One headline title per major system

These are the sealed cartridges that anchor the high end of each console’s market — the headline pieces every serious collector knows by reference number alone.

1. NES — Stadium Events (1987). Withdrawn within months; fewer than 200 NTSC retail copies known.
2. SNES — Donkey Kong Country Competition Cartridge. Tournament-only distribution, fewer than 2,000 produced.
3. N64 — Super Mario 64 (1996, first print). Launch-day SKU, sealed, Players-Choice-free.
4. Sega Genesis — Tetris Mega Drive prototype. Prototype-tier, only a handful of confirmed examples.
5. Game Boy — Pokémon Red and Blue first-print sealed. Thin print, scarce in WATA 9.4 or above.
6. PlayStation — Black Label first-print Final Fantasy VII (1997). Three-disc set in original long box.
7. Saturn — Panzer Dragoon Saga sealed. Late-cycle low-print RPG; sealed copies extremely rare.
8. Neo Geo AES — Kizuna Encounter European cartridge. Fewer than 10 examples reported worldwide.
9. Atari 2600 — Air Raid sealed. Blue plastic cartridge, only a handful of confirmed sealed copies exist.
10. GameCube — Resident Evil 4 first-print sealed. Recent collector focus, growing premium on high WATA grades.