: Consistently using the Dark Matter machine is essential for filling the final slots of various pet tiers.

: Some players utilize unofficial or "fake" versions of Pet Simulator X where indexes are modified or pets like the "Huge Rainbow Lucky Block" can be hatched instantly. While these allow for a "fake finish" of an index, they do not carry over to the official BIG Games experience. The Fastest Legitimate "Fast-Finish" Strategy

: Buying missing common, rare, or Dark Matter pets from the Trading Plaza is often faster than hatching them yourself, especially for older or event-limited pets.

: Many online videos claim to show "secret dupe glitches" or instant completion methods. These are frequently identified as clickbait or Photoshopped and often lead to scams or account security risks.