Difficult and interesting question! I like a lot of my fics for different reasons (I am one of those people that occasionally re-reads their own fics because I am my own intended audience), so have a more involved answer. Minor spoilers below.
Fic I enjoyed writing the most:
this is your hardest scene – one of my lesser-known works! This was born when I thought about Hope the Cat too much (I owned cats growing up) and how little recognition there is in wider fandom of how pointless and painful her death was (because it was at the hands of c!Tommy) and the bonds between humans and pets. This was written before the finale streams, so it’s not exactly canon-compliant, but this fic uses her death as a type of breaking point for c!Dream in how much he is willing to lose to try and save the SMP – and where he draws the line. It was my favourite to write because a) kitty :D, b) canon divergence implied happy ending, c) cool dream sequence scene, and d) I did it in one day and the words flowed easily, which is a not-insignificant factor in writing enjoyment.
What I think is my most underrated fic (if I do say so myself):
INT: SAM’S OLD BASE, THE CELLAR – NIGHT. This one’s in Second Person POV, and it’s very short, and could probably be considered one of those “canon-compliant in that it’s not contradicting canon in any way it’s just a missing scene” fics. Leaping into c!Sam’s head and investigating the idea of lowkey perpetrator trauma as well as his skewed perception of his own actions through his eyes was interesting, and honestly I think more people should give this a shot.
Favourite spite-written fic:
Duplicity – I finally got sick of seeing one too many Manhunt!Dream = Good and DSMP!Dream = Evil fics that refused to investigate the idea of a crossover between the two with any sense of DSMP canon portrayed accurately, let alone nuance. This was typed out in a near-feverish haze of spite in about 40-50 mins, read through for typos, and then posted as-is. It did seem to speak to people :D
Favourite Awesamdream fic:
Ooh, it’s a toss up between Twenty-One Steps in the Desert and home to roost. The first is experimental in format, which made it fun to create and discover as I went along how it was forming, while the second presents a very interesting idea (in my opinion) for DSMP S2 and the connection between Sam Prime and c!Sam, because all your sins really do come home to roost when you’re a fictional character. The dream-like phantasmagoria of "Twenty-One Steps in the Desert" and all the symbolism shoved in there makes it stand out as more of an exploration of the emotional/mental state of the relationship between the two characters, while "home to roost" sets a distinct scene and implies a lot with its ending as to how the future could shake out.
The fic I think shows my writing skills best:
i wish to reclaim the rising – now this might be just because this fic has the highest word count, therefore giving my writing more space to display itself, but I do still love this fic, even if 3/4 of the main characters’ IRL actors now make me want to bash my head against a wall. I think this fic displays my physical description and setting ability, as well as my character relationship, development, and interaction ability very well, and I do look forward to finishing it eventually.
Fic I love the ending of the most:
nursed itself well (or died) – the amount of people who came crying to me in my comments over how the fic tagged with “Bittersweet Ending” did, indeed, have a bittersweet ending was quite large, hehe. Writing this fic was like pulling teeth at times, but I’m very proud of how it turned out, and the dream sequence in the final chapter is up there on the list of favourite scenes I have ever written. Sometimes the objectively best ending for a character is still one that is sad, and this fic demonstrates that perfectly, I feel. Also the poem I derived the titles from is very cool and I highly recommend a read.
Favourite canon-compliant (or at least not canon non-compliant) fic:
02:47 a.m. on the prime path in july – this fic indulges the idea of c!George and c!Punz actually interacting on-screen, with c!Dream as the heavy shadow over them. It’s an exploration through a conversation of the differences between them, the ways they mirror each other, and the places they diverge. Writing the two of them talking to each other (and past each other) while the audience knows more than either of the characters was very interesting, and I think it serves well as a missing scene.
Favourite canon-divergence fic:
Visitor – this was a hard one to choose, with second place going to Accident. I landed on this one because I enjoy the whole set-up here, and how it doesn’t necessarily imply a fix-it. The inclusion of c!George into the Plan and the scheming gives c!Dream more people in his corner and at the same time compounds his situation further because in no way is c!George someone with a strong moral compass. He is fully willing to burn the world down if he doesn’t get what he wants. In addition, c!Punz gets to have some perpetrator trauma as a treat, and the nuance there fleshes them out more as a character.
blood money – inhuman!Dream and AFAB!Punz, what is there not to love? This fic catapults between its very serious main scene and its hilarious bonus scene, but never quite crosses into crackfic territory. I enjoy the amount of implied worldbuilding and backstory I’ve managed to shove into this short fic, and the relationship between the two characters which has a totally different spin on it than DSMP canon.
Other fics that need a shout out:
Covenant – canon found dead in Miami as Eggpire!Punz rescues c!Dream from Pandora’s Vault
Smile – DIY mostly off-screen dentistry with the Staged Duo boys