Innersloth

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An independent American game studio best known for creating Among Us and The Henry Stickmin Collection.

Last updated November 4, 2026

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Overview

Innersloth is an independent video game studio based in the Seattle metropolitan area, with its principal address in Redmond, Washington. Founded in 2015 by game developers Forest Willard and Marcus Bromander, the studio is known primarily for creating Among Us and The Henry Stickmin Collection. Its work combines compact, highly readable visual design with social interaction, deception, humor, and accessible multiplayer systems. The studio developed out of a group of creators with roots in online and Flash-game communities. Bromander, who has also used the online name PuffballsUnited, had built an audience through short interactive games, while Willard contributed programming and technical development. Innersloth initially operated as a small, largely remote team and emphasized making the kinds of games its members wanted to play rather than pursuing conventional publisher-led production. The company has described itself as independent and has stated that it had no outside investors, publisher ownership, or acquisition behind its growth. Innersloth released Among Us for mobile devices in June 2018 and subsequently brought it to personal computers and consoles. The game initially attracted very little attention, with a small concurrent audience and limited commercial visibility. The team continued improving it rather than abandoning the project, adding online multiplayer refinements, tasks, customization, and other updates in response to its early community. Its simple premise—crewmates complete tasks while hidden Impostors attempt to eliminate them and manipulate discussion—made it suitable for groups, livestreams, clips, and audience participation. Among Us became a global phenomenon in 2020 after prominent streamers and content creators began playing it during the pandemic. The growth was substantially organic rather than the result of a large paid advertising campaign. Streamer-led discovery transformed the game from a quiet independent release into one of the most visible multiplayer titles of the period. A widely publicized October 2020 Twitch broadcast featuring U.S. Representative Alexandria Ocasio-Cortez, Pokimane, and HasanAbi used the game to encourage voter registration and attracted hundreds of thousands of concurrent viewers. The game’s success generated awards, merchandise, licensing activity, platform promotions, and a large international community. The Henry Stickmin Collection, released in 2020, consolidated Bromander’s earlier Henry Stickmin games into a commercial collection and helped establish Innersloth’s wider catalog beyond Among Us. The studio has also worked on Dig2China and Among Us VR, while continuing to expand the Among Us property through updates, new formats, consumer products, and announced narrative projects. Its business scope therefore extends beyond game development into digital distribution, downloadable content, licensing, merchandise, community management, and support for other independent developers. In 2024, Innersloth launched Outersloth, an indie game fund intended to provide financing and advice to smaller studios. Outersloth uses a recoup-and-revenue-share approach and does not seek ownership of funded developers’ intellectual property. This initiative reflects the company’s attempt to use the commercial success of its own games to support a broader independent-development ecosystem. Innersloth remains a private, independent studio whose public identity is closely associated with player communities, creator-driven discovery, and the enduring Among Us brand.

History

Innersloth was established in 2015 by Forest Willard and Marcus Bromander, developers whose earlier work was connected to online and Flash-game communities. The studio adopted a deliberately small and independent structure, with remote collaboration and a focus on experimental, humorous games. Bromander’s earlier Henry Stickmin projects became the foundation for The Henry Stickmin Collection, while the team also developed the lesser-known Dig2China. The studio’s most important early project was Among Us, a social-deduction game released on mobile platforms in June 2018 and later made available for computers and consoles. Its initial launch was quiet. The game had a small player base, and the developers acknowledged that they were inexperienced at marketing. Rather than discontinue the project, they continued to refine its online multiplayer, tasks, customization, and social systems. This persistence preserved a small but committed audience. The turning point came in 2020, when streamers and content creators in Brazil, Korea, and elsewhere began featuring Among Us. The game’s rules were easy to understand, but its outcomes depended on conversation, trust, accusation, deception, and group performance—qualities that translated particularly well to livestreaming. Larger creators subsequently joined the trend, and the resulting exposure produced a rapid increase in players and cultural visibility. The growth was notable because it was not driven by a large paid influencer campaign. Instead, the game moved through creator communities and player recommendations. Among Us became one of the most watched games on Twitch during the second half of 2020. An October livestream involving Alexandria Ocasio-Cortez, Pokimane, and HasanAbi gave the game additional mainstream and civic visibility by linking play with voter-registration outreach. The sudden scale of attention created operational and community-management challenges for the small studio, but it also gave Innersloth the resources to expand its team, continue development, produce additional platforms and content, and support the game’s growing audience. The same period brought wider recognition for The Henry Stickmin Collection, which packaged Bromander’s earlier branching-comedy games for modern distribution. Innersloth subsequently broadened the Among Us brand through downloadable content, platform releases, Among Us VR, licensing, merchandise, and further media development. Its approach has generally emphasized free or low-cost core access on some platforms, optional cosmetic content, community engagement, and ongoing updates. In 2024, the studio created Outersloth, an indie game fund responding to the funding shortage and layoffs affecting the games industry. The program offers financing and support through a recoup-and-revenue-share structure while seeking to leave participating developers in control of their companies and intellectual property. This marked a shift from being solely a game maker to also acting as a source of capital and advice for independent development. Innersloth remains privately held and independent. Its public history is defined by a small-team production model, an initially unsuccessful launch that improved through persistence, an extraordinary creator-led breakout, and an effort to reinvest the benefits of that success in new independent games.

