Qatastrophic Zombies is a modern zombie apocalypse modpack, it aimes at players looking for a semi-realistic zombie experience with a little touch of fantasy that merges with classic minecraft gameplay.

Recommended RAM Allocation:

• at least 6 for Client
• at least 8 for Server

Main Features:

• Optimization Mods that makes your game run much better than vanilla
• Many Zombie Mods that aimes at making zombie experience more realistic and dangerous
• New Structures 
• No Dimensions - there is no need to look for resources in other dimensions because all essential ores you can find in overworld
• New animals that makes your world look more wild and alive
• Sound Overhaul
• And many more...

I Strongly advise for you to check settings for everything like video settings and controls, default options may not be suitable for your likings.

All modded HUD elements visible at start of your gameplay can be tweaked to your liking, these mods are:

• CoordinatesDisplay
• FPS-Display
• Inventory Hud+
• Map Atlases

First 3 the mods can be tweaked to your liking within Minecraft mod menu that can be accessed by clicking mod button in pause menu or clicking large button in the right side of the menu.

The last one can be tweaked within minecraft config file: /config/map_atlases-client.toml

Please give feedback in the comments.

Credits:

Good Luck and Have Fun Playing!