YCF25ยท AIFifth Door
Create and play games with AI
ActiveChecked 17h ago
Founders
- Daniel KanFounder/CEO
- Amir GhazvinianFounder/CTO
Same space
Competitors
Closest in what they build, same category.
WavedashX25Play the latest games in your browser with no downloadsShared: gamingActive
Evo.DoW19QA Bots for GamesShared: gamingInactive
nunu.aiW23Building the first multimodal agents to play and test games.Shared: play, gameActive
PopsX26Create & play AI games with friendsShared: gamingActive
StarS22Make games with AI - no coding requiredShared: gamingActive
Adjacent
Overlapping tags, a different niche.
VectordashW19Play high-end PC games on your laptop by streaming them.Shared: gamingInactive
HyperpadS14Create, Share, Play Mobile Games on the iPad.Shared: gamingActive
Mino GamesW11Mobile games companyShared: gamingActive
KoducoS10iPad games.Shared: gamingInactive
MayhemW18Mayhem is the easiest way to play with your gaming community.Shared: gamingAcquired
Also from F25 in AI
Batchmates in Fall 2025.
Fifth Door: questions
Which YC batch was Fifth Door in?
Fifth Door was in Y Combinator's Fall 2025 batch (F25).
Is Fifth Door still active?
Y Combinator lists Fifth Door as active.
Who founded Fifth Door?
Fifth Door's founders, as listed on its YC page: Daniel Kan (Founder/CEO), Amir Ghazvinian (Founder/CTO).
Where is Fifth Door based?
Fifth Door lists San Francisco, CA, USA as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.