Salvage UnionSalvageUnion.ioThe Salvage Union SRD

Core Mechanic

When a player declares an action within the game that has an uncertain, risky, or potentially inter- esting outcome, they roll a 20-sided die. This is referred to as a d20, or 'the die'. Salvage Union only uses this one die, and it is all you need to resolve situations in the game.

Source: Salvage Union Workshop Manual, p. 232