Tools & Utilities

A collection of interactive utilities used across this site: event countdown presets, Union Raid boss HP checks, and wallpaper links.

Who This Is For

  • Players tracking event dates and release windows.
  • Union Raid players estimating remaining boss HP after team runs.
  • Community members looking for official wallpaper releases.

Countdown Timer

Load preset countdown configurations and override them with URL parameters for event, date, title, theme, shape, character, and overlay.

Open Timer

Union Raid Calculator

Enter level, boss, and player damage values to calculate remaining HP and visualize total damage contribution.

Open Calculator

Wallpapers

Download high-quality wallpapers featuring character art and designs. Multiple resolutions available for all devices.

View Wallpapers

Quick FAQ

Q: Where does countdown data come from?
A: Presets load from JSON files in static/data/countdown/, with optional URL overrides.

Q: Does the Union Raid calculator use local data?
A: Yes, boss HP values are loaded from boss.json on this site.

Q: Where should I go for policy details before purchases?
A: See Refunds, Shipping, and Terms.

Celeste full-body illustration