# Deltarune's new chapters send fans back to Steam

> Deltarune’s new chapters drew 133,930 concurrent Steam players on launch day.

- Owner: Toby Fox
- Kind: Game
- Sector: Gaming
- Seed date: 2025-06-04
- Peak proxy date: 2025-06-04
- Date basis: Proxy date; not a directly measured attention peak.
- Spread Score: 41 (Notable), v1.3
- Mechanics: Mystery & lore, Pairing

## Summary

Toby Fox released Deltarune Chapters 3 and 4 in June 2025. Players discussed the game on Steam as it topped sales; Alinea estimated 788,000 Steam copies sold in June.

## Timeline

- 2025-04-02 — Toby Fox (Open web) — Fox announced Chapters 1–4 and a $24.99 price for the game.
- 2025-05-08 — Toby Fox (Open web) — Fox specified release times and said Switch 2 would launch at midnight in each region.
- 2025-06-03 — Toby Fox (Open web) — Fox warned players that video and social platforms might recommend spoilers.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/mcp#api).

Canonical URL: https://howitspread.com/cases/deltarune-chapters-three-four-2025

Cite as: How It Spread (2026). “Deltarune's new chapters send fans back to Steam.” Case HIS-01963. Spread Score v1.3: 41/100. Updated 2026-10-28. https://howitspread.com/id/HIS-01963