Steins;Gate's "power system" is time travel mechanics, not combat abilities. The science is treated with unusual rigor — the show draws on real physics concepts (Many Worlds Interpretation, attractor fields) while building its own internally consistent rules.

The D-Mail System

D-Mails (Divergence Mails) are text messages sent to the past using a microwave-phone combination. Each D-Mail changes the past and shifts the story onto a different worldline. The further the divergence from the original, the more different the new worldline.

Worldlines and the Divergence Meter

Worldlines are parallel timelines. The Divergence Meter measures how far the current timeline has diverged from the original — measured to 6 decimal places. Below 1% divergence leads to Steins;Gate timelines. Above certain thresholds leads to catastrophic futures controlled by SERN.

Reading Steiner

Okabe's unique ability to retain memories when worldlines shift. Everyone else's memories update to match the new timeline — only Okabe experiences the dissonance of remembering a history that no longer happened. This ability is both his greatest power and his greatest curse.

Attractor Fields

Certain events are so causally necessary that time itself converges on them regardless of what changes are made. Mayuri's death in the Beta worldline is an attractor — every attempt to save her just results in a different cause of death. Breaking an attractor field requires finding the one worldline where the event's necessity is resolved differently.