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Knapping in Project Zomboid (Build 42)

Crafting5 skill books10 recipes

Knapping is a Crafting skill. Taking it from 0 to 10 costs 32,775 XP before multipliers — 5 skill books multiply what you earn on the way; the Park Ranger occupation starts with 1 level, and it unlocks 10 recipes.

From the Build 42 dedicated server's files (depot manifest of 23 Sept 2026).

XP for each level

Level 10 alone costs 9,000 XP — 27% of the total.

XP needed for each level

LevelXP for this levelTotal XP
17575
2150225
3300525
47501,275
51,5002,775
63,0005,775
74,50010,275
86,00016,275
97,50023,775
109,00032,775

What you actually earn is scaled first. Starting with no levels in Knapping cuts every gain to ×0.25; a starting +1 is ×1, +2 ×1.33 and +3 or more ×1.66. Fast Learner adds ×1.3, Slow Learner ×0.7. How the multipliers work.

Knapping skill books

Reading a volume multiplies the Knapping XP you earn while your level is inside its range: every tenth of the book read adds a tenth of the multiplier. The game lets you open a volume from one level below its range, and not once you are past it (ISReadABook.lua).

  • Knapping I: "Flint Knapping 101"

    Levels
    1–2
    Pages
    220
    XP up to
    ×3
    Where it spawns →
  • Knapping II: "Guide to Kentucky Geology"

    Levels
    3–4
    Pages
    260
    XP up to
    ×5
    Where it spawns →
  • Knapping III: "Lithic Technology Manual 1993"

    Levels
    5–6
    Pages
    300
    XP up to
    ×8
    Where it spawns →
  • Knapping IV: "Schmidt Rock Hardness Testing Techniques"

    Levels
    7–8
    Pages
    340
    XP up to
    ×12
    Where it spawns →
  • Knapping V: "Technological Morphometrics of Clovis Artifacts"

    Levels
    9–10
    Pages
    380
    XP up to
    ×16
    Where it spawns →

Multipliers from the game's skill-book table (lua/server/XpSystem/XPSystem_SkillBook.lua); “where it spawns” opens the map's item finder on the loot tables.

Start with Knapping

Levels a new character gets in Knapping — and, through them, a faster XP rate (see above):

  • Park Rangeroccupation · +1
  • Bushcraftertrait · +1

Knapping from TV and VHS

1 VHS tape give 300 XP. Both stop counting once the skill reaches level 3 in the default sandbox settings, and before the multipliers above. Shows and tapes, by name.

Recipes you learn by levelling Knapping

Reaching the level teaches the recipe — no magazine needed.

  • Lv 2Knap Stone Awl
  • Lv 3Knap Stone Blade
  • Lv 4Knap Stone Chisel
  • Lv 5Knap Stone Blade Scythe
  • Lv 6Knapp Flint Saw
  • Lv 7Knap Large Stone Axe Head
  • Lv 8Knap Stone Drill
  • Lv 8Knap Stone Maul Head
  • Lv 9Knap Long Stone Blade

What Knapping unlocks (9)

Crafting and building recipes that need a Knapping level. “Must be learned” recipes also need a magazine, a TV show or an occupation that teaches them.

LevelRecipeAlso needs
1Knap Stone Blademust be learned—
1Knap Stone Chiselmust be learned—
1Remake Long Stone Blademust be learned—
2Knap Stone Blade Scythemust be learned—
3Knapp Flint Sawmust be learned—
4Knap Large Stone Axe Headmust be learned—
5Knap Stone Drillmust be learned—
5Knap Stone Maul Headmust be learned—
6Knap Long Stone Blademust be learned—

Recipes that train Knapping

11 recipes award Knapping XP when made; the most per craft (base XP):

  • Knap Long Stone Blade · 70 XP
  • Knap Stone Drill · 60 XP
  • Knap Stone Maul Head · 60 XP
  • Knap Large Stone Axe Head · 50 XP
  • Knapp Flint Saw · 40 XP
  • Knap Stone Blade Scythe · 30 XP
  • Knap Stone Blade · 20 XP
  • Knap Stone Chisel · 20 XP
  • Remake Long Stone Blade · 20 XP
  • Knap Sharp Flint Flake · 10 XP
  • Knap Stone Awl · 10 XP

More skills

Pictures: item and trait icons and the health-panel figure are The Indie Stone's game art; item renders and shop signs are from PZwiki (CC BY-NC-SA 3.0).

Project Zomboid is a game by The Indie Stone. PinDrop is fan-made and not affiliated with The Indie Stone.