PSP Games Starting with "S": Need More Details to Recommend

There are dozens of PSP games starting with "S" across every genre. To give you a targeted recommendation, I need a bit more information.

What to Specify

• Genre: Action, RPG, Strategy, Puzzle, Racing, Sports, Visual Novel, etc.
• Theme/Setting: Fantasy, Sci-Fi, Anime, Historical, Modern, Horror, etc.
• Goal: Looking for a specific title you forgot? Want hidden gems? Best-rated? Multiplayer?
• Language/Region: Japanese imports? English localized only?

Notable "S" Titles by Category (For Reference)

• Action: Syphon Filter: Dark Mirror, SOCOM: Fireteam Bravo series, Spider-Man titles
• RPG: Star Ocean: First Departure, Star Ocean: Second Evolution, Shin Megami Tensei: Persona 3 Portable
• Strategy: Spectral Souls, Summon Night series
• Racing: Split/Second, SBK series, Speed Racer
• Unique: Patapon (rhythm-strategy), LocoRoco (platformer), Echochrome (puzzle)

Reply with your preferences and I'll narrow it down!