- Steam or GOG
- Steam
- Single Player/Multiplayer
- Both
- Operating System
- Windows 10
- Terraria Version
- 1.4.0.4
- Controls Used
- Keyboard/Mouse
The slayer of worlds states you must defeat all bosses to get the achievement. It states there are only 15 bosses (progress bar says x/15) when there are now 17 with the addition of queen slime and the empress of light. Evidence attatched. Loving the update!