Hi, I am just a beginner but I have  submitted 3 playable games in 3  game jams, 

1. One Man Shooter  3D zombie wave-based game - UE4 (Solo)
2. Cacthy Tables 2D game - UE5/Godot  (Duo)
3. Emotion Killer Top View Survival game - Godot (Duo)

Right Now Going to use Godot 

We are a team of two noobies, a designer and a programmer if you are interested in joining us Ping me