Iron Lung
store.steampowered.com
Short horror game about piloting a tiny submarine through an ocean of blood; adapted into a 2026 film.
diff ~/p/david-szymanski ~/p/edmund-mcmillen
Products, revenue & stack compared side by side.
American solo developer of Dusk and Iron Lung, the game behind Markiplier's 2026 film
Both David Szymanski and Edmund McMillen are bootstrapped and are serial makers. They overlap in Indie Game Makers. David is based in United States, Edmund in Santa Cruz, United States. David Szymanski has 6 products listed on IndieMakerList vs Edmund McMillen's 7. On X, David has about 194K followers and Edmund about 379K.
Revenue figures are self-reported by each maker and not audited; dates and scope differ. Highlighted categories are shared by both.
store.steampowered.com
Short horror game about piloting a tiny submarine through an ocean of blood; adapted into a 2026 film.
store.steampowered.com
Retro-style first-person shooter inspired by Quake and Doom.
store.steampowered.com
Stealth survival horror game co-developed with Dillon Rogers.
store.steampowered.com
First-person horror game about fighting cultists with improvised melee weapons.
bindingofisaac.com
Dark roguelike shooter about a child escaping into his mother's basement, expanded as Rebirth and Repentance.
supermeatboy.com
Brutally hard, fast platformer co-created with Tommy Refenes as Team Meat.
store.steampowered.com
Cat-breeding tactics roguelite co-created with Tyler Glaiel.
store.steampowered.com
Post-apocalyptic precision platformer made with Tyler Glaiel.
No tools in common in their publicly listed stacks. See the indie maker tech stack.
No stack shared publicly.
Neither David Szymanski nor Edmund McMillen has publicly reported a revenue figure that IndieMakerList tracks, so it's not public.
David Szymanski has 6 products listed (including Iron Lung, Dusk and Gloomwood); Edmund McMillen has 7 products listed (including The Binding of Isaac, Super Meat Boy and Mewgenics).
David Szymanski uses Unity. Edmund McMillen hasn't shared a stack. They don't list any tools in common.
David Szymanski: United States. Edmund McMillen: Santa Cruz, United States.
David Szymanski started in 2014 (12 years indie); Edmund McMillen's start year isn't listed.
Yes, both are listed as bootstrapped founders on IndieMakerList.
Read the full story, timeline and links on David Szymanski's profile and Edmund McMillen's profile.