Here is the full list of all 12 Virtua Fighter 5 Final Showdown achievements worth 400 gamerscore.
Win a round by knocking your opponent out of the ring in Arcade Mode (any difficulty level)
Face off against Dural in Arcade Mode (any difficulty level)
Win a round without taking any damage in Arcade Mode (any difficulty level)
Win a match in Arcade Mode without losing a round (any difficulty level)
Perform a five-hit combo in Score Attack Mode
Play Score Attack Mode
Complete ten tests in License Challenge Mode
Complete five tests in License Challenge Mode
Play any training session in Tutorial Mode
Complete a test in License Challenge Mode
Play ten ranked matches
Play one ranked match