Destroy any paper

Type a DOI. The paper becomes a level. Each claim gets armour from its evidence. Weak claims break fast. Strong claims take many hits.

Load a paper

Type a DOI, a doi.org link, or an arXiv ID. The title and abstract become the level, full screen.

To run through the full first page, drop a PDF here or choose a PDF. To play now, use the .

← → run ↑ or space jump ↓+jump drop down
X smash ↓+X dig Z Reviewer 2 On a phone, use the buttons.

Made by Charles Crabtree. Abstracts from OpenAlex. Armour scores are Claude's reading of the evidence on the page, not a formal quality rating.