How long is Ratatan?
Ratatan.pro editorial team · Updated 2026-10-16
Player-time snapshot, not a current ending benchmark
| Style | Research snapshot | Limit |
|---|---|---|
| Main story | About 9 hours | HowLongToBeat community report; full-release version coverage unverified |
| Main plus extras | About 19 hours | Same historical research snapshot, not a publisher measurement |
| Completionist / full-release ending | No verified estimate | Do not infer a time from the older sample |
The 16 October research notes recorded these figures from HowLongToBeat’s Ratatan search, a player-submitted source. The notes do not establish the number of submissions or build played. One matching game entry does not mean one timing submission, and this guide does not claim otherwise. Check the current entry’s version and sample before using a number to plan a purchase.
What the full release changes
The official v1.1.9 notes, 14 October 2026 explicitly add Episodes 3/4, World 6, the final boss, and the ending. These are story progression, not automatically optional extras outside a main-story estimate. After the ending, save data can be retained to replay episodes. No extra hours are fabricated for the new content.
Repeated attempts, upgrade choices, optional challenges, and solo versus online play can affect your own session length, but no separate measured averages were verified here. Welcome Mode is available for solo, not co-op. The 16 October notice also acknowledges an Episode 3 progression bug and lengthy later Dark Ratatan fights, with fixes or balance changes still planned. Use story scope and episode progression alongside the timing snapshot.
Sources
- Steam: Ratatan, US store and system requirements
- Publisher: Full Release FAQ (13 October 2026)
- Ratatan official website
- Community reference: Japanese Ratatan Wiki (may contain Early Access information)
Accessed 2026-10-16. Community references are not official patch notes.
Questions
Is 9 hours the official full-release length?
No. It is an earlier community figure whose version coverage is unverified. Version 1.0 adds Episodes 3/4 and World 6.
Does co-op take longer?
No separate current co-op timing sample was verified for this guide.