As far as I know, most of the bugs have been beaten out of the game. I haven't put it at 1.0 because of aesthetic reasons - the font for the map's kind of unpolished, and I haven't gotten my hands on an original Xbox to play through the English beta of the 3D game (to compare their translation of certain things).
It's a fun game, and I'd recommend adding it to your queue.
Ren_Fern: The last merge item is a slingshot. You get it by merging rubber with the Y-stick. You get both those items by using the link cable to send a stick (which becomes a Y-stick in trade) and ivy (which becomes rubber in trade). I can send you a list of the known trade items if you want to add that to your ChapterCheat page.
Cestius: Haha yeah, we used that site quite a bit (in fact, renzdol actually contacted us to help). That said, the S Ending guide is incorrect (and very aggravating to try). If you're curious about the proper way to go about it...
**Find all three map parts and combine them **Go to the spot on the newly made map and find the giant rock **Use the link cable hook-up and search the rock to activate a mini-game.
**Explore, search the tombstone, and watch the cutscene. **Use water to wash off the tablet **Sleep in the room.
**Create a magnetic Fishing pole to get the key (3 item merge) **Unlock the door, then exit and come back to remove the bear
**Solve the hallway puzzle **Secret Ending activated!