Idle Hero TD update 12.43 is now rolling out on PC (Steam). According to the official Idle Hero TD patch notes, the latest update 12.43 added quality of life improvements and gameplay optimizations.
Since the last patch, players are facing a number of problems with the game. Today’s Idle Hero TD patch 12.43 will fix a few of these issues.
Check out more details below.
Idle Hero TD Patch 12.43 Notes – July 28, 2025
New Content:
- New Progressive Rank Exp upgrade in the Tournament menu.
Changes:
- In the Tournament upgrade menu, the cost of the +2 flat exp upgrade was reduced by 33%. Your levels were automatically adjusted (increased) to account for the lower cost.
- In the Weekly Tickets upgrade menu, the former +3 flat exp upgrade changed to +2 progressive exp. Since this is much more powerful, the cost increased from 10 to 30. Your levels were automatically adjusted (reduced) to account for the higher cost.
- Increased the max level of the Ultimus Min Spawn Wave automation workshop.
- Skills that hit multiple enemies can no longer trigger a splash effect on those extra enemy hits. Only the initial hit from the projectile on the targeted enemy can splash.
Bug Fixes:
- Fixed a server-side issue causing many players’ Community Event scores to not get submitted. We were hitting some rate limits on the server, but this has been resolved.
Download Idle Hero TD update 12.43 on PC.
