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FatCat 100 Day Zombie Apocalypse

Forge modpack for Minecraft 1.20.1 by TheFatCat

Get it on Modrinth Full mod list (152)

FatCat 100 Day Zombie Apocalypse runs on Minecraft 1.20.1 with Forge. It has 148 mods, needs about 8 GB of RAM (our estimate) and runs on both client and server. The latest version is 1.20MC-2.3, released Aug 25, 2025.

Minecraft version
1.20.1
Mod loader
Forge
Mods
148
RAM to allocate
8 GB (estimate)
Runs on
Client and server
Latest version
1.20MC-2.3 ()
Downloads
36K (#457)
First released
Pack file size
171.1 MB
License
BSD 3 Clause

What is FatCat 100 Day Zombie Apocalypse?

FatCat 100 Day Zombie Apocalypse is a Forge modpack for Minecraft 1.20.1, published by TheFatCat on Modrinth since 2024.

The latest release, 1.20MC-2.3 from Aug 25, 2025, declares 148 mods plus 4 other projects such as resource packs or shaders. Across 10 published versions it has covered Minecraft 1.19.2 through 1.20.1.

With 36K downloads it ranks #457 of the 518 most-downloaded Modrinth modpacks we track, and its authors tag it as challenging and combat.

Most widely used mods in FatCat 100 Day Zombie Apocalypse

The latest version declares 152 projects, 148 of them mods. The ones below appear in the most packs we track.

  • 104 run on client and server
  • 32 client only
  • 12 server only

Full FatCat 100 Day Zombie Apocalypse mod list

22 more files are bundled inside the pack without a Modrinth project, so we cannot name them.

How its mod list compares

Less common picks: 8 mods found in five or fewer tracked packs.

Packs with the most mods in common

What kinds of mods are in FatCat 100 Day Zombie Apocalypse?

Of its 148 mods, 58 are tagged utility, 32 adventure and 32 library. Mods can carry several tags, so the counts overlap.

At 19% equipment, that is a larger share than 97% of the 491 packs we track.

  • utility: 58 (39%)
  • adventure: 32 (22%)
  • library: 32 (22%)
  • equipment: 28 (19%)
  • game mechanics: 28 (19%)
  • optimization: 18 (12%)

How big is FatCat 100 Day Zombie Apocalypse?

With 148 mods, FatCat 100 Day Zombie Apocalypse has more mods than 84% of the 491 packs we track and more mods than 71% of the 147 on Minecraft 1.20.1.

The pack file is 171.1 MB. 32 mods are client-only and 115 also run on a server. Alongside the mods it declares 1 resource pack and 3 shaders.

How actively is FatCat 100 Day Zombie Apocalypse updated?

FatCat 100 Day Zombie Apocalypse was first published on Oct 1, 2024, and has 10 published versions in total.

The latest release, 1.20MC-2.3, is dated Aug 25, 2025, 443 days before our data was fetched on Nov 11, 2026. Releases have covered 2 Minecraft versions over 328 days.

Staple mods FatCat 100 Day Zombie Apocalypse includes and leaves out

Across the 185 Forge packs we track, 15 mods turn up most often. FatCat 100 Day Zombie Apocalypse includes 15 of them.

How much RAM does FatCat 100 Day Zombie Apocalypse need?

FatCat 100 Day Zombie Apocalypse needs 8 GB allocated (6 GB minimum). Our estimate from the 148-mod list, not measured.

How to set allocated memory

How to install FatCat 100 Day Zombie Apocalypse

Search for "FatCat 100 Day Zombie Apocalypse" in the Modrinth source of your launcher. Pick version 1.20MC-2.3 for Minecraft 1.20.1 (Forge). Modpack install guide.

How do I make a FatCat 100 Day Zombie Apocalypse server?

FatCat 100 Day Zombie Apocalypse is marked as needing a server-side install, so the server must run the same mods and version as the players.

  • Match the version: the latest pack version is 1.20MC-2.3 for Minecraft 1.20.1.
  • Loader: Forge.
  • Memory: at least 6 GB (our estimate).

Modpack server guide.

Versions

Newest build for each of 2 Minecraft version and loader pairs.

MinecraftLoaderPack versionReleased
1.20.1Forge1.20MC-2.3
1.19.2Forge1.19MC-1.9