2024
Outersloth established
[3]Outersloth: Our New Indie Game Fundinnersloth.com
Innersloth launches an indie game fund offering financing and support to independent developers.
2021
Epic Games Store promotion expands reach
[2]Among Usen.wikipedia.org
A free promotion on the Epic Games Store produces a substantial increase in player activity and millions of claimed copies.
2020
Among Us breaks out through streaming
[2]Among Usen.wikipedia.org
Streamers and content creators drive rapid global growth, turning the previously obscure game into a major multiplayer hit.
2020
The Henry Stickmin Collection released
[1]Innersloth Press Kitinnersloth.com
Innersloth releases a collection of Marcus Bromander’s branching comedy adventure games.
2018
Among Us launches
[2]Among Usen.wikipedia.org
Among Us is released on Android and iOS, beginning with a small audience and limited commercial visibility.
2015
Studio founded
[1]Innersloth Press Kitinnersloth.com
Forest Willard and Marcus Bromander establish Innersloth as an independent game studio.

Products and positioning

Independent, creator-led game development centered on accessible multiplayer experiences, community participation, humor, and long-term support rather than conventional blockbuster publishing.

Multiplayer social-deduction game · 2018
Among Us
A multiplayer game in which Crewmates complete tasks while one or more hidden Impostors sabotage the group and eliminate players. Its central loop combines short rounds, social discussion, voting, deception, and cosmetic customization. First released on mobile in 2018, it later expanded to PC, consoles, and additional formats. The title became Innersloth’s defining property after a major creator-driven breakout in 2020.
Interactive comedy adventure · 2020
The Henry Stickmin Collection
A collection of branching, choice-based comedy adventure games built around the Henry Stickmin character. The collection modernized and consolidated earlier web-game projects associated with Marcus Bromander, presenting players with multiple choices, failures, endings, and humorous outcomes. It helped demonstrate that Innersloth’s catalog extended beyond its multiplayer hit.
Virtual-reality multiplayer game · 2022
Among Us VR
A virtual-reality adaptation of the Among Us concept that translates social deduction, task completion, sabotage, and player meetings into an immersive first-person setting. It extends the property into a distinct hardware format while retaining the group-oriented deception that defines the original.
Independent video game
Dig2China
An earlier Innersloth game referenced by the studio as part of its pre- and post-breakout catalog. Publicly available reference material provides limited detail about its mechanics and commercial history.
Indie game funding program · 2024
Outersloth
An Innersloth-created fund that provides capital and practical support to independent game developers. Outersloth describes its approach as recoup-and-revenue-share and says it does not seek ownership of funded developers’ intellectual property or companies. It is a support initiative rather than a conventional publishing label.

Marketing campaigns

2020Organic streamer discovery of Among Us
Global
Among Us spread through Twitch and other creator communities after streamers in several countries began playing it. The game’s short rounds and conversation-driven deception made it especially effective for livestream entertainment and audience participation. The campaign was primarily organic rather than a documented paid influencer program.
Outcome. The game became one of the most watched titles on Twitch and achieved worldwide commercial and cultural visibility.
Source
2020AOC Among Us voter-registration stream
United States · global online audience
Alexandria Ocasio-Cortez streamed Among Us with Pokimane and HasanAbi as part of an effort to encourage voter registration. The event connected the game with a high-profile civic message and brought it to audiences beyond ordinary gaming communities.
Outcome. The stream drew approximately 435,000 concurrent Twitch viewers according to contemporary campaign reporting and became a notable example of a game being used for civic outreach.
Source

Brand decisions

2024
Create the Outersloth indie game fundStrategy
Background
Innersloth cited industry layoffs, studio closures, and reduced access to independent-game financing as reasons for creating a support initiative.
Action taken
The studio established Outersloth to provide funding, advice, and introductions through a recoup-and-revenue-share model, while avoiding ownership of funded games’ intellectual property.
Aftermath
The program began supporting multiple independent projects and expanded Innersloth’s role within the indie-development ecosystem.
Source
2020
Release The Henry Stickmin CollectionProduct launch
Background
The studio had access to a body of earlier branching comedy games associated with Marcus Bromander’s online work.
Action taken
Innersloth consolidated the Henry Stickmin titles into a commercial collection for modern platforms.
Aftermath
The release strengthened the studio’s catalog beyond Among Us and contributed to its recognition as an independent developer.
Source
2018
Continue developing Among Us after a quiet launchStrategy
Background
Among Us initially attracted only a small audience and the studio recognized that its marketing was ineffective. A limited but vocal player community continued to provide a reason to improve the game.
Action taken
Innersloth retained the project and expanded online multiplayer, tasks, and customization rather than abandoning it.
Aftermath
The continued development left the game positioned to benefit when streamers discovered it in 2020.
Source

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