A few weeks back Spelunker HD received an update, which added some new content. While most of the changes were expected, the trophy list was finally updated to include EX 8 – 10. Thanks to this change in the list, Spelunker HD has surpassed Burnout Paradise as the “most rewarding” or highest value trophy list on the PSN. This is no small feat, especially when you consider it has the value of about 2 games.
Sadly this only applies to the Japanese version of the game and requires all of the DLC, which will cost you around $50 dollars. If this is to high of a cost for you, you can always pick up the US version for $10 dollars. This might be the route to go, as the Japanese and EU/US versions stack, so you can achieve the platinum twice. Finally EX 7 – 10 aren’t currently available, but check back to JPS for more details as they arise.