pdftris
Games
browser tetris clone
SHOW HN2025
How HN took it
23 positive, 47 neutral or asking, 8 mixed, 22 critical, out of 100 comments about the project. Thread score +0.00.
Execution: 5 for, 17 againstIdea: 10 for, 1 againstPrivacy: 0 for, 4 againstPerformance: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Impressive ingenuity and cleverness in working around browser restrictions
From 3 comments
It's hard to overstate the ingenuity that went into this! Despite what people say in the comments here, both browsers really do not let you execute PDF JavaScript willy nilly.…
weinzierl on HNThis is an affront against god. Good work.
LetsGetTechnicl on HNBrilliant!
josefritzishere on HN
Fun and amusing hack
From 3 comments
This is hilarious
maalber on HNSo cool
nickcageinacage on HNI just wish I could print this
miningape on HN
Objections
Does not work in several viewers such as Evince, Safari, Preview and pdf.js
From 4 comments
You glorious bastard, what a cool project! This is already a contender for most hacker project of the year :-) (below is not serious) I would advise people against using this in…
freedomben on HNdidn't work in safari's embedded reader. no text either, just a blank page. or did i not wait long enough?
jiveturkey on HNWow, I had no idea PDFs could be this dynamic. Doesn't work in Mac OS preview or quicklook but works great in chrome.
alana314 on HNDoesn't work in pdf.js
lihaciudaniel on HN
Security risk of executing JavaScript in PDFs
From 3 comments
This is horrifying, PDFs should not be able to execute code.
UniverseHacker on HNThis is amazing and terrifying (I am a security engineer and parsing complex document formats is a never-ending treasure trove of vulnerabilities).
efitz on HNOops. I realized now, unknown PDFs are not safe.
meddah on HN
Printed copies lose the interactive controls
From 1 comment
You glorious bastard, what a cool project! This is already a contender for most hacker project of the year :-) (below is not serious) I would advise people against using this in…
freedomben on HN
Requests
Add Doom or more complex games
From 2 comments
I hope to see this evolved into doom by the end of the year. And it better not be just monochrome
theginger on HNBut can it run Doom ?
shivekkhurana on HN
Color support
From 1 comment
I hope to see this evolved into doom by the end of the year. And it better not be just monochrome
theginger on HN
Questions
How the maker got it working in Chrome
From 1 comment
OP, I still don't really understand how you got it to work in Chrome?
Uptrenda on HN
Which environments and PDF viewers support it
From 1 comment
"It was a bit tricky to find a union of features that work in both engines [..]" I am curious what the constraints are to make this work and in which environments it does? Does…
weinzierl on HN
Alternatives named
Atari Breakout PDF
From 1 comment
Atari Breakout for PDF: https://cdn.jsdelivr.net/gh/osnr/horrifying-pdf-experiments@master/breakout.pdf
internetter on HN
Flappy Bird PDF made with Claude
From 1 comment
This is awesome. Took a bit of prompting but was able to get a semi-working (only in Chrome) Flappy Bird out of Claude in ~10 minutes. Seems like the collision detection needs…
bwjx on HN
Snake game in a resume PDF
From 1 comment
I did the same but with snake: https://roberts.pm/resume.pdf (Game at bottom -- though only works in Firefox and adobe. Now I need to add chrome support, thanks op. lmao) Edit:…
Uptrenda on HN