Hi! I just read in your blog about Archibald's Adventures 2. I really like the idea of making it a semi-exploration game! Great.
I don't know how far you are in the development of the game (would be cool to know actually!), but I thought I'd share some ideas that I had.
- You say you don't want a “bring here the item X from the other side of the map” type of game, and I agree with that. However, I think a semi-rpg-like way of obtaining new abilities and devices would add some depth to the game, while still maintaining your plan of map and level layout. This would some times make the player encounter a level he cannot complete yet, but maybe if an in-game note would fix the confusion around that (You need X device/ability to complete this level). Then the player understands that he/she has to do other levels until he finds that upgrade.
- Aside from devices, you could have different abilities, such as higher jumps, faster running/rolling or whatever Archie will do

This would give the player a better feeling of progress, unlike in the original when you just did level by level without much changes.
- I don't know how much you guys like the "instant death and return to last save tower" system, but what about a life system? Instead of dying immediately, you would instead lose a portion of your life, allowing you to continue if you touched that spike or got hit by that drop of acid. You could get life upgrades through the game as well.
- The game could have some sort of collectibles. It wouldn't have to be necessary for the regular gameplay, it could be puzzle pieces of an image, parts of a machine that can open the door to the secret level in the end of the game, or something like that. That would it more rewarding to complete all of the levels, and giving it a better "finishing value".
- A GUN! All the time in Archibald 1, I've wished I could kill the monsters! Haha... Maybe it'd change the concept entirely... I don't know.
It's not like I'm a game expert or something. These are just ideas I had as a gamer. Maybe it's too much RPG-oriented, but I just like RPG-games I guess

I am not in any way complaining about the original, I just see a great potential in the sequel! You guys make such great games.

I hope you like some of my ideas.
Cheers, Daisycutter