How about another kind of co-op: survival. Waves of monsters and bosses of increasing difficulty. You could say the Rooks found an area where mimics were gathering, and they want you to help fight them. After losing a certain amount of hit points, the Rooks could pull the players out because "it was getting too dangerous". This could be solo, pairs, or more, and you could have a rewards system similar to normal co-op.

Ability to have a pet (Probably a monster you already fought, And then bought at a store) Follow you around.
As well as growth and feeding, And certain ones give certain abilities.

Such as some pets can either attack, Block, Or heal you.

A trading system so if your in co-op you can give food to team-mates. You could trade people your furniture you dont want for spores. Same thing with cloths.

If NPCs can make our map, why can't we? It would be lovely if we had little stickers or tokens we could place on our map to mark when we've killed a quest monster or found something of interest (e.g. the composter) or found a good grinding spot. It would be even better if we could write on them =D

I love RoS, I think its a great game that I will be playing for years, I would really like to be a member but I'm not likely to with the current price of permanent membership. I permanent membership should be 50$ or lower. If I bought permanent membership for less, I would be more likely to spend more on brass.

It’s annoying when I have to wait for my goodies to hit the ground when I kill something. I want to be able to pick things up as soon as they spawn. Harder enemies are OK, but it gets ridiculous when a stray spore falls to the bottom of the level because I couldn’t pick it up in mid-air.

It will make co-op fair for everyone, and let non-guard try out the special attacks!

At the moment the items are kinda randomly sorted on the pages. The Usable/Other buttons are good but really there should be a way to sort items by HP restoration, status cures and alphabetically. Same goes for item shops. Clothing (for example) could have a sort by "colour" or "class".

It would be nice to sell/trade clothes since half way through buying my outfit, I realized I should have done for brown trim instead of blue and it's a pain to regrind for a mostly the same outfit D=

Would it be cool if you could select what music you want playing in your float? Wouldn't it be cooler if you could upload your own MP3's? Even if you can't upload your own music, even being able to choice from a few in-game songs is a lot better than the lame tune that plays in everyone's float.

When you drink a bottle of something, why does the bottle disappear?And when we eat a fruit, isnt there a peel left from it?Why cant we keep this stuff to use for compost?

Saves you from having to reload Nidaria again if you want to go on multiple co-ops with the same user.

I think that non-Nidarian Guards should be able to use the Spectra Circuit too. I mean why does it only need to be for Nidarian Guards? Its there why not let us use it?

Allow players to track trophy progress without needing to go to their trophy menu. On the Trophy Screen, when you look at a particular enemies trophy page add a "TRACK IT!" checkbox/radio button. Allow players to track 2-3 trophies at a given time.

When the player kills a monster that is on the tracker, have "x left to next trophy!" appear in the bottom left.

so, i think regular ppl should get more use for ores so i got this idea. treasure chests (randomly drop from mimics) and u could use different keys to open different chests

Momentum system please

I think there should be roomates so you room with your best RoS friend(s) and you could have shareable weapons and furniture. I think this idea would be pretty simple and would be a huge hit!

A public quest editor would allow players to make quests and propose them on the forums, meaning that new material is always coming in. There could be weekly contests for best quest (not dependent on rewards), where quests with higher votes could be looked at by Matt and incorporated into the game if he chooses.