WARSHIFT, which was also created in Unity. I think this game’s visuals blows Meridian out of the water.
Gunpoint doesn’t seem to be mentioned anywhere either, but not the “most ambitious” project by any means.
EDIT:
Actually, I want to bring out the discussion a little bit more. What really defines a game being developed solo? (I’ve asked this before, but there’s never a consensus.) Almost all of the games we’ve mentioned have had some help along the way, either to finish it up with content, or at least for music and sound effects, or even straight up contracted visuals.
This really irks me whenever the topic comes up.
A game like Papers, Please, I can say was completely done solo, in the truest sense of the word. Lucas Pope developed and implemented all creative aspects of the game.
A game like Braid, can’t be classified as solo, because Jonathan Blow contracted out artwork and audio.
A game like Gunpoint, I also think was contracted out for artwork.
Banished was “almost” developed solo; he programmed it and did all of the artwork/animation, and some audio, but I don’t think all of the audio.
A game like Dust: An Elysian Tale has an author who nearly implemented everything creative, but had help with voiceover work.
Anything that Jeff Vogel creates. Is that solo? He contracts out his artwork too.
So, where do you draw the line? When can you say a project is solo? I think contractors make a huge difference in the quality of a game, and yet they seem to always go unrecognized. I really hate that.