TheDayAfter – open-source addiction recovery tracker
Open-source addiction tracker with AI coach and CBT tools when paid apps dominate.

Built in 2 days with Opus 4.7, proving AI can ship a full game loop fast.
Casual gamers, AI tooling enthusiasts
Sneaky Sasquatch · Hello Neighbor
I'm sharing this here mainly to serve as an indicator of what can be achieved early-2026 by a senior dev working with Opus 4.7 over 2 days using genuinely collaborative prompting. (ie plan->feedback->iterate)
Hope it provides some inspiration or entertainment - there's a level editor too - maybe Hacker Newsers could share their favourite creations here?
PS: If there's enough demand I'm happy to Open Source this (or DM me) - it's mainly just time restrictions at my end.
Open-source addiction tracker with AI coach and CBT tools when paid apps dominate.
Essay about social media addiction with no actual app to evaluate or test.
Precision sobriety tracking with savings calculator beats generic habit-builders, but app-only limits reach.
Retroburn captures the satisfying tug-and-thrust of old gravity-ship games: Newtonian gravity, atmospheric drag, and a neat risk/reward twist where using thrust eats your score. It's impressive how much is packed into a ~1.2k-line single-file HTML app (<50KB): procedural planets, tight keyboard controls, and quick sessions make it an addictive proof-of-concept rather than a platform-shifting release.
Open-source alternative to Woebot and Wysa with real CBT-based craving support.
Sudoku variant with berries and a $1.99 one-time purchase, but mobile puzzle games are incredibly crowded.