  2. Scored 3718 September 2026

    Initial score 37 (score-company publish)

Where the evidence comes from

What evidence is Humble Bundle's score based on?

17 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.

[1]Source
sec.gov

“Performing an annual greenhouse gas (GHG) inventory process which is then third-party validated”

Q1Q2Q4Q7Q8
View →
[2]Source
publicnow.com

“we began measuring our carbon footprint in 2021 through an annual GHG emissions inventory process”

Q1
View →
[3]Source
s205.q4cdn.com
Q1
View →
[4]Source
smartenergydecisions.com

“Scope 3 emissions declined by 38% from 2022 to 2023 due to increased sourcing from CDP and SBTi-aligned suppliers”

Q2Q3Q8
View →
[5]Source
sec.gov
Q2
View →
[6]Source
stocktitan.net

“continuing to shrink our operational square footage year over year”

Q3Q4
View →
[7]Source
techpowerup.com

“Working with organizations at the forefront of meaningful environmental work, such as One Tree Planted, Coral Guardian, and Cool Effect”

Q5
View →
[8]Source
businesswire.com

“Humble raised more than $1 million last year for charities committed to addressing some of the biggest contributors to climate change”

Archived copy from 2026-01-04: the original link no longer opens for us.
Q5Q9
View →
[9]Source
en.wikipedia.org

“Humble Bundle, Inc. is a digital storefront for video games”

Q6
View →
[10]Source
nasdaq.com

“receiving validation of its science-based greenhouse gas (GHG) emissions targets from the Science Based Targets initiative (SBTi) and participating in CDP”

Q9
View →
[11]Source
businesswire.com
Archived copy from 2023-05-17: the original link no longer opens for us.
Q9
View →
[12]Source
pulse2.com
Q9
View →
[13]Source
web.archive.org

“the charity-focused storefront Humble Bundle is a separate team and not affected by these cuts”

Q10
View →
[14]Source
vice.com

“Humble Bundle Experiences Some Controversy Over Its March Humble Choice Selections”

Q10
View →
[15]Source
gamedeveloper.com
Q10
View →
[16]Source
pcgamer.com
Q10
View →
[17]Source
gameworldobserver.com
Q10
View →

If you believe a source has been misread or a newer version exists, submit a challenge.

For Humble Bundle

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    Humble Bundle: SINK sustainability score 37.

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Humble Bundle in context

How does Humble Bundle compare with other saas / digital services companies?

Where Humble Bundle sits among saas / digital services peers.

Among the 69 major saas / digital services brands we've scored, Humble Bundle is tied =32nd of 69, with 3 others.

=32/69
Humble Bundle's rank
39
Industry average
21
Industry low
71
Industry high
See all 69 in SaaS / Digital Services →
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