The pancake launcher in Roblox Rivals appears to be obtained the same way other weapons are: by earning keys and unlocking it in the weapon shop, though I couldn’t verify a dedicated pancake-launcher guide from the available results. General Rivals weapon guides say weapons are unlocked with keys, and the wiki entry confirms that the game uses key-based weapon unlocks.

What to do

  • Play matches to earn keys.
  • Open the weapons/shop menu in Rivals.
  • Check whether Pancake Launcher is a regular unlock, limited skin, or event item.
  • If it’s locked behind an update or event, wait for the related rotation or requirement.

Why the info is fuzzy

The search results turned up weapon-unlock guides and related Rivals content, but nothing that specifically documented a Pancake Launcher unlock path. That usually means one of three things: it’s a newer item, it’s event-only, or players are using a nickname for another weapon.

Practical check

A fast way to confirm is to look at the weapon’s tooltip in-game:

  • If it shows a key cost, buy it with keys.
  • If it shows an event condition, complete that event.
  • If it is cosmetic-only, it may be in a skin case rather than a weapon slot.

TL;DR

You most likely get the Pancake Launcher by unlocking it with keys in the Rivals shop, but I couldn’t verify a pancake-specific source from the available results.