Compare before investing
Use the tree comparison to see the scale of two investments before committing badges, electricity, zent, and time.
Research command center
Last Z Research Guide and Progress Tracker
Research is easier to manage when each tree has a saved percentage and the remaining cost is visible beside competing priorities.
Enter your speed bonus
Adjusted time estimates divide published base time by the account research-speed bonus. They are planning values, not a promise of the exact timer shown in game.
Save tree progress
Signed-in account sync keeps tracked research percentages with the commander profile so the planning view can follow the player across devices.