HUGE UPDATE LIVE NOW
Grandpa High on Retro Patch Notes — April 21, 2026
Aggregated from Steam, cross-tracked with Battle.net coverage on GamePatchNote.
Ive released a major update!
This update includes a wide range of changes and improvements across the game. A lot of systems have been reworked to improve the overall experience and bring the game closer to its intended direction that I want to take the game sence I will keep adding many more Free DLC.
Here are some of the main updates:
AI voices have been removed and replaced with voice actors (Grandpa is still unchanged for now)
Expanded variety of weapons
New gameplay mechanics
Updated and improved animations
Added a dynamic weather system
Some vehicles are now drivable
Save and load system has been added
Level design has been updated and improved
There are also additional smaller changes, fixes, and adjustments throughout the game.
This update represents a significant step forward, and we’ll continue improving things based on feedback. Theres many more features and the achivements that will be adding in the few upcoming weeks.
Thanks so much for playing and supporting the game!
Trailer for the update: