Added to PlayBloo
Ever been in an email fight with coworkers? — an office deckbuilding game.. Discovered on itch.io's new releases feed and added to the PlayBloo catalogue with verified source details.
Update sourceInbox Duel
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Inbox Duel opens on the game site in a new tab.
0 views 0 plays Released Oct 10, 2026 External GameSource checked
About Inbox Duel
Inbox Duel by YukiSora is a free card game about the modern battlefield: the email thread. Build your deck of corporate weaponry — cc's, replies-all, politely aggressive phrasing — and duel your coworkers. Six screenshots show the inbox.
Workplace-rage deckbuilding — every card is something you've wanted to type and didn't.
How to Play
Draft and play email-themed cards to win office duels against coworkers — manage tone, evidence and the dreaded reply-all.
Controls
Mouse – play cards
See the original itch.io page for the developer's control notes.
Tips & Tricks
The best email decks control tempo — force responses you've already prepared for.
Six screenshots = six coworkers. Learn each one's thread style.
Features
Email-fight deckbuilding
Office-themed card combat
Six screenshots of the inbox
Free in the browser
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