publish: true gemini: true tags:

• game_studies
• statistics
• systems_thinking created: ‘2026-05-04 14:40’ last_modified: ‘2026-05-04 14:40:00’ status: evergreen confidence: fact

Auto popping PS4 trophies on PS5 alters the statistical value of Platinums

When a developer allows a player to import a PS4 save file and instantly unlock the corresponding PS5 Platinum, it artificially inflates trophy counts without requiring new mechanical effort. This demonstrates how Local optimization often leads to global sub-optimization in leaderboards.¹

Footnotes

1. PSNProfiles Leaderboard Rule Adjustments. ↩