A deadlock or situation with no progress possible.
DeadlockStalemateObstacleNegotiation
Current best complexity is 13:
Impasse can be discovered in Concepts, categorized under Deadlock, Stalemate, Obstacle, Negotiation. A deadlock or situation with no progress possible.
It has been discovered by 4 boards and crafted 11 times, first appearing 4 months ago. Impasse can be created from 11 recipes, and goes on to appear as an ingredient in 10 others.
Impasse was first discovered by Slime's board 4 months ago. They also hold the lowest-complexity recipe, at 13.
Related concepts worth exploring include Barrier, Diplomacy, Sandtrap, Barricade, Logjam, Pitfall, and 6 more.