Agent Decker is a spy-themed solo deckbuilding game.
The author writes:
AGENT DECKER is a mission-based deckbuilding game for one player where you’ll acquire gear and skills by facing obstacles. The alarm raises every turn, so you must pick who you take out. Do you go for the cool weapon, or take out the security camera?
The download includes the print-ready cards and the rulebook for Agent Decker version 0001.