Flight or death-
A card game where everybody has a role to keep the plane operational while some have to sabotage the plane
Balance of Rha-
5 different roles with different ways for each player to win. Nobody knows your role but the player secrelty has to push their ideal to the public without grabbing too much attention.
Build That City-
You collect cards to build infrastructures based off what the game gave you. You can trade with other players to achieve your goal faster, but trade at your own risk.
To Ciph or Deciph
You get a random set up numbers and colors based off the card you drew and the player gets to ask questions to try to decipher your code.
KaBlooey
A random player has a bomb and they have to reach the goal before anyone else does. After every set of turns, and event card comes out which could either help you or screw you over.
I like that these concepts all lean into hidden roles and uncertainty; it gives them a nice tension right away. Balance of Rha sounds especially interesting because the quiet influence mechanic feels very social-strategy in a way that could get really interesting depending on how players read each other. KaBlooey also feels like pure chaotic energy in the best way. Overall, these feel like strong foundations that could get really fun once the rules tighten up.